Latest intercom wiring Tenders | Government intercom wiring Tenders

Central Government/Public Sector

CTN :45702798

02 Jul, 2026 NA

Multi City - Tamil Nadu

Tender For auction sale of depot miscellaneous scrap - 98414501: cond. & u/s. electrical scrap consiting of inverter ,transformer for pre cooling, battery charger sorts and size, stabilizer, current regulators,ac/dc welding rectifier/plant,chokes, meters, capacitors, led lights/tube, vacuum cleaner, knob, torch lights of sorts and sizes, coach guidence parts, switches of various types, electrical parts, ballast, street lights, nugger, chokes, chargers, regulator, pre cooling switch,roof mounted electric loco ac cab,frequency controller, starter, fuse, terminals,timer relay, kwh meters, circuit board, amplifier, panel board, led light,socket,tube light holder, multi colour lamp, digital tempreature meter, chargeable lamp, soldering iron, tester, volt meter, various type of meters, insulation tester, megger,solar board and water heater,solar sets, analog starter,tlb instrument,different type of dlb instrument,boost charger, sms alert,holder, electric detector, ethernet card, relay panel, ups, smps atx, lan extender,port switch, media converters, optical fiber cable equipment, ethernet switch,ara terminal/fuse, recttifier,dc dc converter, earth electrod,vhm charger,head lamp, relay timer ,led lamp,led shunt routesolar panel,spd,spt, trasmitter,receiver,alarm system,smr ei, cab ac,pressure gauge, multimeter, heating elements, speaker, amplifier, lamp shades, speedometer,vcd,different type of relay,base assembly,pcb card,program switch,bl box,different type of ammeter,pedal switch,ups various,fl choke,single phase meter,mcb various amps,electronic timer switch,single phasing preventer, ballast off size,capacitors of various sizes,fan regulater, and such other similar electrical scrap as is where is condition. note: 1).if any non ferrous items found in loose conditon should be returned to the custodian,(2) pick and choose not permitted. (3) crane/jcb loading permitted.location: tree no.04 ,middle of scrap yard /ssd/ptj.

CTN :45696133

13 Jul, 2026 NA

Palacode - Tamil Nadu

Tender For supply of equipment for electronics and communication engineering department - supply of equipment for electronics and cmmunication engineering department, 8051 micro controller kit :specification : operating voltage: +5 v dc. flash memory: 4 kb (at89c51) / 8 kb (at89s52). ram: 128 bytes internal ram. 16 2 alphanumeric lcd display. push buttons / tactile switches. dip switches for digital input. inbuilt adc interface: ldr, potentiometer. inbuilt dac interface. inbuilt stepper motor driver with stepper motor. inbuilt dc motor driver with dc motor. 1 4 led array, 1 4 keypad, 1 relay. 1 buzzer, 16 2 lcd display, 1 pwm driver. 1 hardware interrupt key, inbuilt rtc. inbuilt eeprom and uart module. 4 7-segment display. supports both assembly and c language programming. pc interfaceable., temperaturemeasurementkitspecification : sensors:rtd (pt-100), thermocouple (fe-k/j-type), and/orthermistor (ntc). display: 3 digit led/lcd digital display(typically 200 mv fsd). temperature source: portable water kettle orheater block. signal conditioning: on-board circuitry foramplification, linearization, and cold junctioncompensation. test points: multiple 2 mm / 4 mm banana socketsfor monitoring input/output signals. power supply: 230 v ac, 50 hz, single-phase. accessories: glass thermometer, 10 k ntcthermistor probe, k-type thermocouple probe,patch cords and user manual., ask modulationanddemodulation kit:specification : message signal1:8-bit variable data,amplitude 5v. message signal 2:debounced data, amplitude low (0) and high (5 v). message signal 3:fixed data 25 khz, 12.5 khz, 6.25 khz, 3.12 khz,amplitude 5 v. carrier signal: sine wave, frequency 200 khz,amplitude 5 v. modulator type: switching modulator using analogswitch / transistor switching ic. demodulator: envelope detector and lpf. comparator: lm311 based. supply voltage (board): +12 v, +5 v dc. supply current: 100 ma minimum. input voltage: 230 v ac, 50 hz. interface connectors: 2 mm banana socket., dth trainer kit:specification :power supply: 200 v to 240 v ac, 50 hz.dish antenna: 1.5 ft aluminium steerable dish antenna.lnb (low noise block down converter): input frequency: ku-band. output frequency: 950 mhz to 1450 mhz. conversion gain: 65 db. noise temperature: 35 k (max).set-top box receiver in trainer form: if frequency: 70 mhz. video bandwidth: 50 hz to 5 mhz. video output level: 1 vpp at 75 load. video polarity: normal/inverted, switch selectable. audio subcarrier frequency:tunable from 5.0 mhz to 8.0 mhz. remote control provided. hdmi cable: 10 m.controls: channel selection. volume control.fault simulation: five built-in simulated faults for troubleshootingexperiments. if signal disconnected. video output fault. audio mute fault. tuner misalignment. rf output interruption.pcb size: 15" 12" with multicolour section-wise blockdiagram.standard accessories: 1.5 ft dish antenna. lnb. trainer pcb. dish connecting wire. audio-video cable. user manual. acrylic cover. hardware materials for assembly of dish antenna.additional features: dth subscription connection withdoordarshanfree channels. free-to-air channel demonstration., fpga trainer kit:specification : must use industry-standard mid-range fpgadevice usb-jtag programmable, compatible withvivado ise (webpack). power supply: 5 v dc through usb or externaladapter. on-board peripherals: leds, switches, pushbuttons, 7-segment display,clock source, gpio /pmod expansion ports, uart, vga / hdmi, usbuartbridge, usb cable. user manual.

