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Transmit Interlocks

Bob G W1GLV
Bob G W1GLV Member ✭✭
edited June 2020 in SmartSDR for Windows
On the startup screen there is a transmit tab. What do the transmit interlocks do and what are they used for.

Answers

  • Al K0VM
    Al K0VM Member ✭✭✭
    edited June 2020
    WIOth some exteral configuration you could prevent ransmission if your switch matrix did not have valid transmit anteanna connected, It could be used for preventing transmission when using exteranl T-R relays to prevent hot switching in line preamps/PA's.... Most likel;y on VHF/UHF converter systems. Other uses possible. AL, K0VM
  • Bob G W1GLV
    Bob G W1GLV Member ✭✭
    edited December 2016
    Thanks Al
  • Mel, K0PFX
    Mel, K0PFX Member ✭✭
    edited April 2014
    "RCA TX REQuest" - I can not seem to find any functionality for this connector. It has 3.281 VDC in any state (Disabled/Active High/Active) in RECEIVE or TRANSMIT. "Ground" this pin in any state does not inhibit transmit when transmitting in CW. The HW docs say "..grounding the center pin will prevent transmit from engaging" which is what the ACOM2000A will do provide but does inhibit appear to be working. The SW docs only show what states are available but no "signal" info. Perhaps, I am not understanding how this works or on the "wrong RCA jack.. " ?
  • K4EAR
    K4EAR Member ✭✭
    edited April 2014
    Patiently waiting to see when then this comes to fruition, along with holding off RF output until the TX ports finish their timing. Not so good for fast QSK, but good engineering nonetheless...
  • Mel, K0PFX
    Mel, K0PFX Member ✭✭
    edited March 2017
    The "interlock" TX Request input is NOT currently functional... is this correct?
  • Tim - W4TME
    Tim - W4TME Administrator, FlexRadio Employee admin
    edited December 2016
    Yes, that is correct.

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