Subject: Re: [drakelist] R7(A)  SL500, 500 Hz filter
From: "Lars E. Pettersson" 


"Lars E. Pettersson"  made an utterence to
the drakelist gang
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On Tue, 2004-12-07 at 05:02, Rein A. Smit wrote:
> I am looking for the specs of a SL500 filter crystal for the R7/R7a
> 
> How many crystals?

8 poles.

> Form factor  6 dB/ 60 dB bandwidth

See the TR7 manual,
http://www.wb4hfn.com/DrakeManuals/TR7/Drake_TR7_12.jpg

6dB 500 Hz
60 dB 1100 Hz

> In and output impeadance

50 ohm

> Ultimate rejection.

Do not know...

73 de Lars, sm6rpz
-- 
Lars E. Pettersson 
http://www.sm6rpz.se/
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