HF Transceiver - Band pass filter module. RAR contains schematic, pcb gerber files, parts list, assembly drawing and user guide.

HF Transceiver - 9Mhz Crystal filter module. RAR contains schematic, pcb gerber files, parts list, assembly drawing.

HF Transceiver - 40Mhz Crystal filter module for new RXv5.21. -3db insertion loss, center frequency 40,08Mhz, Z = 65Ohm, SWR 1,2. RAR contains schematic, pcb gerber files, parts list, assembly drawing.

HF Transceiver - Receiver module v5.22. RAR contains schematic, pcb gerber files, parts list, assembly drawing.

HF Transceiver - exciter module. RAR contains schematic, pcb gerber files, parts list, assembly drawing and user guide.

HF Transceiver - pre-power amplifier module. RAR contains schematic, pcb gerber files, parts list, assembly drawing.

PA module is off MB board.

HF Transceiver - Low pass filter module. RAR contains schematic, pcb gerber files, parts list, assembly drawing and graphs.

HF Transceiver - Front user panel module. RAR contains schematic, pcb gerber files, parts list, assembly drawing.

HF Transceiver - RX/TX switch & DC filter. RAR contains schematic, pcb gerber files, parts list, assembly drawing.

HF Transceiver - version 1.00 with history

Email me for motherboard software

HF Transceiver - Microphone pre-amplifier new version for use with supply located in 3d printed housing. RAR contains schematic, pcb gerber files, parts list, assembly drawing.

HF Transceiver - Microphone pre-amplifier power supply. RAR contains schematic, pcb gerber files, parts list, assembly drawing.

HF Transceiver - Microphone pre-amplifier in 3d print housing.

HF Transceiver - CW taster in 3d print housing.

HF Transceiver - 24V to 12V 3A adapter. RAR contains schematic, pcb gerber files, parts list, assembly drawing.

HF Transceiver - Graphs. RAR contains BPF graphs pictures and crystal filter graph.

6m & 15m has been added !

EFHW antenna transformer 1:49. Download SWR graph.