@richpowers The lab Ultratech charges I think $1000.00 an hour. Gerry had to go back a few times as first and second testings needed redoing to comply...

Weird! UFO?

@jsh4 The rule states, or stated, 100mW DC into the final implying the it is it is measured with no audio. But has DC been removed? I remember it was ...

Carl had a sense of humour and he liked to create skepticism about something to get a discussion going like this one, just by bringing up this idea of...

@richpowers The final amp. Anything that needs a voltage from a power supply to work, or be powered, to perform a function is an active device. A tran...

I am not trying to win an argument here, or discussion for a better word. This not from me it is from electronic theory that I didn't write. This can ...

@richpowers You just beat me to it as this has started to get way off the topic of what is a "stage"Please, start another topic if you want to talk ab...

@richpowers I don't know how to explain an active/passive device better than I did. The AI here explains it very well.

@richpowers A whip antenna like those on our transmitters are passive antennas as they don't have active devices(transistors) the amplify signals them...

@centinel An active device in electronics is a component that need a power source to work.

The average person doesn't know anything about the technicalities of ATSC1 or 3 whatever.All it means to them is forcing obsolescence with your curren...

The wording maybe should be input to the final RF amplifier stage which would then imply an input, amplification(active component) and a load which wo...

@richpowers This can be said in a nicer way.