FPGA Central

Semtech, Analog Devices, Planet ATE (soon Intersil) and Maxim come to mind
- they all have suitable devices (also called "pin electronics") geared
towards semiconductor test equipment.
Wolfgang






"Tom Dagostino" <tom (AT) teraspeed (DOT) com>
Sent by: si-list-bounce (AT) freelists (DOT) org
06/05/2009 09:27 AM

To
"'Eugenio Simões'" <eugenio_simoes (AT) globo (DOT) com>, "'Jebasingh Arputham'"
<Jebasingh.Arputham (AT) lntemsys (DOT) com>
cc
<si-list (AT) freelists (DOT) org>
Subject
[SI-LIST] Re: Analog switch or OPAMP






There are some pin driver parts used in ATE systems that may work very
well
in this application.

Tom Dagostino
Teraspeed(R) Labs
13610 SW Harness Lane
Beaverton, OR 97008
503-430-1065
503-430-1285 FAX
tom (AT) teraspeed (DOT) com
www.teraspeed.com

Teraspeed Consulting Group LLC
121 North River Drive
Narragansett, RI 02882
401-284-1827

-----Original Message-----
From: si-list-bounce (AT) freelists (DOT) org [mailto:si-list-bounce (AT) freelists (DOT) org]
On
Behalf Of Eugenio Simões
Sent: Friday, June 05, 2009 7:12 AM
To: Jebasingh Arputham
Cc: si-list (AT) freelists (DOT) org
Subject: [SI-LIST] Re: Analog switch or OPAMP

Hi,
I believe that the OPAMP will have a better frequency response, but the
switch will have more current drive capability.

It will be difficult to find a solution to match this high frequency and
high switching amplitude that you are working. If you could lower one of
those (frequency or amplitude) will make it much more easier.

Good Luck

Eugenio

2009/6/5 Jebasingh Arputham <Jebasingh.Arputham (AT) lntemsys (DOT) com>

> Hi all,
> Is it advisable to use OPAMP or switch (MOSFET or Transistor) for a high
> speed level shifting application of about 200MHz.
>
> The input signal is a square wave of ( 0-5 V) and the output can swing
> between (HI & LO) +/-6V depending on the programmable HI & LO.
>
> which is the best solution switch or OPAMP?
>
> Thanks in advance
> Jebasingh S
>
>
>
>
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