CTN :45572416

22 Jun, 2026 NA

Tiruvettipuram - Tamil Nadu

Tender For procurement of lab equipment for electronics and communication engineering department. - procurement of lab equipments for electronics and communication engineering department., function (signal) generator frequency range: 0.1 hz to 5 mhz. display: 4 to 6 digit led display output waveforms: sine, triangle, square, pulse, ramp. amplitude: 0 20 vp-p. rise time: 100 ns. distortion: 1% (within acceptable range of frequencies). power supply: ac 220 v 10%, 50-60 hz output amplifier protection: protected against short circuit and 15v overload, digital storage oscilloscope bandwidth: 50 - 100 mhz. sampling rate: 1gs/s. channels: 2 (minimum) power supply: 100v 240v ac, 50-60 hz automatic measurement: vpp, vavg,rms, frequency, period, vmax, vmin, rise time, fall time, + width, - width, +duty, - duty etc., horizontal scale: 5 ns/div 100 ns/div or equivalent vertical resolution: 8 bits (2 channels simultaneously) vertical sensitivity: 1 mv/div 10 v/div (at input) waveform math: +, -, x , , invert, fft etc., waveform storage: 16 waveforms or equivalent communication interface: usb host, usb interface. 7-inch color display or equivalent basic trigger functions, embedded trainer kit (using lpc2148)cpu - lpc2148, core - 16/32 bit arm7dmi-s speed - max 60 mhz, flash - 512kb, ram (on-chip) - 40kb, 46 general purpose i/o. pins, usb2.0 one 10bit a/d converter with 14 analog inputs, one 10bit d/a converter, six pwm & watchdog two uarts (16c550), two i2c (400kb/s), two spi s eight bit digital output, eight bit digital input, 16 x 2 characters lcd and 4x4 matrix, keypad one potentiometer for giving analog input, relay & buzzer interface i2c devices: rtc, eeprom and seven segment display, on board stepper motor, driver lm35 temperature sensor, one rs 232 lines are terminated at 9 pin d type connector, and usb interface board has inbuilt power supply and mounted in sturdy cabinet accessories usb cable with utility software to download programs from pc to target board example programs in embedded c and assembly with documentation (soft copy) power chord, user manual with cd/dvd, free demonstration after delivery

