¿ªÔÆÌåÓý

ctrl + shift + ? for shortcuts
© 2025 Groups.io

Re: Mismatched antenna on Class-D & Class-E amplifier


 

Wolfgang,

Does your auto tuner have a resistive bridge so the radio never sees more than a 2:1 VSWar during the tuning process?

Many of us use a resonant antenna or a ¡°tuner¡± with a resistive bridge (turn/operate switch) to protect the PA in the transceiver.

Make sense?

73,
Rhett KB4HG

On Fri, Oct 29, 2021 at 12:52 Wolfgang OE1MWW <oe1mww@...> wrote:
Thanks Mike, but my question is:

How do Class-D (QDX) and Class-E amplifier (QCX series) react/behave on
mismatched antenna, right before tuning and setting a match on cable end ?

73's de OE1MWW
Wolfgang

Join [email protected] to automatically receive all group messages.