[Premium-Rx] Siemens chip info needed

[John Reed]

----- Original Message ----- 
From: "Don Moman" <ve6jy at 3web.com>
To: <premium-rx at ml.skirrow.org>
Sent: Saturday, March 19, 2005 4:32 PM
Subject: Re: [Premium-Rx] Siemens chip info needed


Eskab used three of these chips on the PLAM board for the NRD-525 receiver 
also.

73, John Reed, KA5QEP

> This is the chip Eskab used in the PLAM board for the ICOM R70/71 etc.  I
> always thought it worked very well., esp with the narrow lock range so
> useful in crowded situations. Even finding the chip back then was 
> something
> I wasn't able to do.
>
> 73 Don
> VE6JY
>
>
> ----- Original Message -----
> From: <jan at skirrow.org>
> To: <premium-rx at ml.skirrow.org>
> Sent: Saturday, March 19, 2005 21:36
> Subject: [Premium-Rx] Siemens chip info needed
>
>
>> Hi all ...
>>
>> Michael O'Beirne also sent me a couple of papers on a rather nice AM
>> synchronous demodulator circuit - high performance and fairly
>> straightforward. However, it calls for a chip (probably the only critical
>> part in the thing) that is out of production. It's the Siemens SO41P high
>> performance FM discriminator. Does anyone have a spec sheet for this
> beast?
>> Any thoughts on a possible substitute?
>>
>> 73s, Jan
>>
>>
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>
>
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