CTN :45541202

23 Jun, 2026 NA

Chennai - Tamil Nadu

Tender For purchase of tanche - lab equipments for eee and ece department - purchase - lab equipments for eee department electronics lab, single phase to single phase cyclo converter kit single-phase bridge cycloconverter power devices: scr/triac based input supply: 230 v ac, 50 hz step-down isolation transformer 230 v / 12 v output: 12 15 v ac, frequency: 0 25 hz (adjustable),firing angle control circuit and frequency control circuit to be provided built-in resistive load, terminals to be brought on ms panel with necessary symbols and circuits, pwm based step down dc chopper using mosfet/igbt kitpwm based step-down dc chopper (buck converter) power device : power mosfet / igbt based switching circuit input supply : 24 v dc to 110 v dc or derived from 230 v ac mains through rectifier unit output voltage :(0 to vin) variable dc output current : up to 5 a dc maximum with suitable load resistor (r load) pwm duty cycle control provided pwm generation and control circuit inbuilt gate driver circuit provided, single phase single pulse / sinusoidal pwm inverter using mosfet/igbt kittype : single phase pwm inverter trainer power device : mosfet / igbt based inverter circuit input supply : 12 24 v dc output voltage : 30 v rms ac output phase : single phase output frequency : 0 50 hz variable output power : 100 w single pulse pwm operation sinusoidal pwm (spwm) operation variable frequency control pwm generation and firing control circuit inbuilt gate driver circuit provided test points provided for waveform observation and analysis built-in resistive load provision, on / off control of lamp using solid state relay kittype : solid state relay (ssr) trainer kit control/input voltage : 12 v / 24 v dc or up to 30 v dc output load voltage : 230 v ac, single phase load control : on/off control of ac lamp load solid state relay based switching circuit opto-isolated input control built-in ac lamp load manual on/off switching arrangement led indication for input and output status, speed control of ac motor using vfd drive module with ac motortype : variable frequency drive (vfd) module input supply : 415 v ac, three phase, 50 hz output : three phase variable voltage and variable frequency ac output 1 hpthree phase squirrel cage induction motor415 v ac 50 hz &1440 rpm control technique : pwm / spwm based control frequency range : 0 50 hz variable digital display for frequency and operating parameters start / stop and forward / reverse control, acceleration and deceleration control facility powder coated ms control panel tabletop / floor mounted laboratory type setup clearly labelled circuit diagram and control switches proper insulated terminals and earthing arrangement, purchase - lab equipments for eee department electrical machines lab, three phase transformertype: three phase transformer, rating: 3 kva input voltage: 415 v ac, 3-phase, output voltage: 230 v ac, 3-phase frequency: 50 hz winding material: copper wound insulation class: class b or higher duty: continuous duty suitable for laboratory usebench/floor, dc stepper motor drive kit with stepper motorinput supply : 230 v ac, 50 hz stepper motor : permanent magnet / hybrid type with suitable driver circuits. motor operating voltage : 12 24 v dc variable speed control forward and reverse direction control full step and half step operation manual / automatic pulse generation facility built-in regulated dc power supply led indication for phase sequence and status test points provided for waveform observation start / stop control switches to be provided overload and short circuit protection to be provided mounted on compact powder coated cabinet with printed circuit diagram proper insulated terminals and interconnecting leads to be provided patch chords for interconnection., dc servo motor drive kit with servo motorinput supply : 230 v ac, 50 hz servo motor type : dc servo motor with feedback arrangement motor operating voltage : 12 24 v dc controller type : microcontroller based servo drive contr

