[time-nuts] 5>10 doubler

Gerhard Hoffmann dk4xp at arcor.de
Wed Jan 28 10:03:23 EST 2015

Am 28.01.2015 um 01:57 schrieb Charles Steinmetz:
> (again, not many of us amateur time nuts).  Once upon a time, Motorola 
> made monolithic quad BJTs -- but I'm not aware of any matched quads 
> similar to 2N2222s at this time.  [Several manufacturers still claim 
> to make MPQ2222s, but those are not monolithic and not matched.]
There still are
< http://www.analog.com/static/imported-files/data_sheets/MAT04.pdf >

if duals are enough:
< http://www.analog.com/static/imported-files/data_sheets/SSM2220.pdf >,
< http://www.analog.com/static/imported-files/data_sheets/MAT12.pdf >
also mat02, mat03, maybe SSM2110,

I have used most of them :-)

regards, Gerhard

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