Re: a simple spur fix
Unless we add an amp to each of the three clocks between the si5351 and the mixers,toggle quoted messageShow quoted text
we are trading off si5351 crosstalk, local oscillator injection level, and reflections due to
driving the mixer from a source impedance higher than 50 ohms.
All three of these factors will contribute to spurs.
One might replace the 100 ohm and 75 ohm resistors of my previous email
with small pots, then try various settings to find the best compromise.
On Fri, Nov 9, 2018 at 08:37 PM, Jerry Gaffke wrote:
I suggest each si5351 clock pin drive a series DC blocking cap and a series 100 ohm resistor