Dave VanHorn wrote:
>Having opened the shield, I can see that the terminal marked feeds
>current to the first amplifier stage. The second and third stages have
>wires running to a seven pin plug, where I have nothing connected.
>
>The last stage is definitely powered from the +12 rail.
>
>I have the input fed in at 400mW, amp powered, and I've tried taking
>the CTRL terminal from ground through 12V. It isn't drawing any current
>to mention, and the output isn't moving the needle with a 100W VHF slug
>in the bird.
>
>I hope that I need to do something different with the seven pin plug.
>
Remember, the UHF amplifier requires 2 watts of drive.
Maybe print out the reply I gave you so you aren't forgetting anything;
since the amplifiers are very different in their requirements.
Kevin
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