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570: Difference between revisions
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The second stage is a differential amplifier made of both halves of a [[6BQ7A]]. | The second stage is a differential amplifier made of both halves of a [[6BQ7A]]. | ||
* [http://w140.com/tek_570_rk.pdf Tektronix 570 Manual 070-167 (good quality, OCR, PDF)] | |||
* [http://w140.com/tek_570_manual_070-359_7-63.pdf Tektronix 570 Manual (good quality, PDF)] | * [http://w140.com/tek_570_manual_070-359_7-63.pdf Tektronix 570 Manual (good quality, PDF)] | ||
* [http://w140.com/mmm/tek-570.pdf Tektronix 570 Manual (mediocre quality, PDF)] | * [http://w140.com/mmm/tek-570.pdf Tektronix 570 Manual (mediocre quality, PDF)] | ||