Latest wireless exchange repair Tenders | Government wireless exchange repair Tenders

CTN :45488624

23 Jun, 2026 NA

Dharmapuri - Tamil Nadu

Tender For purchase of advanced communication systems practical lab equipment for ece department - item name, dth trainer kitspecifications: refer to tender notice, sim reader trainer kitspecifications : refer to tender notice

CTN :45475071

15 Jun, 2026 NA

Chennai - Tamil Nadu

Tender For purchase of non-consumables for ece department - purchase, dual output regulated dc variable power supply input voltage: 230v/50 hz ac. output voltage: (0 30)v dc. output current: (0 2)a dc. protection circuit: over voltage, over current, and short-circuit protection. high efficiency: greater than 85%. low ripple and noise: less than 50 mv. digital display., function 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 vpp. rise time: 100 ns. distortion: 1% within specified frequency range. power supply: 230 v ac 10%, 50 60 hz. output amplifier protection: short-circuit and 15 v overload protection. dc offset: 0 to 10 v adjustable. attenuation: 0 to 60 db., 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)., digital ic trainer kit with breadboard +5 v dc, 1 a regulated power supply. 12 v dc / 15 v dc, 200 ma regulated power supply. solderless breadboard with minimum 840 tie points,power distribution buses. zif (zero insertion force) ic sockets to accommodate 8 or 16 pin ics. logic input and output leds for output monitoring. 16 buffered led outputs. 16 debounced switch inputs. variable clock generator: 0.5 hz to 50 hz. single pulse output: 100 ms (buffered, positive and negative outputs). one seven-segment display with 4 bcd inputs. built-in logic switches. manual clock: debounced push-button (one pulse per press)., lvdt trainer kit ac mains power supply: 230 v 10%, 50 hz. fixed regulated dc power supply: +5 v, 12 v / 500 ma. transducer: lvdt. lvdt displacement: 20 mm (40 mm total). displacement scale: linear 20 mm. displacement display: red color 3 digit led display. excitation frequency: 4 khz. excitation voltage: ac variable excitation voltage up to 5 v., 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.

CTN :45465664

18 Jun, 2026 3.00 Lacs

Thanjavur - Tamil Nadu

Tender For supply of upgradation of laboratory equipment- tansche - upgradation of laboratory equipment, digital ic trainer kit: equipped with 16 high -visibility leds for monitoring experimental outputs and logic status indication. dedicated driver circuitry provided for reliable operation and protection of all 16 leds during experimentation. all 16 driver input lines are terminated through banana connectors for flexible and easy external interfacing. includes 16 spdt toggle switches for generating manual logic input conditions in digital electronics experiments. additional 16 leds provided to display the real-time status of individual switch operations. one terminal of each spdt switch is externally accessible through banana sockets for convenient circuit connections. built -in variable clock generator enables pulse generation for sequential and timing-based digital experiments. frequency adjustment provided through potentiometer and rotary switch combination for precise clock selection. clock output is terminated through banana connectors for quick integration with external circuits and trainer modules. features dual 7 -segment led display with 7447 decoder/driver ic for bcd to display conversion experiments. inputs of the 7447 drivers are terminated at banana connectors for direct digital logic inter-facing. includes solder less breadboard for rapid circuit prototyping and reusable experimental setup development., pam,pwm,ppm trainer kit:pam- ppm- pwm modulation and demodulation techniques, using natural and flat-top sampling. natural sample, sample and hold and flat-top outputs. selectable 2 different sampling pulse frequencies on board. on board sine wave generators. voice communication using dynamic microphone and speaker. -on board filters and amplifier. functional blocks indicated on board mimics. input- output and test points provided on board. built in dc power supply -fully documented operating manual -switch faults .pulse modulation techniques: (1) pulse amplitude modulation (2) pulse width modulation (3) pulse position modulation crystal frequency : 6.14mhz .sampling frequency : 16 khz, 32 khz .sine wave generator : 1 khz & 500 hz, amplitude (0-5) v. tolerance +5% . low pass filter : 4th order bw filter. cut off frequency 3.4 khz. voice communication : voice link using dynamic mic & speaker . ac amplifier : with adjustable gain control interconnections :uninsulated sockets. power:230v,50hz . accessories : manual , set of patch chords, microphone & speaker., electronics work bench:digital storage oscilloscope (dso) - 50mhz - 1no . 3mhz function generator (fg) 1no.dual output variable power supply (rps) (0-30v/2a) - 1no. fixed output power supply ( 12v, 500ma) ( 5v, 500ma) - 1no . digital multimeter 3.5 digit [hand held type] - 2nos 3.5 digit lcr meter [hand held type] - 1no. soldering & desoldering device - 1no., mosfet drain current and transfer characteristics trainer kit:circuit diagram in the front panel.biasing components provided test points are terminated at banana connector.input: 230v ac.housed in a closed cabinet.detailed experimental manual.2mm patch chords provided for inter connecting., frequency response of cs amplifier trainer kit:circuit diagram in the front panel.biasing components provided test points are terminated at banana connector.input: 230v ac.housed in a closed cabinet.detailed experimental manual. 2mm patch chords provided for inter connecting., frequency response of cascode amplifier trainer kit: circuit diagram in the front panel. biasing components provided test points are terminated at banana connector.input: 230v ac. housed in a closed cabinet. detailed experimental manual. 2mm patch chords provided for inter connecting., class a transformer coupled power amplifier trainer kit: circuit diagram in the front panel.biasing components provided test points are terminated at banana connector. input: 230v ac.housed in a closed cabinet.detailed experimental manual.2mm patch chords prov

