[Central-Electronics] Exciting Exciter VFO Option?

[Rodger Casey]

It looks as if it's a square-wave generator for digital circuit clocking, rather than a sine-wave generator.

> On Dec 12, 2016, at 2:09 PM, Stan McIntosh <mcinsand at gmail.com> wrote:
> 
> To all,
> 
> Last week, the Si5351 board from Adafruit caught my eye (
> https://learn.adafruit.com/adafruit-si5351-clock-generator-breakout/overview).
> For right at $8, you get:  a board with three PLL oscillators, 8 kHz to 160
> MHz, and 3Vpp for much of the output range (*IF* I understand correctly).
> A couple are on the way to my place, and I have to wonder if this might be
> good for my bench, where it would be good to have one knob control outputs
> for the Drake (5.6+ MHz IF), 20A (once I get it going), and maybe a direct
> oscillator.  Am I missing something?  Also, since the DDS/PLL board has a
> low impedance output, could adjusting the voltage to match a 20A's VFO
> input just be a matter of using a toroid step-up transformer with the
> appropriate load resistor?
> 
> 73
> Stan
> KD4BTH
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