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 Forum index » DIY Hardware and Software
ARP1601 Help
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janvanvolt



Joined: Nov 24, 2005
Posts: 285
Location: Mainz, Germany

PostPosted: Fri Oct 27, 2006 6:27 am    Post subject: ARP1601 Help Reply with quote  Mark this post and the followings unread

Hi all,

i need some help as i'd like to work on a ARP1601 clone. I am stuck at the point where i see Z20 which is a resistor IC, but have no further details.
The ARP product number is 5704101.

Can somebody enlighten me what kind of IC/Resistor net this is and likely the pinout.

The schematics show only Z20 and the ARP Part #

http://www.retrosynth.com/docs/1601/1601_16a.gif

Any help would be greatly appreciated.
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Scott Stites
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Joined: Dec 23, 2005
Posts: 4121
Location: Mount Hope, KS USA
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PostPosted: Fri Oct 27, 2006 10:20 am    Post subject: Reply with quote  Mark this post and the followings unread

Your answer is here:

http://www.retrosynth.com/docs/1601/1601_07.gif

It's a 100R resistor pack - wouldn't necessarily need it - you could use discrete matched resistors. The resistors are in series - they're dropping voltage developed from the constant current source feeding them.


Cheers,
Scott
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