CTN :45404155

17 Jun, 2026 NA

Theni - Tamil Nadu

Tender For supply of communication trainer kits for electronics and communication engineering

CTN :45401482

11 Jun, 2026 NA

Dharmapuri - Tamil Nadu

Tender For purchase of sim reader trainer kit in electronics and communication department

CTN :45430786

18 Jun, 2026 NA

Ariyalur - Tamil Nadu

Tender For supply of electronics andcommunication engineering lab materials - electronics and communication engineering lab materials, dso (digital storage oscilloscope)bandwidth: 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 ic trainer kit with breadboard5v dc, 1a regulated power supply 12v dc / 15v, 200 ma regulated power supplysolderless breadboard to accommodate 8 16-pin icszif (zero insertion force) ic socketssupports ttl and cmos icslogic io leds for output monitoring8 buffered led outputs8 debounced switch inputsttl clock: 1 mhzvariable clock generator: 0.5 hz to 50 hzsingle pulse output: 100 ms (buffered, positive and negative outputs)one seven-segment display with 4 bcd inputsbuilt-in logic probesbuilt-in logic switchesexperiments on basic logic gates, flip-flops, counters, and multiplexers, eliminator transformer (stepdown)input - 220v - 240v ac, 50 hz, output-2v to 12v dc, 0-2 a ripple: 5mv, decade resistance boxrange: 1 to 10 m , steps: 1-10-100-1k-10k, accuracy 1%, suitable for filter and oscillator experiments, decade inductance boxrange: 1 h to 10 h, rotary switch selection, low loss inductors, accuracy 1%, , suitable for filter and oscillator experiments, 8051 micro controller kitoperating voltage: +5v dc4 kb flash (at89c51) / 8 kb flash (at89s52)ram: 128 bytes internal ram16 2 alphanumeric lcdpush buttons / tactile switchesdip switches for digital inputinbuilt adc interface : ldr,potinbuilt dac interfaceinbuilt stepper motor driver with stepper motorinbuilt dc motor driver with dc motor1x4 led array, 1 x4 keypad, 1x relay1x buzzer, 16x2 lcd display, 1x pwm driver1x hardware interrupt key, inbuilt rtcinbuilt eeprom, inbuilt uart module4x7 segment display, both assembly and c language programmable, pc interfaceable., 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, auto transformerinput - single-phase, 230v/240v, 50 hz, 4a, ac output - 0 to 270vac, class "h" or class f insulation., temperature measurement kitsensors: rtd (pt-100), thermocouple (fe-k/j-type), and/or thermistor (ntc).display: 3 digit led/lcd digital display (typically 200mv fsd).temperature source: portable water kettle or heater block.signal conditioning: on-board circuitry for amplification, linearization, and cold junction compensation. test points: multiple 2mm/4mm banana sockets for monitoring input/output signals.power supply: 230v ac, 50hz, single-phase.accessories: includes a glass thermometer, ntc thermistor probe 10k, k-type thermocouple probe, patch cords, and instruction manual., ask modulation and demodulation kitmessage signal 1 : 8 bit variable data, amplitude 5vmessage signal 2 : debounce data, amplitude low (0) & high (5v)message signal 3 :fixed data 25k, 12.5k, 6.25k, 3.12k, amplitude 5vcarrier signal : sine wave frequency 200 khz, amplitude 5vmodulator type : switching icdemodulator : envelope detector & lpfcomparator : lm 311 basedsupply voltage (board) : +12v, +5v / dcsupply current : 100 ma (minimum)input voltage : 230 v/ 50 hz acinterface connectors : 2mm banana socket, dth trainer kitpower supply 200v to 240v ac, 50hz,dish antenna 1.5 aluminum steerable, lnb low noise block down converterinput frequency ku band.output frequency 950 to 1450 mhz.conversion gain 65 db.noise temp 35 degree k max.set top box receiver in traine

