7ANT RX SPLITTER - 7 RX antennas to 2 RX

The splitter or combiner is a very useful device. It can provide equal voltages, equal current, or equal power to matched or unmatched loads. Like all passive splitters and combiners, this device is less than ideal. Isolation is maximum only when at least one port are properly terminated. In this case isolation between the two splitted/combinated ports is maximum when the main port is properly terminated. This HW is designed only for RX line. There are some more high current and voltage protections on all ports. Both impedances 50 or 75 Ohm can be selected by the jumper.

This is the box which allows you to split (up to 7) RX antennas to 2 RX. You can take advantage of this for 2 independant RX on band(s). You can insert this splitter between two 7 RX ANT SWITCHes and there is complete solution for 2 independant RX on band.

Splitter is controlled by +12V. If there is no power supply, signal goes from ANT to OUT1. If you apply +12V to the port, than signal is splitted to OUT 1 and OUT 2.

Main functions:

• Info:
  • Broadband: 0.1 MHz to 60 MHz
  • Splitter or Combiner
  • Low loss
  • Protections- high voltage / current
  • 50/75 ohm impedance - easy jumper switch More here
• Electrostatic protection with glim lamps.
• High power protection.
• Stainless screws.
• Quality PTFE SO-239 connector, F with adapters, N connector on request.
• IP56 box. Protect it against standing water and snow.
• Enclosure size 25x20 cm.
• Available as
  • Assembled : ready to use with SO-239
  • Assembled : ready to use with SO-239 to F adapters

Parameters:

• Info:
  • Impedance 50 or 75 Ohm
  • Insert loss: around 0,5 dB
  • Split 3 dB, together with IL around 3,5 dB
  • Isolation more than 30 dB, 160-40 m more than 40 dB
  • SWR on splitted ports better than 1:1,1 on HF, resp. 1:1,19 on 6 m
  • SWR on main port around 1:1,2 on HF, resp. 1:1,3 on 6 m
  • Maximal current continue 100 mA
  • Maximal voltage around 65 V
  • Enclosure size 25x20 cm.

Use:

• RX signal divider (7 x)
• One antenna into two RX (7 x)
• Antennas splitter (7 x)
• For Multi-Multi RX ANT Switch system: More here

Versions:

• Connectors: SO-239, N or with adapters also F

The measured values

Isolation and SWR on splitted ports

SWR on main port and Insert loss

Option - Common-mode current choke to ham shack:

Link to CMCC

CMCC	CMCC 1 to 3 port

Download

7ANT RX SPLITTER
Manual in WiKi		WiKi
rev 0.1		schematic.sch	pcb	kicad