NO/COEP/ECD/EQUIP//ENQ/2013

NO/COEP/ECD/EQUIP//ENQ/2013-14/
Electronics & Telecommunication Department,
College of Engineering, Pune-5
Date: - 05/02/2014
To,
M/s,
Dear Sir,
Sealed quotations are invited for the following material subject to conditions listed below:
Last date of receiving Quotations: 20/02/2014
1) The taxes insurance, freight, packing & forwarding charges if any be mentioned separately.
2) The material shall be checked at this institute. The institute will not pay any charges for the
rejected material. The amount spent for getting the replacement for the rejected material will be
recovered from the supplier.
3) The validity and delivery period shall be stated clearly.
4) Quotation shall be sent in sealed envelopes mentioning clearly the quotation number and due
date, addressed to
‘Professor & Head, Electronics & Telecommunication Department, College of Engineering,
Pune-411 005’
5) The make, model, type shall be mentioned wherever applicable.
6) The Warranty minimum 1 year required.
1/8
Sr.No.
Particulars
Qty
required
1
DSB/SSB AM Transmitter trainer
2
2
DSB/SSB AM Receiver trainer
2
3
Frequency Modulation/ Demodulation trainer
2
4
Four Channel Analog Time Division Multiplexing trainer
2
5
Armstrong Frequency Modulator & Demodulator trainer
2
6
Frequency Division Multiplexer /Demultiplexer trainer
2
7
Sampling & Reconstruction trainer
2
8
TDM Pulse Amplitude Modulation/ Demodulation trainer
2
9
TDM Pulse Code Modulation Transmitter trainer
2
10
TDM Pulse Code Modulation Receiver trainer
2
11
Delta, Adaptive Delta and Delta Sigma Modulation/ Demodulation trainer
2
12
Data Formatting and Carrier Modulation/ Transmitter trainer
2
13
Data Reformatting & Carrier Demodulation trainer
2
14
Differential Pulse Code Modulation (DPCM) trainer
2
15
Minimum Shift Keying Modulation/ Demodulation trainer
2
16
Digital Companding A-Law and µ-Law trainer
2
17
Noise Generator trainer
2
18
16 QAM (Quadrature Amplitude Modulation) trainer
2
19
PN Sequence Generator trainer
2
20
Code Division Multiple Access (CDMA) trainer
2
21
DSSS and FHSS trainer
2
22
Error Detection and Correction-Cyclic Code trainer
2
2/8
23
Block Code Encoder trainer
2
24
Block Code Decoder trainer
2
25
Convolutional Encoder trainer
2
26
Convolutional Decoder trainer
2
27
Digital Communication Training System
2
Detailed Specifications for the above items:
1. DSB/SSB AM Transmitter:
Audio oscillator, band pass filters, 455 KHz & 1 MHz carrier generator, transmitting antenna
and speaker & DSB/SSB transmitter on same board.
2. DSB/SSB AM Receiver:
Local oscillator, mixer, bit frequency oscillator, RF Amp, IF Amps, detectors, audio output,
receiving antenna & DSB/SSB receiver should be on the same board.
3. Frequency Modulation/ Demodulation:
On-board audio oscillator, 2 types of FM modulators & 5 different types of demodulator
samplitude limiter & filter, effect of noise in FM on same board
4. Four Channel Analog Time Division Multiplexing:
Experiments that can be performed should be like: DSB & DSBSC AM reception & detection
by envelope detectors & Study of time division multiplexing & demultiplexing of analog signals.
5. Armstrong Frequency Modulator & Demodulator:
Input - Output and Test points should be provided on the board. Built in DC Power Supply.
Fully documented student operating manual should be available. Audio oscillator, carrier
oscillator, modulator, Phase shifter, amplitude adjust facility & filter circuits should be built-in.
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6. Frequency Division Multiplexer / Demultiplexer:
Frequency division multiplexing & demultiplexing with sinusoidal &Audio Input, DSB-SC
modulation/demodulation on same board & Study of Fourier transform of DSBSC modulation
should be possible.
7. Sampling & Reconstruction:
Crystal controlled pulse generator, should be able to demonstrate sampling and reconstruction as
per Nyquist criterion and for higher sampling frequencies, Six switch selectable sampling
frequencies, Sampling pulse duty-cycle to be selectable, Internal/ External sampling signal
selection, Separate sample and sample/hold outputs to be available.
8. TDM Pulse Amplitude Modulation/ Demodulation:
Crystal controlled clock, On-board sine wave generator, On-board pulse generator, 4 Analog
input channels sampled and time division multiplexed, four switch selectable sampling
frequencies, Pulse duty cycle to be selectable, Internal/External sampling.
9. TDM Pulse Code Modulation Transmitter:
Crystal Controlled Clock, On-board Sine wave generator, 2 TDM Analog Channels, Fast &
Slow modes for real time operation and data flow examination, Error check code options,
Switched faults to be available to allow different error check options, RS232 interface.
10. TDM Pulse Code Modulation Receiver:
TDM-PCM receiver compatible with the above TDM-PCM transmitter.
