Communication Trainer Tenders

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CTN :45351358

04 Jun, 2026 NA

Pudukkottai - Tamil Nadu

Tender For supply of lab equipments - purchase of lab equipments, ask modulation and demodulation kitspecifications: 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., fiber optic communication trainer kitspecifications:power supply: 230 v ac 10%, 50 hz mains operation. built-in regulated power supply. optical transmitters: led transmitter: 660 nm. optical receivers: phototransistor / pin photodiode receiver. built-in signal conditioning and amplifier circuits. audio power amplifier with speaker/headphone output. comparator / pulse shaping circuit for digital signal recovery. test points for cro observation and signal monitoring. fiber media: multimode plastic optical fiber (pof). fiber patch cords with connectors. signal sources: built-in sine wave generator. built-in square wave / digital pulse generator. voice signal input through built-in microphone/audio source. trainer features: separate transmitter and receiver sections. on-board test points for signal observation. led indicators for signal monitoring. fault simulation facility. compact tabletop modular design. circuit diagram printed on pcb. bandwidth: analog bandwidth: up to 350 khz. digital bandwidth: up to 2.5 mhz. controls: variable signal amplitude control. variable frequency control. optical intensity adjustment. standard accessories: patch cords and connectors. power cord. audio connecting cable. user manual.

CTN :45092628

15 May, 2026 NA

Delhi - Delhi

Tender For supply and delivery of school requisites 2026 secondary (physics) - , beaker borosilicate glass", flask conical, flask round bottom, funnel glass with stem, glass boiling tube, measuring cylinder, measuring cylinder, measuring cylinder, measuring cylinder, test tube, capillary tube glass, measuring cylinder, mirror plane, bare nichrome wire, alcohol, aluminium foil (m), bare constantan wire, bare copper wire, bulb, cardboard sheet, cell, connecting wires, cotton thread, cotton wool, "enamelled copper wire", eye wash bottle (unit), filter paper, fire extinguisher, first aid kit box, fire extinguisher, fuse cartridge type in transparent glass body, fuse cartridge type in transparent glass body, insulating tape, iron filing, matches, paper clips, plasticine, sellotape (unit), soldering wire, string (ficelle), thumb tack, blue tack, paper cup, paper straw, "blade for wood and metal", cutter with non flexible metal blade, engineer vice, hacksaw, hammer, hammer, pliers, screw driver set, soldering kit, "wire stripper automatic with incorporated wire cutter", ammeter, ammeter, balance electronic, banana plug, banana plug, block perspex, block perspex, boss head, bulb holder, bulb holder, bulb holder, capacitor, capacitor, capacitor, cathode ray oscilloscope, cell holder, clamp, clip bulldog, clip crocodile stainless steel, cork borer, cork rubber, difraction grating for spectrometer, difraction grating for spectrometer, difraction grating for spectrometer, diode - led, diode - led, diode -junction type, displacement vessel, electric bell in glass bell jar, electric kettle (unit), electromagnet, electromagnetic kit, electrostatic kit, fire blanket, funnel plastic, g by free fall apparatus, g clamp, galvanometer, galvanometer, galvanometer, gas jar tall, glazed cabinet for locker keys, haig wave machine, half metre rule, hall probe, helmholtz coils, "insulated socket - black", insulated socket - red, jockey, jug, lamp box wooden, lens converging, lens converging, lens converging, lens diverging, lens holder, leslie's cube, light dependant resistor ldr with connecting leads, light gate + timer, lighter, liquid level apparatus, loudspeaker, magnet bar, magnet horse shoe, magnet horse shoe, magnet magnadur, magnetic needle, magnifying glass, mains extension lead, "masses slotted with hanger", "masses slotted with hanger", "masses slotted with hanger", "masses slotted with hanger", "mercury spectral lamp/ gas discharge lamp for use with spectrometer(to be used with item pe330)", metal block calorimeter cylindrical, metal rod cylindrical, metre rule, micrometer screw gauge, microphone, microwave 2.8 cm wave equipment set:, microwave equipment, milliameter, multimeter, optical pin, pendulum bob, pendulum bob, pendulum bob, ping pong ball, plane mirror, plotting compass, polaroid strip (pair), power supply, prism perspex, prism perspex, ray optics box, "resistance coil standard unit", "resistance coil standard unit", "resistance coil standard unit", "resistance coil standard unit", retort stand, rheostat, ripple tank, rubber bung, rubber bung, rubber bung, rubber tubing, ruler plastic, scale pan aluminium, scissors, signal generator, slinky helix, smoke cell, sound wave demonstration kit, spring, spring balance (newton meter), "spring balance(newton meter)", spring balance(newton meter), spring extension, spring extension, spring extension, stop watch-digital - of good quality, stopwatch analogue, stroboscope, switch plug key type, "thermal conductivity kit", thermistor, thermistor probe, thermometer clinical, thermometer (digital), thermometer, alcohol in glass, torch electric, tray plastic, tube hollow, tunning fork, vernier callipers metal, voltmeter, voltmeter, voltmeter digital, ball and ring apparatus, bimetallic strip, board, "convection demonstration apparatus", hand stroboscope, immersion heater, "metre bridge wheatstone", motor/generator electric, "photo detector unit in casing", photocell, screen wooden, spirit level, steel ball be

CTN :43813696

06 Apr, 2026 NA

Bagalkot - Karnataka

Tender For corrigendum : supply of communication trainer kits and wooden podium at government polytechnic, malavalli, karnataka.

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