"John Stensby (EE)" wrote:
> For Fig. A, top trace, the caption states that a "key down" transmit
> condition corresponds to a low voltage. On the top trace of Fig. A, the
> waveform starts out (left side of plot) low (i.e., "key down"), and the RF
> output envelope starts (approximately) 27ms or so later. Is this correct?
Looks like it is.
The waveform is typical of the breed.
> I am wondering if you have the upper trace of Fig. A "reversed", and a
> "key down" condition corresponds to a high voltage on Fig. A
No, it cannot be so, because it would require Orion
to cease transmitting before the key is released.
73,
Sinisa YT1NT, VA3TTN
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