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7L12: Difference between revisions
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File:Tek-7l12-bottom-center.jpg | Bottom center. The 3-stage 2<sup>nd</sup> IF 105 MHz helical filter is visible in the middle (black cylinders). | File:Tek-7l12-bottom-center.jpg | Bottom center. The 3-stage 2<sup>nd</sup> IF 105 MHz helical filter is visible in the middle (black cylinders). | ||
File:Tek-7l12-top-front.jpg | Top front | File:Tek-7l12-top-front.jpg | Top front | ||
File:Tek-7l12-center-1.jpg | Tektronix 7L12, center board extended | |||
File:Tek-7l12-center-2.jpg | Tektronix 7L12, center board extended, back side. 2nd IF (105 MHz) helical filter seen near bottom. | |||
File:Two 7L12s.jpg | later and early model side by side | File:Two 7L12s.jpg | later and early model side by side | ||
File:tek-7l12.jpg | early model | File:tek-7l12.jpg | early model | ||