[time-nuts] Bourns for fine frequency tuning

[Bob kb8tq]

Hi

A couple other options:

1) Adapt something like a 3540 series part 
2) Redo the circuit to use a 10K.

Bob

> On May 12, 2020, at 7:16 AM, timeok at timeok.it wrote:
> 
> 
>   I made a mistake on the product nr.
> 
>   The correct value is 100k so the pn is 3700S-196-104
> 
>   As  Matthias suggest I have placed a samples request directly to Bourns.
> 
>   https://www.bourns.com/support/request-samples
> 
>   Luciano
> 
>   Luciano P. S. Paramithiotti
>   timeok at timeok.it
>   www.timeok.it
> 
>   Da "time-nuts" time-nuts-bounces at lists.febo.com
>   A time-nuts at lists.febo.com
>   Cc
>   Data Tue, 12 May 2020 11:25:56 +0200
>   Oggetto Re: [time-nuts] Bourns for fine frequency tuning
> 
>   Am 12.05.20 um 11:03 schrieb timeok at timeok.it:
>> Bourns 3700S-196-1004
> 
>   A short search leads to
> 
>   <
>   https://www.mouser.de/ProductDetail/Bourns/3700S-1-103?qs=Ce8Nk3DxA0Ci0Gcap53qHg==
>> 
> 
>   which says that that the base type is EOL-ed (end of product life).
> 
>   The data sheet has no 100K version. Also the type number is probably a typo.
> 
>   1004 would mean 100 0000 which would be 1 Meg, practically impossible to
> 
>   do produce from NiCr wire or similar.
> 
> 
>   If all it has to do is selecting a voltage between 0 and some reference
>   voltage,
> 
>   10K is probably just OK.
> 
>   regards,
> 
>   Gerhard
> 
> 
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