[time-nuts] 3GHZ Extender for HP 53131A and 53132A

[Peter Gottlieb]

Wouldn't an attenuator solve that?

On 11/8/2013 7:03 PM, Richard Karlquist wrote:
> On 2013-11-08 15:49, GandalfG8 at aol.com wrote:
>
>>
>> At 1000 MHz, the highest frequency I can generate right now, I've  measured
>> the channel 3 input sensitivity as -50dBm with a sinusoidal signal.
>>
>> Regards
>>
>> Nigel
>> GM8PZR
>>
>
> This high sensitivity is probably a bad thing, not a good thing.
> It is indicative of a dynamic divider.  For a frequency counter
> prescaler, you want a static divider, such as the HP5386 used.
> Dynamic dividers make errors if the signal being measured
> has a broadband noise floor or sufficiently high spurs at any
> frequency.
>
> Rick Karlquist N6RK
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