CTN :45475065

18 Jun, 2026 NA

Krishnagiri - Tamil Nadu

Tender For procurement and installation of ece lab equipments - procurement and installation of ece lab equipments, single output variable dc rpsu single output regulated power supply- input voltage: 230v/50hzac- output voltage: (0 30v)dc- output current: (0 2a)dc- protection circuit: over voltage and over current protection, short-circuit protection- high efficiency: greater than 85%- low ripple and noise: less than 50 mv, dual output variable dc rpsudual output regulated power supply- input voltage: 230v/50hzac- output voltage: (0 30v)dc- output current: (0 2a)dc- protection circuit: over voltage and over current protection, short-circuit protection- high efficiency: greater than 85%- low ripple and noise: less than 50 mv, function generatorfrequency range: 0.1 hz to 2 mhz.display: 4 to 6 digit led displayoutput waveforms: sine, triangle, square, pulse, ramp.amplitude: 0 20 vp-p.rise time: 100 ns.distortion: 1% (within acceptable range of frequencies).power supply: ac 220 v 10%, 50-60 hzoutput amplifier protection: protected against short circuit and 15v overload, digital storage oscilloscopebandwidth: 50 - 100 mhz.sampling rate: 1gs/s.channels: 2 (minimum)power supply: 100v 240v ac, 50-60 hzautomatic measurement: vpp, vavg,rms, frequency, period, vmax, vmin, rise time, fall time, + width, - width, +duty, - duty etc.,horizontal scale: 5 ns/div 100 ns/div or equivalentvertical resolution: 8 bits (2 channels simultaneously)vertical sensitivity: 1 mv/div 10 v/div (at input)waveform math: +, -, x , , invert, fft etc.,waveform storage: 16 waveforms or equivalentcommunication interface: usb host, usb interface.7-inch color display or equivalentbasic trigger functions, digital vo;tmeterdc voltmeter digital 3 digit display (0-100 v), 0.5 % accuracy (class 0.5 equivalent) (2000), digital ammeterdc ammeter digital 3 digit display (0-2 a), 0.5 % accuracy (class 0.5 equivalent) (1500), eliminator transformer (stepdown)input - 220v - 240v ac, 50 hz, output-2v to 12v dc, 0-2 a ripple: 5mv, embedded lpc 2148 kit cpu - lpc2148, core - 16/32 bit arm7dmi-s speed - max 60 mhz, flash - 512kb, ram (on-chip) - 40kb, 46 general purpose i/opins, usb2.0 one 10bit a/d converter with 14 analog inputs, one 10bit d/a converter, six pwm &watchdog two uarts (16c550), two i2c (400kb/s), two spi s eight bit digital output, eight bit digital input, 16 x 2 characters lcd and 4x4 matrixkeypad one potentiometer for giving analog input, relay & buzzer interface i2c devices: rtc, eeprom and seven segment display, on board stepper motordriver lm35 temperature sensor, one rs 232 lines are terminated at 9 pin d type connectorand usb interface board has inbuilt power supply and mounted in sturdy cabinet accessories usb cable with utility software to download programs from pc to target board example programs in embedded c and assembly with documentation (soft copy) power chord, user manual with cd/dvd, free demonstration after delivery, single phase induction motorsingle phase induction motor, 230v ac, 50hz supply.power rating 1 hp (0.75 kw).speed 1440 rpm.capacitor start/run type suitable for lab useloading setup portable ammeter and digital tactometer contact type, single phase autotransformerinput - single-phase, 230v/240v, 50 hz, 4a, ac output - 0 to 270vac, class "h" or class f insulation., lvdt trainer kitac mains power supply : 230v 10%, 50hzfixed regulated dc power supply : +5v, 12v /500matransducer : lvdtlvdt displacement : 20mm (40mm total)displacement scale : linear 20mmdisplacement display (mm) : red color 3 digit led displayexcitation frequency : 4khzexcitation voltage : ac variable 5v, strain guage trainer kitmetal foil strain gauge mounted on beam/cantileverstrain measurement under applied loadwheatstone bridge arrangementsignal conditioning and amplification circuitinstrumentation amplifiers, 3 digit display of strain / output voltagezero and gain adjustment controlsprovision for applying calibrated loadsregulated power supply, 230 v ac, 50 hztable-top tr