11. Delta, Adaptive Delta and Delta Sigma Modulation/ Demodulation:
DM, ADM Transmitter and Receiver trainer with full experimentation on SO error, GN error and
without distortion condition possible. integrator gain setting to be possible.
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12. Data Formatting and Carrier Modulation/ Transmitter:
Different data conditioning formats such as NRZ (L), NRZ (M), RZ, Biphase (Manchester),
AMI, and band-pass modulation schemes such as FSK, PSK, ASK ,QPSK & DQPSK.
13. Data Reformatting & Carrier Demodulation:
Compatible decoder / receiver for all the above codes and modulation schemes.
14. Differential Pulse Code Modulation (DPCM):
DPCM transmitter and receiver experimentation with all relevant facilities.
15. Minimum Shift Keying Modulation/ Demodulation:
MSK modulation and demodulation facilities for full experimentation and understanding of
MSK scheme.
16. Digital Companding A-Law and µ-Law trainer:
Full experimentation of companded PCM using both laws (A and µ laws) should be feasible.
17. Noise Generator:
Experiments such as Study of different types of Noise and their frequency spectrum, Additive
White Gaussian Noise, Pseudo Random Noise, Practical implementation of mathematical
equation : y(t) = x(t) + n(t), Study and analysis of eye pattern with and without Noise, should be
feasible on the trainer.
18. 16 QAM (Quadrature Amplitude Modulation):
Full experimentation of 16-QAM, intermediate observation points should be feasible.
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19. PN Sequence Generator:
PN sequence generator experimentation with all related test points for observation and a
complete lab manual.
20. Code Division Multiple Access (CDMA):
CDMA DSSS modulation & Demodulation experiment to be fully feasible.
21. DS-SS and FH-SS trainer:
Direct Sequence and Frequency Hopping Spread Spectrum modulation and demodulation
experiment should be feasible.
22. Error Detection and Correction-Cyclic Code trainer:
Experimental trainer kit to perform cyclic code encoding and decoding processes is expected. All
the relevant test-points should be provided on the kit. On-board Data and Code clock generation
facility should be provided. Multiple data rate and code rate selection facility should exist.
23. Block Code Encoder trainer:
Block Code Encoder trainer should have following features:
On-board clock generation for data and code, on-board data generator, numeric display and on
board error generator block should be available. Default and manual H-matrix selection facility
should exist on the trainer.
24. Block Code Decoder trainer:
Block code decoder trainer should have following features:
On-board clock generation for data and code, on-board data generator, numeric display and on
board error generator block should be available. Default and manual H-matrix selection facility
should exist on the trainer. This trainer should be compatible with block code encoder trainer.
6/8
25. Convolutional Encoder trainer:
Convolutional Encoder trainer should have following features:
Selectable rate: Constraint Length N=3, rates ½; N = 7, rate ¾.
Manual and Continuous mode operation, Encoder Code tree facility should exist on the kit.
On-board data, clock and error generation blocks should be available on the trainer kit.
26. Convolutional Decoder trainer:
Convolutional Decoder trainer should have following features:
State and trellis diagram Support, hard decision and soft decision decoding, decoded data bit
display facilities should exist on the trainer kit. The convolutional decoder kit should be
compatible with the above-mentioned convolutional encoder kit.
27. Digital Communication Training System:
A comprehensive digital communication training system based on VLSI and DSP platform is
expected. All types of shift keying modulation and demodulation techniques such as ASK, FSK,
M-ary ASK, PSK, QPSK, DPSK, DQPSK, offset QPSK, MSK, 8-QAM, 16-QAM, 16-PSK
should be possible to be demonstrated using this trainer. 4-bit encoding of serial data before
modulation and 4-bit decoding of serial data after demodulation should be possible with this
trainer. TFT LCD display of appropriate size for display of complete system control, data capture
and analysis should exist in the trainer. In-built DSO and 8-channel logic analyzer is expected.
Exhaustive learning material for all possible experiments on the system should be provided.
Timings for submission of quotations: 11.00 hrs to 16.00 hrs
Dead line for receipt of Quotation: 20/02/2014
Opening of the quotations: 21/02/2014
7) Quotations will be opened in the presence of Bidders or their representatives who choose to
attend at 4.00pm on Date: 21/02/2014 in the office of the Head of Department, Electronics and
Telecommunication, College of Engineering, Pune - 411005.
8) A further detail of this invitation quotation and the relevant information is available in the
Store at E & TC Dept, College of Engineering, Pune-05.
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9) All duties, taxes and other levies payable by the bidder needs to be included in the total price,
and break up needs to be indicated.
10) The supply / work should be completed within one month from the date of purchase order.
11) The quotations should be signed, sealed and submitted in the following format.
Sr.No, Item, Quantity, Basic Rate /Unit in Rs. Total Cost in Rs. With break-up of basic price and
taxes / duties if any
Thanking You,
Yours faithfully,
Head of Department,
Dept. of Electronics and Telecommunication,
College of Engineering, Pune-411005.
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