[time-nuts] Temperature and signal amp for 'Bay FE-5680A?
davidwhess at gmail.com
Sun Jan 8 01:39:34 UTC 2012
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
If there are time nuts then why not impedance, edge, and
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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