KIT of antenna four to one switch by OK2ZAW
Main functions:
- Four outputs to one input.
Frequency range DC-30 MHz - Characteristic impedance 50 ohm
Power rating DC to 30 MHz 4 kW continue wave 7.5 kW PEP (SWR < 1:1.7) (tested with tsunami) - Designed for OM-power OM-4000++ PA style
- High quality PCB thickness 2 mm
- Relay 12 Volt
- Connectors PL-259 female with gold plated.
- Power consumption < 3W.
- Disconnect outputs are shorted.
- PCB size 170 x 91 mm
KIT 4-to-1 antenna switch with high quality PTFE SO-239 connectors includes:
- 1x PCB 2mm FR4
- 5x High quality PTFE SO-239 connectors for High Power
- 12x 16 A (2x8 A contacts) relays
- 4x diode 1N4007
- 4x LED 3mm diode
- 4x Capacitors
- 4x Varistors
- 4x Resistors
- 3x Wago connectors
- 1x Cu wires
- 12x Screws, nuts, distances...
Examples of measured values
The measured values
VSWR |
Insert loss |
Isolation 1to4 |
Isolation 1toOUT |
Schematics |
Download
Antenna switch | |||||
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4 to 1 QRO, version 5.0 | pcb | sch | 598 | ||
We believe open source is a better way of doing things. View and download the Shield Schematic and PCB Kicad/Eagle CAD files, LibreCAD .DXF, or Inkscape .SVG files. The hardware designs are released under the Attribution-NonCommercial 2.0 Generic |