Master frequency generator

A master frequency generator or master electronic oscillator, in frequency-division multiplexing (FDM), is a piece of equipment used to provide system end-to-end carrier frequency synchronization and frequency accuracy of tones.

The following types of oscillators are used in the Defense Communications System FDM systems:

Type 1 - A master carrier oscillator as an integral part of the multiplexer set.
Type 2 - A submaster oscillator equipment or slave oscillator equipment as an integral part of the multiplexer set.
Type 3 - An external master oscillator equipment that has extremely accurate and stable characteristics.

References

This article incorporates public domain material from the General Services Administration document "Federal Standard 1037C" (in support of MIL-STD-188).

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