For the QPSK modulator shown in the figure above, construct the truth table, phasor diagram, and constellation diagram. In Figure 2, it can be seen that with QPSK, each of the four possible output ...
Eliminating software adjustments in circuits based on digital logic improves robustness and reduces cost for small-production-run series. This circuit is a cost-improved version of classical QPSK ...
ZMOD-X1 modulator series is an all inclusive unit that is fully loaded with features most needed by broadcasters today. In its most basic form, the unit comes with DVBS (QPSK), DVBS2 (QPSK and 8 PSK) ...
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