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Disconnect RX A input on transmit?

Grant Kesselring
Grant Kesselring Member ✭✭
edited February 2020 in SmartSDR for Windows

Answers

  • Paul - K6HR
    Paul - K6HR Member ✭✭
    edited October 2019
    I use a (EA4TX AS2x2) relay keyed by PTT to disconnect the RX antenna during TX. I also use the Array Solutions RXFEP Front End Protector as a failsafe. Additionally,  the Flex 6xxx series has protection built in to protect the RX front end from overload. Better to be safe than sorry!
  • Bill -VA3WTB
    Bill -VA3WTB Member ✭✭✭
    edited February 2020
  • Johan _ SE3X
    Johan _ SE3X Member ✭✭
    edited October 2019
  • John WA7UAR
    John WA7UAR Member ✭✭✭
    edited October 2019
  • HCampbell WB4IVF
    HCampbell WB4IVF Member ✭✭
    edited October 2019
  • Johan _ SE3X
    Johan _ SE3X Member ✭✭
    edited October 2019
    Tnx, both John and Howard. Need to do some studying while I have started  setting up and trying SO2R a bit more seriously.

  • Gary NC3Z
    Gary NC3Z Member ✭✭✭
    edited October 2019
  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin
    edited November 2019
    Hi 

    You should be fine.  The front end of the RXA is well protected and it takes over a -10dbm signal at that point to cause an alarm (off the top of my head--I forget the exact number).  You do need to take some care that your beverage is not right in the middle of a 1500 watt signal.  I helps to be more thatn 1 wavelength away.

    SmartSDR will alarm if you are getting high RF signals.  Greater than a certain level, the input will clap down.

    Mike

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