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Subject: Re: Source for Filter Equations

Date: 07/14/00 at 4:24 PM
Posted by: John Dunn - Consultant
E-mail: ambertec@ieee.org
Message Posted:

In Reply to: Source for Filter Equations posted by Bill R on 07/10/00 at 9:15 AM:

Hi, Bill.

I know you've decided to go digital, but have you considered switched capacitor filters such as those offered by Linear Technology? It might be a simpler conversion process for you.

Some of their devices are:

LTC1059, Fclk[max]=2MHz
LTC1060, Fclk[max]=1.5MHz
LTC1061, Fclk[max]=2.5MHz
LTC1064, Fclk[max]=1.5MHz
LTC1067, Fclk[max]=2MHz, Rail-to-Rail, SSOP package
LTC1067-50, Fclk[max]=2MHz, Rail-to-Rail, SSOP package
LTC1068, Fclk[max]=5.6MHz, SSOP package
LTC1068-50, Fclk[max]=5.6MHz, SSOP package, Low power
LTC1068-200, Fclk[max]=5.6MHz, SSOP package
LTC1068-25, Fclk[max]=5.6MHz, SSOP package
LTC1164, Fclk[max]=1.5MHz, Low power
LTC1264, Fclk[max]=6MHz

I've had some pretty good results with the LTC 1164 devices, myself.

Good luck.

John Dunn - President
Ambertec, Inc.

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