[time-nuts] Triangle Waves

[Bruce Griffiths]

Magnus Danielson wrote:
>>>
>> When both the RF and LO ports are saturated, the mixer output 
>> waveform depends on how the IF port is terminated.
>> The output is indeed approximately triangular with your IF port 
>> termination method when both the RF and LO ports are saturated.
>
>
> My experience says that it also depends on the relative phase... so it 
> shifts between approx falling saw to approx tri to approx rising saw 
> to approx falling saw over a 360 degree beat period. Kind of 
> comforting to see this shift occurring slowly on the scope.
>
Your description is for the beat frequency output or for the input 
signal waveforms?
With a finite frequency beat signal one gets a periodic modulation of 
the phase difference between the 2 inputs.

Bruce

>
>
> Cheers,
> Magnus
>