Found in a 90s Electronic Engineering, this circuit generates sinusoidal signals that depend on the capacitors. The potentiometer adjusts the generated signal symmetry.
This stabilized source can supply currents up to 200 mA with the indicated transistor or 500 mA...
This simple circuit controls the brightness of an LED from LDRs, NTCs, PTCs or other resistive sensors....
This peak indicator for stereo amplifiers uses a CA3130. The 80's circuit does not need a...