G4DCV 2 x GI7b 144Mhz amplifier. Figure 1. Click on shaded areas and then use the back button on your browser.
NB. The negative side of the 24V relay supply should be connected to ground.
Thanks to YU1AW for the input circuit. Originally designed for his GS31b Doorknob amplifier, it matches the GI7bs perfectly with unity SWR.
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