[time-nuts] Isolation and insertion loss of Minicircuits splitters

Charles Steinmetz csteinmetz at yandex.com
Sun Jul 19 17:52:02 UTC 2015


Dave wrote:

>I wont say I have decided for sure, but an obvious candidate is a
>Minicircuits ZHL-2-8
>      *   *   *
>That has plenty of gain, and in fact would need an attenuator around 24 dB
>if the typical gain is realized. It would also be running it a few dB below
>the 1 dB compression point. But someone (perhaps even yourself) mentioned
>phase noise increases as you get near the 1 dB compression point. That
>amplifier does not have a great deal of headroom - just 3 dB.

Not to mention that attenuating the input by 24dB and then amplifying 
by 36dB is a noisy way to get 12dB of gain.  That's a hit you really 
don't want to take.

Best regards,

Charles





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