Tektronix 494AP O o o o o O a o o o o o a A o, Theoryof Operation- 4g4A/494ApService,Vol

Theoryof Operation- 4g4A/494ApService,Vol. 1

PHASE/FREO

DETECTOR

f r : t , o r F : N F ,

Figure 7-28. Block diagramof a baslc syntheelzer.

Phase/Freq

DETECTOR

mODCONTROL

F,n : (NP + A) Frct

Figure 7-29.Basic block diagram of a +N syntheeizer with a variable modulue prescaler.

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