[SI-LIST] Re: High Speed Switch
- From: "Tabatchnick, Justin" <justin.tabatchnick@xxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Tue, 14 Sep 2004 19:11:06 -0700
You might try RF -180 by Teledyne, they're mechanical relays, DPDT (
but can be used as SPDT) , small form factor and rated to 6 GHz or
Dowkey has some mechanical relays , a bit larger, but rated to 26 GHz .
I would stay away from solid state relays if you care about jitter.
Justin Tabatchnick
Intel, Sacramento
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Ray Anderson
Sent: Tuesday, September 14, 2004 6:54 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: High Speed Switch
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=20
>ago the R&D lab people there were demonstrating some mechanical=20
>(actually Hg) SPST switches that were impedance controlled and usable
>
^^^^^^^^^
>=20
>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=20
>other way. No hold current required. I think it leveraged off of ink
jet=20
>technology. Instead of squirting drops of ink it squirted drops of=20
>mercury inside the switch.
>
>These may be overkill for your application, but I thought the
technology=20
>involed was kind of neat when it was described to me.
>
>-Ray
> =20
>
.
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=20
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