Switched Attenuator Schematic
CW Filter White on Black
2 Port Switch
Touch Paddles Schematic
Test & Measurement
Mini Iambic Schematic
Audio & Related
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Morse & Related
CPO with Pitch control
Crystal Calibrator Schematic
Keying Adapter
Electronics & Physics
Switched Range Marker
Code Practice Oscillator
RX & TX + Allied
CW Filter Black on white
Touch Key Schematic
TDR with USB Power
Geiger Counter
Crystal Tester/Checker V2
tracER
TDR using 12 v DC Power
LM386 Amplifier Kit
Iambic Practice Oscillator V3.00
Iambic Practice Oscillator
Sampler with demod port
All available product schematics are located here, for user guides click this button:
Crystal Tester/Checker
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RF Marker Schematic
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