RX Master Receive Antenna Controller

Control multiple receive antennas and RX-only bandpass filters automatically from band decoders or with manual switching.

The 4O3A RX Master Receive Antenna Controller allows for up to 4 receive antennas to be interfaced to a single transceiver.  Built-in RX-only bandpass filters with ~45 dB of out of band rejection for 160, 80, 40 meters with automatic band switching possible from band decoders to a 15 pin jack on the back of the unit.  Antennas can be manually switched from the front panel or controlled by +12VDC inputs on a rear panel DB-9 connector. 

+12 VDC can be sent as an output from the unit on any of the 4 antenna jacks by front panel selection for actuating remote preamps or other antenna switching.

16 dB low noise preamp, variable, built-in.  36 dB range variable attenuator (-6 to -42 db).  S/N input check puts a 50 ohm load on the front end to set RF gain on the transceiver properly. 

Alphanumeric display plus LED indicators on front panel to show switching status at any given moment. 

Specifications:

  • Antenna inputs: 4, RX-only, 50 ohms nominal, F connectors.
  • Preamp:  Variable, 0-16 dB.  In/out switchable
  • Attenuator:  Variable, 6-42 dB.  In/out switchable.
  • Power required:  12-15 VDC, 300 mA, 5.5 x 2.1mm DC female power connector.
  • Display: alphanumeric LCD
  • Connection: direct to transceiver RX ANT input, or for certain transceivers employing a RX loop (e.g. Icom) can be direct connected via the loop.

 

RX MASTER Receive Antenna Controller

YDC - DC power pigtail