CTN :45427779

18 Jun, 2026 2.46 Lacs

Thanjavur - Tamil Nadu

Tender For supply of eee lab items - furniture, 5hp/3.75kw/415v1500rpm three phase(3 )synchronous motor with starting / loading arrangement and with work bench voltage:415v ac/220v dc for field excitation make: benn rating: 5hp/ 3.75kw speed:1500rpm no of poles : 4 synchronous starter dc excitation field current :0.8a digital voltmeter ac(0-500v) moving iron type:01qty digital ammeter ac(0-20a) moving iron type :01qty digital ammeter dc(0-2a) moving coil type :01qty digital power factor meter 600v/10a :01qty 3pole mcb/dc mcb with 20a fuse carrier and supply indicators (three pin plug socket should also be provided) :03qty digital rpm indicator with proximity sensor: 01qty banana connectors for motor/starter/supply outputs :01qty control panel (hylem sheet(5*1.5feet) with ms panel) :01 work bench spec: size: 4feet*3feet*2 1/2 feet height leg teak wood with top 3/4" inch plywood 18mm plywood withone mica sheet for finishing front side cupboard with door open and closed type back side wiring box with door open and closed type, performance of ultrasonic and moisture sensors(5v dc/15ma(40khz/digital output) arduino uno: microcontroller-atmega328p on-board digital sensor components two push button switches and dour leds buck converter and relay for 5v and potentiometer-one each 2x16 liquid crystal oscillator(lcd) and mini bread-one each onboard digital sensor modules: ultrasonic sensor module(3cm-100cm) and soil moisture sensor -one each all sensor modules should be mounted on legend size pcb, speed control of ac motor using variable frequency drive(vfd) (0.5hp/415ac/5a(3 )) variable frequency driver (vfd) unit: input voltage:single phase, 230v ac +-10%, 50hz output voltage : three phase output frequency range: 0 to 60hz suitable for 0.75kw motor output current 4.2a vf pattern of spwm control 2pole mcb for on/off control of mains ac voltmeter, ammeter and speed indicator should be provided external stop/start and frequency control should be provided output terminals should be provided and must be brought out in front panel experimental board should be housed in a cabinet with suitable cover three phase induction motor motor type:squirrel cage |rating:0.5hp voltage rating :415v ac speed :1440rpm+-5% insulation : class b/f

CTN :45404144

09 Jun, 2026 NA

Palacode - Tamil Nadu

Tender For supply of equipment for electronics and communication engineering department - supply of equipment for electronics and cmmunication engineering department, 8051 micro controller kit :specification : operating voltage: +5 v dc. flash memory: 4 kb (at89c51) / 8 kb (at89s52). ram: 128 bytes internal ram. 16 2 alphanumeric lcd display. push buttons / tactile switches. dip switches for digital input. inbuilt adc interface: ldr, potentiometer. inbuilt dac interface. inbuilt stepper motor driver with stepper motor. inbuilt dc motor driver with dc motor. 1 4 led array, 1 4 keypad, 1 relay. 1 buzzer, 16 2 lcd display, 1 pwm driver. 1 hardware interrupt key, inbuilt rtc. inbuilt eeprom and uart module. 4 7-segment display. supports both assembly and c language programming. pc interfaceable., temperaturemeasurementkitspecification : sensors:rtd (pt-100), thermocouple (fe-k/j-type), and/orthermistor (ntc). display: 3 digit led/lcd digital display(typically 200 mv fsd). temperature source: portable water kettle orheater block. signal conditioning: on-board circuitry foramplification, linearization, and cold junctioncompensation. test points: multiple 2 mm / 4 mm banana socketsfor monitoring input/output signals. power supply: 230 v ac, 50 hz, single-phase. accessories: glass thermometer, 10 k ntcthermistor probe, k-type thermocouple probe,patch cords and user manual., ask modulationanddemodulation kit:specification : message signal1:8-bit variable data,amplitude 5v. message signal 2:debounced data, amplitude low (0) and high (5 v). message signal 3:fixed data 25 khz, 12.5 khz, 6.25 khz, 3.12 khz,amplitude 5 v. carrier signal: sine wave, frequency 200 khz,amplitude 5 v. modulator type: switching modulator using analogswitch / transistor switching ic. demodulator: envelope detector and lpf. comparator: lm311 based. supply voltage (board): +12 v, +5 v dc. supply current: 100 ma minimum. input voltage: 230 v ac, 50 hz. interface connectors: 2 mm banana socket., dth trainer kit:specification :power supply: 200 v to 240 v ac, 50 hz.dish antenna: 1.5 ft aluminium steerable dish antenna.lnb (low noise block down converter): input frequency: ku-band. output frequency: 950 mhz to 1450 mhz. conversion gain: 65 db. noise temperature: 35 k (max).set-top box receiver in trainer form: if frequency: 70 mhz. video bandwidth: 50 hz to 5 mhz. video output level: 1 vpp at 75 load. video polarity: normal/inverted, switch selectable. audio subcarrier frequency:tunable from 5.0 mhz to 8.0 mhz. remote control provided. hdmi cable: 10 m.controls: channel selection. volume control.fault simulation: five built-in simulated faults for troubleshootingexperiments. if signal disconnected. video output fault. audio mute fault. tuner misalignment. rf output interruption.pcb size: 15" 12" with multicolour section-wise blockdiagram.standard accessories: 1.5 ft dish antenna. lnb. trainer pcb. dish connecting wire. audio-video cable. user manual. acrylic cover. hardware materials for assembly of dish antenna.additional features: dth subscription connection withdoordarshanfree channels. free-to-air channel demonstration., fpga trainer kit:specification : must use industry-standard mid-range fpgadevice usb-jtag programmable, compatible withvivado ise (webpack). power supply: 5 v dc through usb or externaladapter. on-board peripherals: leds, switches, pushbuttons, 7-segment display,clock source, gpio /pmod expansion ports, uart, vga / hdmi, usbuartbridge, usb cable. user manual.

