DIGITAL Communication Trainers |
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Model 7514 |
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Data Conditioning & Carrier Modulation Transmitter Trainer |
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Salient Features : |
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On - board Carrier generation circuit ( Sine wave synchronized to
transmitted data ) |
On - board Inphase and Quadrature phase carrier for QPSK
modulation |
Different data conditioning formats NRZ ( L ), NRZ ( M ),RZ, Biphase
(
Manchester ),Biphase ( Mark
), AMI, RB,Differentially encoded
dibit pair |
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FSK, PSK, ASK & QPSK carrier modulation |
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Variable Carrier and Modulation Offset |
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Variable Carrier Gain |
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On - board Unipolar to Bipolar Conversion |
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On - board data inverter |
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Technical Specifications : |
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Input : Two channel Time Division Multiplexed Data |
| Accessories : a. Detailed Instruction Manual b. Set of patch cords |
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Data formats : NRZ ( L ), NRZ ( M ), RZ, Biphase |
( Manchester ), Biphase ( Mark ), AMI, RB, Differentially encoded
dibit
pair. |
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Carrier Modulation : FSK, PSK, ASK & QPSK |
On - board Carrier : Sinewaves synchronized to transmitted data at
1.44
MHz, 960 KHz (00 phase), 960 KHz ( 900 phase ) |
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Test Points : 38 |
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Interconnections : 4 mm sockets |
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Power : 230V ± 10% 50 Hz, 1 f AC |
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Accessories : a. Detailed Instruction Manual b. Set of patch cords |
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Experiments : |
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Study of Conversion of NRZ data to other data formats NRZ ( L ),
NRZ ( M
), RZ, Biphase ( Manchester ), Biphase ( Mark ), AMI, RB,
Differentially encoded dibit pair |
Study of following Carrier Modulation Techniques and their
comparison ASK, FSK, PSK & QPSK |
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