[sdiy] QVCO schemo up

[Paul Perry]

----- Original Message ----- 
From: "James Patchell" 
>.... or on page 80 of the Analog Devices Nonlinear 
> Circuits Handbook...
> 
....where it suggests putting the freq under digital control by 
using multiplying D to A converters. An interesting 
distinction there between waveforms being "clean"
or "oscilloscope clean". Not sure which is cleanest!

paul perry Melbourne Australia