Schematics

Sampler with demod port

Switched Attenuator Schematic

Touch Paddles Schematic

All available product schematics are located here, for user guides click this button:

TDR using 12 v DC Power

Crystal Tester/Checker

LM386 Amplifier Kit

Test & Measurement

Mini Iambic Schematic

Audio & Related

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Morse & Related

CPO with Pitch control

Crystal Calibrator Schematic

Code Practice Oscillator

Touch Key Schematic

TDR with USB Power