CTN :45404137

16 Jun, 2026 NA

Chennai - Tamil Nadu

Tender For supply of lab equipment for department of electronics and communication engineering - dual output regulated dc variable power supply, function (signal) generator, digital storage oscilloscope, digital ic trainer kit with breadboard, dc voltmeter, dc ammeter, decade resistance box, decade capacitance box, decade inductance box, 8051 microcontroller kit, ask modulator and demodulator trainer kit, dth trainer kit, fiber optic communication demonstration trainer kit, sim reader trainer kit, fpga trainer kit

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 :45384472

11 Jun, 2026 NA

Dharmapuri - Tamil Nadu

Tender For purchase of equipments for dmt department lab - purchase of equipments for dmt department lab, fanuc cnc simulation trainer kit system type: standalone cnc simulation trainer with integrated hardware panel functionality: switchable milling (3-axis) and turning (2-axis) simulation cnc control: original fanuc control system or officially licensed equivalent software: manual guide i (licensed version) for conversational programming and 3d simulation programming: supports g code (iso standard) and conversational programming storage: minimum 512 kb program storage with at least 400 programs tool offsets: minimum 32 pairs coordinate system: g52 g59 with minimum 48 additional work offsets (milling) display: minimum 10 color lcd input: full qwerty keyboard connectivity: usb, ethernet interfaces: rs232 / i/o link power supply: 100 240 v ac, 50 60 hz power consumption: 100 w construction: industrial grade trainer unit , robotic arm controllerdegrees of freedom: 6 dof payload: minimum 250 g at full reach reach: minimum 350 mm repeatability: 0.2 mm or better controller: industrial-grade controller (arm cortex-m4 or higher / equivalent architecture) programming: supports gui based and programming (python / c++ / equivalent) vision system: integrated camera with ai-based object detection capability communication: usb and serial communication software: licensed software compatible with windows os end effectors: minimum 3 (gripper, suction cup, pen holder) safety: emergency stop, limit protection power supply: 100 240 v ac, 50 60 hz, optical digital microscopemagnification: 40x to 400x digital camera: minimum 5 mp resolution display: pc/monitor via usb/hdmi or built-in display illumination: adjustable led illumination focus: coarse and fine focusing mechanism optics: coated lenses with wide field view stage: mechanical stage with slide holder software: image capture, measurement, and analysis software included connectivity: usb / hdmi /ethernet power supply: 110 240 v ac, 50 hz, portable surface roughness tester parameters: ra, rz, rq, rt measuring range: ra: 0.005 16 m rz: 0.02 200 m resolution: 0.01 m accuracy: 5% or better stylus: diamond tip ( 5 m radius) cut-off lengths: 0.25 mm, 0.8 mm, 2.5 mm display: digital lcd output: usb interface for pc connection standards: iso 4287 / din / ansi compliant power: rechargeable battery

CTN :45386606

15 Jun, 2026 NA

Tuticorin - Tamil Nadu

Tender For supply of lab equipment for electronics and communication engineering department - consumables, function generator (item code: c003), dso (digital storage oscilloscope) (item code: c004), dc voltmeter (digital) (item code: c006), dc ammeter (item code: c007), single phase induction motor (item code: c015), auto transformer (item code: c016), strain gauge trainer kit (item code: c018), dth trainer kit (item code: c021), sim reader trainer kit (item code: c023)

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