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<DIV><FONT face=Arial><FONT color=#0000ff><FONT size=2><SPAN
class=676315515-29092004>I think that keeping the CA3080 around is more of an
issue for maintenance than new design. There is still the NJM13700 and the
CA3280.</SPAN> <SPAN class=676315515-29092004>For now.
</SPAN></FONT></FONT></FONT><FONT face=Arial color=#0000ff size=2><SPAN
class=676315515-29092004>There are getting to be alternatives in the transistor
area. They don't have the quality of matching as the more expensive transistor
arrays but they maybe very useful. Even though these would be beyond what more
people can handle (SOT-363 is real small).</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=676315515-29092004></SPAN></FONT> </DIV>
<DIV><FONT color=#0000ff><A
href="http://www.centralsemi.com/SelectionPDF/SMD/SMD_Transistors_SOT363.pdf"><FONT
face=Arial
size=2>http://www.centralsemi.com/SelectionPDF/SMD/SMD_Transistors_SOT363.pdf</FONT></A><SPAN
class=676315515-29092004><FONT face=Arial
size=2> </FONT></SPAN></FONT></DIV>
<DIV><FONT color=#0000ff><SPAN
class=676315515-29092004></SPAN></FONT> </DIV>
<DIV><FONT color=#0000ff><SPAN class=676315515-29092004><FONT face=Arial
size=2>for dual matched (hfe 10%) 2N5089</FONT> <FONT face=Arial size=2>in
a SOT-363. HAven't found these yet in disti land so don't know how much these
cost.</FONT></SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=676315515-29092004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=676315515-29092004>Diodes
inc has:</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=676315515-29092004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=676315515-29092004>DMMT3904W & DMMT3906W which are matched (<FONT
face=Arial size=3><FONT size=2>h</FONT></FONT><FONT face=Arial>FE </FONT><FONT
face=Arial>(DC current gain), Vbe</FONT><FONT face=Arial>(SAT)</FONT><FONT
face=Arial>, and Vce</FONT><FONT face=Arial>(SAT) 2%) </FONT>pairs in a SOT-363.
These are about $0.50 at Digikey.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=676315515-29092004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=676315515-29092004>Last
time I had some boards done I did a bunch of SOT-363 to 6 pin DIP adapters. So
there is yet another thing to do when the weather turns bad.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=676315515-29092004></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN class=676315515-29092004>Jay
S.</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=676315515-29092004></SPAN></FONT> </DIV></BODY></HTML>