4-way PTT splitter

This is simply 4-way analog splitter. Designed for no-delay PTT switching. From one input to 4 outputs. You can split PTT signal to 4 independent devices.

Main functions:

• Info:
  • Universal (PTT) switch splitter
  • Minimal delay
  • Compatible with 5V PTT logic (OM-power)
  • 4 x output FET switch - DC 50V 0,5A
• PTT LED indicator.
• RCA connectors.
• PCB size = 50 x 50,4 mm.
• Available as
  • Assembled board - tested
  • Assembled in aluminium enclosure (blue)

Parameters:

• Input PTT logic compatible with 5V and more
• Input PTT logic active when grounded
• Input PTT logic current typ. 40mA
• Output FET switch 50V 500mA for each port
• DC power supply 9V to 15V typ. 65mA DC cable connection

Use:

• PTT for more PA
• TRX PTT to another RX and TX devices
• PTT to interlock, PA etc.

Versions:

• Assembled PCB board
• Assembled in enclosure

Download

4-way PTT splitter
Schematic and board pic	sch	brd
Source files		KiCAD102
We believe open source is a better way of doing things. View and download the Shield Schematic and PCB files. The hardware designs are released under the Attribution-NonCommercial 2.0 Generic