CTN :45365495

12 Jun, 2026 NA

Sivaganga - Tamil Nadu

Tender For purchase of equipments ( s.no 1 to s.no 5 ) for ece department - purchase of equipments, dso (digital storage oscilloscope) bandwidth: 50 100 mhz. sampling rate: 1 gs/s. channels: 2 (minimum). power supply: 100 240 v ac, 50 60 hz. automatic measurements: vpp, vavg, vrms, frequency, period, vmax, vmin, rise time, fall time, +width, width, +duty, duty, etc. horizontal scale: 5 ns/div 50 s/div or equivalent. vertical resolution: 8 bits (2 channelssimultaneously). vertical sensitivity: 1 mv/div 10 v/div (at input). waveform math: +, , , , invert, fft, etc. waveform storage: 16 waveforms or equivalent. communication interface: usb host and usb interface. display: 7-inch color display or equivalent. input impedance: 1 m 2% || 20 pf. accessories: 2 passive probes (1x/10x), 8051 micro controller kit operating voltage: +5 v dc. flash memory: 4 kb (at89c51) / 8 kb (at89s52). ram: 128 bytes internal ram. 16 2 alphanumeric lcd display. push buttons / tactile switches. dip switches for digital input. inbuilt adc interface: ldr, potentiometer. inbuilt dac interface. inbuilt stepper motor driver with stepper motor. inbuilt dc motor driver with dc motor. 1 4 led array, 1 4 keypad, 1 relay. 1 buzzer, 16 2 lcd display, 1 pwm driver. 1 hardware interrupt key, inbuilt rtc. inbuilt eeprom and uart module. 4 7-segment display. supports both assembly and c language programming. pc interfaceable., embedded trainer kit (using lpc 2148) cpu - lpc2148, core - 16/32 bit arm7tdmi-s speed - max 60 mhz, flash - 512kb, ram (on-chip) 40kb, 46 general purpose i/opins, usb2.0 one 10bit a/d converter with 14 analog inputs, one 10bit d/a converter, six pwm & watchdog two uarts (16c550), two i2c (400kb/s), two spi eight bit digital output, eight bit digital input,16x2 characters lcd and 4x4 matrixkeypad one potentiometer for giving analog input, relay& buzzer interface i2c devices: rtc, eeprom and seven segment display, on board stepper motordriver lm35 temperature sensor, one rs 232 lines are terminated at 9 pin d type connector and usb interface board has inbuilt power supply and mounted in sturdy cabinet accessories usb cable with utility software to download programs from pc to target board power cord, user manual, strain guage trainer kit ac mains power supply: 230 v 10%, 50 hz metal foil strain gauge mounted on beam/cantilever. strain measurement under applied load. wheatstone bridge arrangement. signal conditioning and amplification circuit. instrumentation amplifiers with 3 digit display for strain / output voltage. zero and gain adjustment controls. provision for applying calibrated loads. table-top trainer with labelled panel. test points for signal measurement. built-in dc power supplies and wooden closed cabinet. supplied with patch cords and user manual., sim reader trainer kitpower supply: operates on 230 v ac 10%, 50 hz mains supply. built-in regulated smps power supply. operating dc supply: 5 v / 12 v with overload and short-circuit protection. sim card interface: supports gsm sim cards compatible with 2g /3g / 4g / 5g networks. sim card read/write interface. supports sim card initialization, authentication,and communication functions. compatible with standard 6-pin / 8-pin sim cardsockets.communication interface: usb 2.0 interface for pc communication. rs-232 serial communication interface. uart communication facility for embeddedsystem interfacing. sim operating parameters: selectable sim clock frequencies: 3.579 mhz 7.159 mhz 14.318 mhz sim supply voltage selection facility. sim reset and activation control.supported protocols and standards: gsm etsi 07.07 and etsi 07.05 at commandsupport. iso/iec 7816 smart card communication support. sim communication command monitoring facility.hardware features: on-board sim card socket. led indication for: power status sim detection reset activity data transmission/reception built-in keypad for standalone operation. lcd display module (128 64) for menu andstatus display. on-board microcontroller-bas

