Indian Tenders
| TDR | 55717584 |
| Tendering Authority | Directorate Of Technical Education |
| Tender No | 2967.A3.2026 |
| Tender ID | 2026_DoTE_678591_1 |
| Tender Brief | Tender For Purchase Of Lab Equipments = Limited |
| City | Pudukkottai |
| State | Tamil Nadu |
| Document Fees | Ref. Document |
| EMD | Ref. Document |
| Tender Value | Ref. Document |
| Tender Type | Tender |
| Bidding Type | Open Limited |
| Tender Category | Goods |
| Competition Type | Indian |
| Exemption | No |
Tender Details
Tender For Purchase Of Lab Equipments-- 1 Purchase Of Lab Equipments 2 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. 3 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. Please Enable Macros To View Boq Information = Limited
Key Dates
| Publish Date | 28-05-2026 |
| Last Date of Bid Submission | 04-06-2026 |
| Tender Opening Date | 05-06-2026 |
Contact Information
| Company Name | Directorate Of Technical Education |
| Contact Person | PRINCIPAL |
| Address | GOVERNMENT POLYTECHNIC COLLEGE, GANDHARVAKOTTAI |
| Pincode | 613301 |
Other Detail
| Information Source | https://tntenders.gov.in |
BOQ Items
| Sl. No. | Item Description |
| 1 | PURCHASE OF LAB EQUIPMENTS |
| 2 | 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. |
| 3 | 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. Please Enable Macros to View BoQ information |