Hall Effect Circuits

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Based on 51 single-chip design and production of infrared remote control car
LowCost Spectrum Analyzer
Power Supply for the SSY-1 YAG Laser
The Telegraph Time Machine
A combination of common-source grounded base amplifier formed by cascaded amplifier
BA6104 Five-digit LED level meter driver IC Basic Application Circuit
555 Pocket digital frequency meter schematic
0-30V Lab Variable Power Supply