Appendix D: Sample Waveform Library

π/4 DQPSK I Axis Signal

The base band I-axis output for a digital cellular car telephone system is created

(DQPSKI.WFM)

on the Tektronix digital signal processing work system (DSPW).

Bit rate

42

Kbps

Point number

32

Kwords

Clock frequency

21 kHz

Figure D￿14: π/4 DQPSK I Axis Signal

π/4 DQPSK Q Axis Signal

The base band Q-axis output for a digital cellular car telephone system is created

(DQPSKQ.WFM)

on the Tektronix digital signal processing work system (DSPW).

Bit rate

42

Kbps

Point number

32

Kwords

Clock frequency

21 kHz

Figure D￿15: π/4 DQPSK Q Axis Signal

AWG2021 User Manual

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