422: Difference between revisions

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32 bytes added ,  7 October 2018
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high-voltage state, it produces a current pulse in the primary of transformer T401, which produces
high-voltage state, it produces a current pulse in the primary of transformer T401, which produces
a current pulse in the secondary of T401.  The secondary of T401 feeds another tunnel diode,  
a current pulse in the secondary of T401.  The secondary of T401 feeds another tunnel diode,  
D405, and the current pulse switches D405 to the high-voltage state, which starts a sweep.  
D405, and the current pulse switches D405 to the high-voltage state, which starts a sweep.
 
The 422 uses the [[T4220]] CRT.


==Links==
==Links==

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