Substitute UHF Oscillator Tubes for the Tektronix 1L20 Spect

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ki3u
Posts: 22
Joined: Mon Sep 23, 2013 12:31 pm

Substitute UHF Oscillator Tubes for the Tektronix 1L20 Spect

Postby ki3u » Mon Nov 11, 2013 10:48 am

For those who like to keep their Vintage Tektronix 1L20 Spectrum Analyzer plug-in going (it is a
fine piece of advanced analog electronics mass-production craftsmanship) I briefly detail a solution
I've found to be satisfactory to the Y-1641 ceramic UHF Planar Triodes problem, here :

http://ki3u.byethost3.com/Radio-Physics ... Smain.html

Berj / KI3U