1L20: Difference between revisions
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* [http://w140.com/tek_1l20.pdf Tektronix 1L20 Manual (PDF)] | * [http://w140.com/tek_1l20.pdf Tektronix 1L20 Manual (PDF)] | ||
* [http://ki3u.byethost3.com/Radio-PhysicsDIR/Substitute_uhf_osc_tubes_for_Tek_1L20.html Berj / KI3U's Page on 1L20 Oscillator Repair] | |||
<gallery> | <gallery> | ||
Revision as of 21:41, 15 April 2014
The Tektronix 1L20 is a spectrum analyzer plug-in for 500-series scopes. It covers the frequency range from 10MHz to 4.2GHz.
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Block Diagram
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RF and Phase Lock Block Diagram
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IF Block Diagram
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RF Section
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Phase Lock Circuit
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Wideband Amp and Mixer
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Sweeper
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IF Attenuator
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IF Amp, 70MHz Oscillator and Mixer
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Variable Resolution Circuit
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Output Amplifier
