DIGITAL Communication Trainers |
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Model 7515 |
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Data Reconditioning & Carrier Demodulation Receiver Trainer |
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Salient Features : |
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7 different data reconditioning formats ( NRZ ( M ), RZ, AMI, RB,
Biphase
( Manchester ), Biphase ( Mark ), Differentially encoded
dibit pair to NRZ ( L ) data |
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FSK, PSK, ASK & QPSK Carrier Demodulation |
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Output gives 2 channels TDM multiplexed data output |
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On - board Biphase clock recovery circuit |
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On - board data squaring circuit and differential decoder |
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On - board 4th Order Butterworth filters ( 02 nos. ) |
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Technical Specifications : |
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Input : From Adtron's Model 7514 Data Conditioning & Carrier
Modulation &
Transmitter Trainer |
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Output : 2 Channel TDM Multiplexed Data Stream |
Reconditioning Options : NRZ ( M ), RZ, AMI, RB, Biphase
( Manchester ), Biphase ( Mark ), Differentially encoded dibit pair
to NRZ ( L ) |
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Carrier Demodulation : |
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1. ASK - Rectifier diode |
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2. FSK - PLL detector |
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3. PSK - Square loop detector |
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4. QPSK Fourth power loop detector |
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Biphase clock recovery : By PLL |
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Test Points : 54 nos |
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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 different data formats to NRZ data format |
Study of various carrier demodulation techniques ( ASK, FSK, PSK
& QPSK ) |
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