Circuit Schematics

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A reference collection of fundamental hardware circuits and topologies.

Buck Converter

DC-DC Buck Converter

Step-down switching regulator topology for efficient voltage reduction.

Boost Converter

DC-DC Boost Converter

Step-up switching power supply utilizing inductor energy storage.

555 Timer

555 Astable Multivibrator

Classic square wave oscillator circuit with adjustable duty cycle.

Inverting Op-Amp

Inverting Amplifier

Standard Operational Amplifier configuration for negative gain scaling.

Low Pass Filter

1st Order Low-Pass Filter

Passive RC network designed to attenuate high-frequency signals.

High Pass Filter

1st Order High-Pass Filter

RC network used to block DC components and pass high frequencies.

H-Bridge

H-Bridge Motor Driver

Switching array enabling bidirectional DC motor control.

Schmitt Trigger

Schmitt Trigger

Comparator circuit with positive feedback hysteresis for noise immunity.