[SI-LIST] Re: High Speed Switch
- From: Ray Anderson <reanderson@xxxxxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Tue, 14 Sep 2004 18:54:19 -0700
I meant SPDT (not SPST) in my earlier message. These were SMD type units.
-Ray
Ray Anderson wrote:
>You might want to check with the Agilent components people. About a year
>ago the R&D lab people there were demonstrating some mechanical
>(actually Hg) SPST switches that were impedance controlled and usable
>
^^^^^^^^^
>
>up to about 10GHz. I don't know if they were ever productized or not.
>
>You pulsed one input with about 18VDC for a millisecond and it switched
>one way, pulsed the other input for a millisecond and it switched the
>other way. No hold current required. I think it leveraged off of ink jet
>technology. Instead of squirting drops of ink it squirted drops of
>mercury inside the switch.
>
>These may be overkill for your application, but I thought the technology
>involed was kind of neat when it was described to me.
>
>-Ray
>
>
.
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