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'MAX 366'
1999\10\08@135309 by Bill Stachtos

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<DIV><FONT color=#000000 size=2>&nbsp;&nbsp;&nbsp; <FONT
color=#000000>Hi!</FONT></FONT></DIV>
<DIV><FONT color=#000000 size=2><FONT color=#000000>I &acute;m using a MAX 366
and i am in need of help</FONT></FONT></DIV>
<DIV><FONT color=#000000 size=2><FONT color=#000000>I use 2 trimmers, one
between 0 and +12 Volts and one</FONT></FONT></DIV>
<DIV><FONT color=#000000 size=2><FONT color=#000000>between 0 and -12 Volts in
order to produce the signals</FONT></FONT></DIV>
<DIV><FONT color=#000000 size=2><FONT color=#000000>V+ and V- respectively. The
problem is that both signals </FONT></FONT></DIV>
<DIV><FONT color=#000000 size=2><FONT color=#000000>(V+ and V-)&nbsp; are
affected by BOTH trimmers thus i am not</FONT></FONT></DIV>
<DIV><FONT color=#000000 size=2><FONT color=#000000>able to provide them with 7V
and -2V which would be</FONT></FONT></DIV>
<DIV><FONT color=#000000 size=2><FONT color=#000000>desired....
</FONT></FONT></DIV>
<DIV><FONT color=#000000 size=2><FONT color=#000000></FONT></FONT>&nbsp;</DIV>
<DIV><FONT color=#000000 size=2><FONT color=#000000>Thanks in advance for your
time reading this and for any</FONT></FONT></DIV>
<DIV><FONT color=#000000 size=2><FONT color=#000000></FONT></FONT><FONT
size=2>suggestions</FONT></DIV>
<DIV><FONT color=#000000 size=2><FONT
color=#000000>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
Bill Stacthos</FONT></FONT></DIV></BODY></HTML>

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1999\10\08@154900 by Mark Willis

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My quick guess:  Your ground signal is moving around on you, instead of
staying right in the middle between your +12V and -12V signals?

Stick a DMM between +12 and Ground, and see what happens when you adjust
the upper & lower pots, I suspect they're changing "Ground", maybe?

What values the trimmers have would be good.  (Haven't used a Max366 in
recent memory, in a rush to get out the door here, I'm late!)

 Mark

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