Re: Topband: Phase and Polarity -- They are Very Different

2013-02-05 Thread Tom W8JI
"Phase inversion" is a long used term for inverting the phase of any signal. It appears with discussions of push-pull amplifiers, and it is equally used in RF phasing systems. Phase inverter and phase inversion even made it into the Communications Standard Dictionary as "a device that has an o

Topband: Phase and Polarity -- They are Very Different

2013-02-04 Thread Jim Brown
On 2/3/2013 10:55 PM, Eric NO3M wrote: also the phase inverter At the risk of being a PTA, let me remind all that phase is a continuously variable quantity that is directly related to frequency and time. It cannot be "inverted" or "reversed." There is another parameter called "polarity," an