[time-nuts] EIP545A 18GHz counter query

[bownes]

You can also overdrive a mmic and get good results. That is what I'm using as the oscillator for my 1.296 GHz beacon. 

Bob

On Nov 27, 2012, at 15:45, Ed Palmer <ed_palmer at sasktel.net> wrote:

> Hi Don,
> 
> Yes, I've heard of SRDs.  I think every Rb standard uses them.  I recently purchased a YIG Multiplier that includes an SRD followed by a YIG filter.  But, from my reading, there are some significant issues that you run into when driving an SRD.  I'm still playing with mine.
> 
> Ed
> 
> On 11/27/2012 2:15 PM, Don Latham wrote:
>> snip
>>> I'm in the same position as you regarding testing at high frequencies.
>>> You might be able to get a signal at the second or third harmonic of
>>> your generator by cranking the level to the maximum and then using the
>>> counter's Band 3 frequency limits feature to only look at that
>>> frequency.
>> snip
>> You can also get a step recovery diode and generate a bunch of harmonics...
>> DonL
> 
> 
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