[volt-nuts] HP3458A SCAL hardware

Poul-Henning Kamp phk at phk.freebsd.dk
Tue Jun 22 17:47:38 UTC 2010


In message <BLU125-W52C2E2E83EF2C57D95E43CEC40 at phx.gbl>, Mark Sims writes:

>I would go the 50 ohm route. Also, it might be best to skip the relays/
>switches. Build separate boards for each attenuation factor.
>You will have better repeatability and control of the attenuation. 		 	   		  
My assumption was that the relays would be more repeatable than the
connectors and different boards etc.

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Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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