123: Difference between revisions
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Image:Tek 123 1958 cat.jpg|Description in 1958 Catalog | Image:Tek 123 1958 cat.jpg|Description in 1958 Catalog | ||
Image:Tek 123-schem photo.jpg|Schematic | |||
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Revision as of 16:12, 30 December 2011
The Tektronix 123 is a miniature preamplifier introduced in 1958. The gain is 100, input impedance is 10 megohms, and the output impedance is 31 kilohms. The frequency response is from 3 Hz to 25 kHz. The 123 uses two CK512AX pentodes.
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Description in 1958 Catalog
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Schematic