CTN :45379134

10 Jun, 2026 NA

Arakandanallur - Tamil Nadu

Tender For for electrical and communication engineering department lab equipments are required as per new syllabus - upgradation of labarotariesece department, 8051 micro controller kit operating voltage: +5 v dc. flash memory: 4 kb (at89c51) / 8 kb (at89s52). ram: 128 bytes internal ram. 16 2 alphanumeric lcd display. push buttons / tactile switches. dip switches for digital input. inbuilt adc interface: ldr, potentiometer. inbuilt dac interface. inbuilt stepper motor driver with stepper motor. inbuilt dc motor driver with dc motor. 1 4 led array, 1 4 keypad, 1 relay. 1 buzzer, 16 2 lcd display, 1 pwm driver. 1 hardware interrupt key, inbuilt rtc. inbuilt eeprom and uart module. 4 7-segment display. supports both assembly and c language programming. pc interfaceable., single phase induction motor1 hp, 230 v ac, 1500 rpm with loading arrangement 1 no.voltmeter: (0 300) v ac, 96 96 mm with input terminals 1 no.ammeter: (0 10) a ac, 96 96 mm with input terminals 1 no.wattmeter: 2 kw, 96 96 mm with input terminals 1 no.power factor meter: 96 96 mm with input terminals 1 no.auto transformer: 0 300 v, 1 variac 1 no.mcb: 2-pole, 40 a / 230 v ac 1 no.digital rpm indicator with proximity sensor 1 no.aluminium brake drum: 230 mm diameter 1 no.spring balance: (0 25) kg 02 nos.circuit diagram printed on front panel with instruments and connecting terminals.motor and loading arrangement mounted on rigidchannel frame with anti-vibration mounting pads, m12 1.5 bolt & nut, 85 mm dia 4 nos.mild steel powder-coated electrical panel tablesetup., auto transformerinput: 230 240 v ac, 50 hz.output: variable (0 270) v ac.rating: 1 kva.insulation class: class f / class h.construction: copper winding with carbon brush arrangement.mounting: bench-top / panel type.protection: suitable fuse / overload protection., dth trainer kitpower supply: 200 v to 240 v ac, 50 hz. dish antenna: 1.5 ft aluminium steerable dish antenna.lnb (low noise block down converter): input frequency: ku-band. output frequency: 950 mhz to 1450 mhz. conversion gain: 65 db. noise temperature: 35 k (max).set-top box receiver in trainer form: if frequency: 70 mhz. video bandwidth: 50 hz to 5 mhz. video output level: 1 vpp at 75 load. video polarity: normal/inverted, switch selectable. audio subcarrier frequency:tunable from 5.0 mhz to 8.0 mhz. remote control provided. hdmi cable: 10 m. controls: channel selection. volume control. fault simulation: five built-in simulated faults for troubleshooting experiments. if signal disconnected. video output fault. audio mute fault. tuner misalignment. rf output interruption. pcb size: 15" 12" with multicolour section-wise block diagram.standard accessories: 1.5 ft dish antenna. lnb. trainer pcb. dish connecting wire. audio-video cable. user manual. acrylic cover. hardware materials for assembly of dish antenna. additional features: dth subscription connection with doordarshanfree channels., sim reader trainer kitpower supply: operates on 230 v ac 10%, 50 hz mains supply. built-in regulated smps power supply. operating dc supply: 5 v / 12 v with overload and short-circuit protection.sim card interface: supports gsm sim cards compatible with 2g / 3g / 4g / 5g networks. sim card read/write interface. supports sim card initialization, authentication, and communication functions. compatible with standard 6-pin / 8-pin sim card sockets.communication interface: usb 2.0 interface for pc communication. rs-232 serial communication interface. uart communication facility for embedded system interfacing.sim operating parameters: selectable sim clock frequencies: 3.579 mhz 7.159 mhz 14.318 mhz sim supply voltage selection facility. sim reset and activation control. supported protocols and standards: gsm etsi 07.07 and etsi 07.05 at command support. iso/iec 7816 smart card communication support. sim communication command monitoring facility. hardware features: on-board sim card socket. led indication for: power status sim detection reset activity data transmission/r

