Thor Hallen: Difference between revisions
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'''Thor Oscar Hallen''' | '''Thor Oscar Hallen''' (1939 - 2002) was a Tektronix engineer. | ||
''please add further information'' | ''please add further information'' | ||
==Tek products== | ==Tek products== | ||
* [[7904]] vertical amplifier | * [[7904]] vertical amplifier | ||
* [[7A19]] amplifier plug-in | * [[7A19]] amplifier plug-in | ||
* [[1A7|1A7A]] differential amplifier plug-in with true differential offset | |||
==Patents== | ==Patents== | ||
* [http://www.google.com/patents/US3715609 US3715609 Temperature compensation of voltage controlled resistor] | |||
==Photos== | |||
<gallery> | |||
Thor hallen.jpg | |||
</gallery> | |||
[[Category:Tektronix people]] | [[Category:Tektronix people]] | ||
