Published:2009/7/23 23:23:00 Author:Jessie | From:SeekIC
Combining of video signals with pulses is accompanied by inversion of input signal. Value of R4 is 270 ohms for 5670 and 470 ohms for 6021. R2 is 680 ohms for 5670 and 1 K for 6021. Input signals must be positive.-NBS, Handbook Preferred Circuits Navy Aeronautical Electronic Equipment, Vol. I, Electron Tube Circuits, 1963, PC 24, p 24-2.
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