Radio Electronics 1986-08

A PSK Demodulator for the JAS Satellite

Audio Psk Demodulator

By Fujio Yamashita, JS1UKR, JARL, Sugamo 1-14-2 The digital transponder on the JAS-1 satellite is designed to transmit its downlink signal by PSK modulation. Therefore, reception of the downlink signal requires a PSK demodulator. Several circuits are available, but this article introduces another recently developed. A PSK signal can be thought of as carrier-suppressed double sideband DSB . To demodulate the signal, a carrier signal identical in frequency and phase as the received PSK signal is...