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| To: | <[email protected]> |
|---|---|
| Subject: | LF: Re: Re: Passive high-pass filter circuits? |
| From: | "J. B. Weazle McCreath" <[email protected]> |
| Date: | Thu, 3 May 2007 01:08:45 +0100 |
| Delivered-to: | [email protected] |
| References: | <[email protected]> <004d01c78c3a$48757ec0$0b01a8c0@server> <003501c78c4d$0d68f060$0300a8c0@lark> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
Hi Alan, If the roll off was such that the strength was around 6 dB down at 250 Hz. it would satisfy my requirements. What I'm after is reducing mains hum and its first few harmonics to a level where they are below the strength of the desired signals, which fall in the range of 1 to 4.5 kHz. 73, J.B., VE3EAR - VE3WZL Solar and wind powered Lowfer " EAR" 188.830 EN93dr http://www.hurontel.on.ca/~weazle |
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