PARTIAL_ADDING_MIXER

Published:2009/7/23 23:14:00 Author:Jessie | From:SeekIC

Semiconductor diode connected between plates in nonconducting direction, with 1.5 v back voltage, reduces additive factor of common-plate mixer. Marker input must have sufficient amplitude to overcome diode back-bias before marker signal can appear at output. Positive radar video at input appears as negative output. At coincidence, radar video biases diode to extent that only small amount of marker pulse can pass and add to radar video.-NBS, Handbook Preferred Circuits Navy Aeronautical Electronic Equipment, Val. 1, Electron Tube Circuits, 1963, p N4-9.



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