CTN :45343672

11 Jun, 2026 NA

Madurai - Tamil Nadu

Tender For purchase of electronics and communication engineering practices (equipment) - equipments for electronics and communication engineering practices:, 8051 micro controller kit operating voltage: +5 v dc. flash memory: 4 kb (at89c51) / 8 kb (at89s52). ram: 128 bytes internal ram. 16 2 alphanumeric lcd display. push buttons / tactile switches. dip switches for digital input. inbuilt adc interface: ldr, potentiometer. inbuilt dac interface. inbuilt stepper motor driver with stepper motor. inbuilt dc motor driver with dc motor. 1 4 led array, 1 4 keypad, 1 relay. 1 buzzer, 16 2 lcd display, 1 pwm driver. 1 hardware interrupt key, inbuilt rtc. inbuilt eeprom and uart module. 4 7-segment display. supports both assembly and c language programming. pc interfaceable., embedded trainer kit (using lpc2148) cpu -lpc2148, core -16/32 bit arm7tdmi-s speed -max 60 mhz, flash -512kb, ram (on-chip) 40kb, 46 general purpose i/opins, usb2.0 one 10bit a/d converterwith 14 analog inputs, one 10bit d/a converter, six pwm &watchdog two uarts (16c550), two i2c (400kb/s), two spi eight bit digital output, eight bit digital input,16x2 characters lcd and 4x4 matrixkeypad one potentiometer for giving analog input, relay & buzzer interface i2c devices: rtc, eeprom and seven segment display, on board stepper motordriver lm35 temperature sensor, one rs 232 lines are terminated at 9 pin d type connector and usb interface board has inbuilt power supply and mounted in sturdy cabinet accessories usb cable with utility software to download programs from pc to target board power cord, user manual, ask modulation and demodulation kit message signal1:8-bit variable data,amplitude 5v. message signal 2:debounced data, amplitude low (0) and high (5 v). message signal 3:fixed data 25 khz, 12.5 khz, 6.25 khz, 3.12 khz, amplitude 5 v. carrier signal: sine wave, frequency 200 khz, amplitude 5 v. modulator type: switching modulator using analog switch / transistor switching ic. demodulator: envelope detector and lpf. comparator: lm311 based. supply voltage (board): +12 v, +5 v dc. supply current: 100 ma minimum. input voltage: 230 v ac, 50 hz. interface connectors: 2 mm banana socket., dth trainer kitpower supply: 200 v to 240 v ac, 50 hz.dish antenna: 1.5 ft aluminium steerable dish antenna.lnb (low noise block down converter):input frequency: ku-band. output frequency: 950 mhz to 1450 mhz. conversion gain: 65 db. noise temperature: 35 k (max).set-top box receiver in trainer form: if frequency: 70 mhz. video bandwidth: 50 hz to 5 mhz. video output level: 1 vpp at 75 load. video polarity: normal/inverted, switch selectable. audio subcarrier frequency: tunable from 5.0 mhz to 8.0 mhz. remote control provided. hdmi cable: 10 m.controls: channel selection. volume control.fault simulation: five built-in simulated faults for troubleshooting experiments. if signal disconnected. video output fault. audio mute fault. tuner misalignment. rf output interruption.pcb size: 15" 12" with multicolour section-wise block diagram.standard accessories: 1.5 ft dish antenna. lnb. trainer pcb. dish connecting wire. audio-video cable. user manual. acrylic cover. hardware materials for assembly of dish antenna.additional features: dth subscription connection with doordarshanfree channels. free-to-air channel demonstration.

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