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Demodulator specifications, 2 demodulator specifications – Comtech EF Data SNM-1000 User Manual

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SNM-1000 Node Control Modem

Revision 3

Theory of Operation

MN/SNM1000.IOM

4–12

ambiguities of the incoming data. When the decoder generates a lock signal, the
demodulator stops sweeping. If the signal level is within the operating range of the
demodulator, the modem declares lock.

Notes:

1. After the demodulator is locked, BER and frequency offset monitoring are

available via the remote interface.

2. For QPSK applications, the demodulator has the ability to lock to a carrier that

has gone through a spectral inversion.

4.3.2 Demodulator

Specifications

Refer to Chapter 1 for specifications.