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.

Central Government / Public Sector

CTN :44964499

01 May, 2026 NA

Tirupati - Andhra Pradesh

Tender For auction sale of rolling stock - 07 coaches--lot no 5626045001 at crs/tpty scrap depot, ap [andhra pradesh] available with cdms/sd/crs/tpty scrap depot. description: cond. &u/s 8 wheeler bg coaches without bogie complete, wheel sets & rc items. coach nos (1)sc wgscn 057268 (2)sc wgscn 037222 (3)sc gs 037409 (4)sc ra 011213 (5)sc wgscn 057301 (6)sc wgaccn 047102 (7)sc wgscn 057291 make:icf/rcf. net saleable qty :171.70511mts; approx. weight of ms: 156.01366mts; approx. weight of rexine, foam, pvc, compregsheets, limpet sheet:5.55mts; approx. weight of ss lavatory pans:0.21mts; approx. weight of ss auxiliary water tanks:0.08mts; approx. weight of uic rubber:0.81mts; approx. weight of aluminum:0.1mts; approx. weight of aluminum hat racks:0.0116mts ; approx. weight of aluminium chequered sheets:0.644mts; approx. weight of al. hydraulic doors:0.03mts; approx. weight of al. ac roof vents:0.03008mts; approx. weight of al. beadings:0.05mts; approx. weight of al. roof:0.35mts; approx. weight of ss panels :0.441mts; approx. weight of pvc copper cables:0.261mts; approx. weight of ss truff floor:4mts; approx. weight of ss biotanks:0.99mts; approx. weight of ss under slung tanks:0.55mts; approx. weight of ss:0.08547mts; approx. weight of al. shutter frames and sill plates:0.359mts; approx. weight of rubber, woods, wooden seats with back rest, fibre shutters, window glasses:0.6225mts; electrical items: approx. weight of copper:0.3758mts; approx. weight of aluminium:0.141 mts; note:-(1) cutting is permitted to loadable sizes.(2)rc items mentioned in the excluded/reclaimed items list to be returned to railways. the quantity of rc items mentioned below will be arrived as per the joint handing over memo issued by the railway authorities to the successful bidder at the time of cutting/handing over of the lot and the same list of rc items should be returned to railways by the purchaser.(3)railways does not guarantee for quality, quantity, description, etc. purchasers are advised to physically inspect the lot and satisfy themselves before bidding as no communication/ complaints will be entertained under any circumstances regarding shortage of material. (4)any non-ferrous items, electrical items, rc items found in excess to the list mentioned below & not appearing in the list of saleable items to be returned to railways.(5)successful bidders must ensure the rc items at the time of taking over and same should be returned to custodian before effecting delivery. in case if item cannot be seen/count/weigh before dismantling, then the same will be jointly inspected soon after dismantling for inclusion in joint collection list of rc items.(6) the purchaser is responsible for providing adequate safety firefighting equipment such as fire extinguishers etc., on the spot at the time of cutting and delivery. (7)free delivery period (fdp) for the lot is 60 days. (8)in addition to the above, purchasers must comply with the special conditions mentioned below. location: line no.01 of old cutting yard/crs/tirupati. delivery on number basis only. total qty 07 numbers.pl no 98111048(01) hsn code:72042990. gst @18% on forward charge basis.

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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