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Electronic power relay for 12V DC supply circuit
RF cuircuits for SSB receiver
Group of 2 filters. Each one is 8-crystal filter, 10.7 MHz
DC-DC converter made on LM2576adj
PCB for SSB SW one convertion receiver
RF selector for 4 SW bands for SSB receiver
pcb for 16 buttons Keyboard for ATmega128 controller
Group of 4 input RF circuits
Group of 2 RF preamplifiers for SW radio band
RF selector for 12-band broadcast receiver
DC-DC converter made on LM2576 for 2 outputs
RF selector for 4 bands below 15 MHz for SSB receiver
pcb for 22 buttons Keyboard for ATmega128 controller
pcb for 12 buttons Keyboard for ATmega128 controller
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