GTE Lenkurt Demodulator, Volumes 22-24GTE Lenkurt, 1973 - Telecommunication |
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alarm amplifier amplitude analog antenna attenuation band baseband binary bipolar bit stream blackout fade cable pair carrier cause cell central office channel bank circuit clock communications connector DECODER Demodulator is circulated device DFSG dial electrons energy equipment error rate fade margin fiber filter frequency function GTE Lenkurt Demodulator impedance in-band signaling input interface jitter laser layer light loop low-pass filter Mb/s ment microwave minicomputer modified duobinary modulation monthly to selected multiplex noise off-hook on-hook operate communica optical fiber out-of-band signaling output path phase jitter port propagation pulse quency radio horizon receiver refractive relay repeatered line resonant sample selected technicians semiconductor shown in Figure signaling channel space diversity subscriber superrefractive supervisory switching SYSTEMS The GTE techniques telephone terminal test set tie trunk tion tone trans transmit trunk VOICE & DATA voice channels voltage wave wire zero