[time-nuts] Temperature and signal amp for 'Bay FE-5680A?

[Peter Gottlieb]

Oh, there are definitely edge nuts.  I've seen quite a number of posts 
regarding measurement and attainment of ultrafast edges.

I've also seen impedance nuts (and of course those who think it is fine 
to randomly intermix 75 ohm and 50 ohm cables in systems).

But I have yet to run into a transconductance nut!


On 1/7/2012 8:39 PM, David wrote:
> Most of the gear I have expects TTL levels or better.  A 0.6 volt RMS
> sine wave (1.2 volts peak to peak) could be a problem.  As far as
> ringing, I would design something with back termination and slew rate
> limiting and expect the receiver to terminate to ground which is
> almost always the situation.  I looked at the TADD-3 design and it
> sacrifices back termination impedance for signal swing which results
> in ringing but I presume not too much if people were using it
> successfully.
>
> If there are time nuts then why not impedance, edge, and
> transconductance nuts?
>
> On Sat, 07 Jan 2012 17:11:59 -0800, ed breya<eb at telight.com>  wrote:
>
>> Most gear probably won't care whether it's sinusoidal or "square" as
>> long as the amplitude is right, but if you try to send square waves,
>> then the question is how square do they need to be. Sharp edges may
>> convey better timing information, but may also cause ringing and
>> other effects. I think reasonably clean sine waves or "highly
>> rounded" square waves are best, and easiest to send around, and you
>> know how much bandwidth is needed.
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