Electronic & Communication Trainers

Data Formatting & Carrier Modulation Transmitter Trainer (VPL-CT-DCCM)

SALIENT FEATURES

• On – Board Carrier generation circuit (Sine waves Synchronized to transmitted data)
• On – Board in phase and quadrature Phase Carrier for QPSK modulation
• Different data conditioning formats NRZ (L), NRZ (M) RZ, BiPhase (Manchestor), Bi Phase (Mark), AMI, RB,  Differentially encoded dibit pair
• ASK, FSK, PSK, DPSK, & QPSK Carrier modulation
• Variable carrier and modulation offset
• On – Board 8 bit data source
• Variable Carrier gain
• On – Board Unipolar to Bipolar conversion
• On – Board Data Inverter

Data Reformatting & Carrier Demodulation Receiver Trainer (VPL-CT-DRCM)

SALIENT FEATURES

• 7 different data conditioning formats NRZ (M) RZ, Bi phase (Manchester), Bi phase (Mark), AMI, RB, Differentially encoded dibit pair to NRZ data.
• ASK, FSK, PSK, DPSK, & QPSK carrier demodulation 
• Output gives 2 channel TDM multiplexed data output
• On – Board Bi phase clock recovery circuit
• On – Board data squaring circuit and different decoder

Delta Modulation & Demodulation Trainer (VPL-CT-DM)

TECHNICAL SPECIFICATIONS

Delta, Adaptive Delta & Delta Sigma Modulation Demodulation Trainer (VPL-CT-ADM)

SALIENT FEATURES

• Both Transmitter & Receiver on same board.
• Clock generation from crystal.
• 4 switch selectable sampling rates.
• On – Board Generators at 4 different frequencies (Synchronized).
• Separate Adjustable DC Level.
• Selectable integrator gain setting (by switch or control circuit).
• On – Board 4th order butter worth L.P. Filter.
• Unipolar to Bipolar conversion On – Board.

Digital Communication Trainer (VPL-CT-DCT)

This product VPL-CT-DCT is Digital Communication Trainer for demonstration and learning ASK, PSK, FSK modulation & demodulation experiments.