Latest modulator Tenders | Government modulator Tenders

Central Government/Public Sector

CTN :44596273

02 Jul, 2026 1.99 Lacs

Nicobar Island - Andaman And Nicobar Islands

Tender For bid to ras providing of repair, maintenance, and installation of plant/ systems/equipments (version 2) - dhq10/c-424 l-036; l036 following defects observed during operation of vhf sets vhf control unit one transmission and reception is not establishing during communication ..

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.

corporations/Associations/Others

CTN :45689334

17 Jul, 2026 NA

Etah - Uttar Pradesh

Tender For providing of repair, maintenance, and installation of plant/ systems/equipments (version 2) - industry unit; power house equipment; service provider - round the clock operation of entire signal & telecommunication(s&t) system and, routine/daily, monthly, quarterly half yearly and annual schedules maintenance of signal & telecommunication at singhpur loya s&t station as per scope of work. 2 4 round the clock operation of entire signal & telecommunication(s&t) system and, routine/daily, monthly, quarterly half yearly and annual schedules maintenance of signal & telecommunication at r&d yard s&t station as per scope of work. round the clock operation of entire signal & telecommunication(s&t) system and, routine/daily, monthly, quarterly half yearly and annual schedules maintenance of signal & telecommunication at in-plant yard s&t station as per scope of work. signalling/communication/2x25/3.5cx16/3.5cx35/3.5cx50 sqmm al pvc armoured cable, cable laying, underground, all size and cores/ and ofc cable laying by removing old cable from hdpe pipe and laying new cable as and when required as per scope of work.

Central Government/Public Sector

CTN :45704415

06 Jul, 2026 NA

Nagpur - Maharashtra

Tender For supply of cable modulator assy 787ce02018

CTN :45334873

07 Jul, 2026 NA

Varanasi - Uttar Pradesh

Tender For corrigendum : ner acting for and on behalf of the president of india invites e-tenders against tender noner_snt_proj_bsb_03_2026 closing date/time 21/07/2026 15:30 hrs. bidders will be able to submit theiroriginal/revised bids upto closing date and time only. manual o ers are not allowed against this tender, and any suchmanual offer received shall be ignored.1. nit headername of worksurvey, design, supply, installation, testing, and commissioning of automaticblock signalling work utilizing msdac for continuous track circuiting includingassociated auxiliary works at adjoining stations along with 4x48 ofc work in theaunrihar jn (arj) - chhapra jn.(cpr) section in the varanasi division of n.e.railway.bidding typenormal tendertender typeopenbidding systemtwo packet systemtender closing datetime21/07/2026 15:30date time of uploadingtender22/05/2026 16:46pre-bid conferencerequiredyespre-bid conference datetime05/06/2026 15:30advertised value 1361067788.19 tendering section projectbsbbidding stylesingle rate for eachschedulebidding unitearnest money (rs.) 27221400.00validity of offer ( days) 90tender doc. cost (rs.)0.00period of completion 18 monthscontract type works - general contract category expenditurebidding start date 07/07/2026are jv allowed to bid yesnumber of jv memberallowed3are consortium allowedto bidnonumber of consortiummember allowed0ranking order for bidslowest to highest expenditure typecapital (works)2. schedules.no. itemcodeitem qtyqty unitunit ratebasic value escl.(%) amount biddingunitschedule () a1- electronic interlocking items.357015720.82above/below/para1001 18.00pergoomty/ibh/ autohut7787135.28140168435.04 at par140168435.04page 1 of 26run date/time: 10/06/2026 15:46:05ner hq-s and t/north eastern rlytender documenttender no: ner_snt_proj_bsb_03_2026closing date/time: 21/07/2026 15:301description:- design, manufacture, supply of hot standby architecture electronic interlocking(ei)system complete as per rdso spec. no. rdso/spn/192/2019version 2 with latest amendment, ifany. mainly consisting of cpu cards, input cards, output cards, interfacing equipments and allrequired accessories for controlling automatic signals from mid-section auto relay huts andcommunicating directly through ofc (laid in redundancy with route diversity) with adjoining autorelay huts & ei/pi of stations asper schematic diagram of abs scheme given in annexure-i and sip/roll plan of abs section attached. for system 'a' & 'b' of ei, segregation between the dc-dcconverters should be made so that in case of failure, only one system is a ected and dc-dcconverters shall be provided in n+1 con guration. dual vdu for operation (2 no. of fanlessembedded industrial grade pcs, 2 nos. industrial grade 55" 4khd led vdu and 1 no. maintenanceconsole (fanless embedded industrial grade pc and industrial grade 55" 4khd led vdu with ups,backup min. 1 hr. & printer color laserjet with scanning facility similar to hp mfp 3303sdw) as perrdso's tan no. sts/e/tan/3007 ver. 2.0 dt.22.04.2026(latest).this also includes supply of all typesof interconnecting cables, racks/cabinets for ei, relay racks, connectors, fixtures, mountingarrangements, media converters, networking switches, surge & lighting protection devicescompatible to rdso standards & as recommended by oem, wiring materials, consumables,communication equipment etc. & all required accessories to make ei system functional for arh asper approved sip. note:(i).tenderer should submit details of individual cards/ modules with itemwise details, rate and quantity prior to ca in proforma attached as annexure-'b'.(ii)item wise ratesare only for indicative purpose & will not be used for evaluation of tender.(iii).the ei systemincluding its equipments and sub systems shall be under warranty for 3years from the date ofcompletion of each ei.(iv).ctr, ext. datalogger and all types of ext. relays for this item such asqn1,qna1, ledecrs,qspa1, ql1, klcrs will be provided by railway.(any speci

CTN :45673308

03 Jul, 2026 NA

Srinagar - Jammu And Kashmir

Tender For supply of abs modulator for training on braking system

CTN :45647988

02 Jul, 2026 NA

Jodhpur - Rajasthan

Tender For supply of lv7 scorpio turbocharger assy , lv7 scorpio intercooler tube and pin , lv1 r90 braided hose 18mm , lv7 scorpio vaccum modulator , lv7 scorpio wiring harness engine , lv7 scorpio injector

Central Government/Public Sector

CTN :45450539

29 Jun, 2026 17.71 Lacs

Sonbhadra - Uttar Pradesh

Tender For corrigendum : repairing 01 no. main hydraulic pump, 01 no. 3h19 valve bank-swing and travel, 01 no. modulator block assem-bly lnt shovel 300ckd (exc2661) and 03 no main hydraulic pumps (lhs and rhs) of rel 750e drill machine at bina project.

Central Government/Public Sector

CTN :45651336

20 Jul, 2026 NA

Roorkee - Uttarakhand

Tender For balanced detector and external modulator with bias controller

CTN :45633855

06 Jul, 2026 NA

Chennai - Tamil Nadu

Tender For purchase of electronics equipments for eee department - purchase of electronics equipments for eee department , "signal generatorfrequency 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 dc offset: 0 to ±10 v adjustable attenuation: 0 to –60 db" , "dso (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 – 50 s/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 equivalentinput impedance - 1 mω ±2%, // 20 pf 2 × passive probes (1x/10x)"

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Central Government/Public Sector