BPSK/QPSK/OQPSK Demodulator

KEY FEATURES

BPSK/QPSK/OQPSK digital demodulator

Programmable data rates up to 20 Mbps (QPSK) and 10 Mbps (BPSK)

Supports both differential / non-differential QPSK

Includes raised cosine square root filter with 20%, 25%, or 40% rolloff options

Demodulation losses less than 0.5 dB with respect to theory at 1 dB E_b/N_o

Demodulation threshold < -2 dB E_b/N

Aided / unaided frequency acquisition

4-bit soft-quantized demodulated bits

Extensive monitoring:

• Frequency error
• AGC gain
• SNR

Single 5V supply

Connectorized 3”x3” module for ease of prototyping

Standard 40 pin 2mm dual row connectors (left, right, bottom)

Interfaces with 5V and 3.3V logic

ComBlock COMPATIBILITY LIST

Input	Output
COM-1002 BPSK/QPSK/OQPSK Modulator, digital back-to-back	COM-1005 Bit Error Rate Measurement
COM-300x RF receivers	COM-7003 Turbo Code Error Correction
COM-1008 Variable decimation	COM-1009 Convolutional error correction decoder, K=5,7
COM-1023 BER generator, AWGN generator	COM-8003 Signal Diversity Combiner
COM-1024 Multipath simulator	COM-5003 TCP-IP / USB Gateway