HF Transceiver v1-S Block schematic. It contains all modules. Potentiometers, TFT display,
rotary encoder, TX power amplifier and TX LPFs are off motherboard. Receiver, quartz filter, TX exciter and
Tx preamplifier are modules loaced on motherboard.S
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HF Transceiver - Motherboard v1-S. RAR contains schematic, pcb gerber files, parts list, assembly drawing, user guide.
HF Transceiver - Band pass filter module. RAR contains schematic, pcb gerber files, parts list, assembly drawing and user guide.
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HF Transceiver - 9Mhz SSB/CW crystal filter module. RAR contains schematic, pcb gerber files, parts list, assembly drawing.
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HF Transceiver - Receiver module v1-S. RAR contains schematic, pcb gerber files, parts list, assembly drawing.
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HF Transceiver - modulator module v1-S. RAR contains schematic, pcb gerber files, parts list, assembly drawing
and user guide.
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HF Transceiver - pre-power amplifier module v1-S. RAR contains schematic, pcb gerber files, parts list, assembly drawing.
HF Transceiver - Power amplifier module.
This module is kit from QRP labs and is OFF motherboard.
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HF Transceiver - Low pass filter module v1-S. RAR contains schematic, pcb gerber files, parts list, assembly drawing and graphs.
This board is OFF motherboard !
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HF Transceiver - RX TX antenna switch. RAR contains schematic, pcb gerber files, parts list, assembly drawing.
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 - Graphs. 15m & 6m added. RAR contains BPF graphs pictures and crystal filter graph.
6m & 15m has been added !
EFHW antenna transformer 1:49. Download SWR graph.
Direct conversion 4 band receiver - 40m-20m-15m-10m. RAR contains schematic, pcb gerber files, parts list, assembly drawing
Direct conversion 4 band receiver - HEX code .
Linear power amplifier 50W. RAR contains schematic, pcb gerber files, parts list, assembly drawing.
Common mode choke 1:1, improves noise greatly on receiver.
BALUN 1:1 for HF dipole anttenas.
Mini TRX video receive LSB on 40m band
