Electronic Siren based NE555

Here the circuit diagram of electronic siren based NE555. This circuit produces a sound like factory siren. It applies a…

55 years ago

150W Power Amplifier

This is the very simple circuit diagram of 150W power amplifier. The circuit is easy enough to built without PCB.…

55 years ago

1500W Power Amplifier

This is a very high 1500W power amplifier circuit diagram by Rod Elliott. The circuit is built using 10 pairs…

55 years ago

65W Power Amplifier using HEXFET

This is a high quality 65W power amplifier circuit based HEXFET IRF9540 and IRF540. The circuit is quite simple for…

55 years ago

4W Bridge Amplifier using LM388

Parts List: R1-2-4-5=270Ω R3 = 2.7Ω VR1 = 10KΩ Log. Pot. TR1 = 470KΩ Trimmer IC1-2 = LM388 C1 =…

55 years ago

Hi-Fi Compressor with Pre-emphasis

Here is the Hi-Fi compressor circuit with pre-emphasis. The above diagram is a circuit for a high fidelity compressor which…

55 years ago

Thermocouple Amplifier using CA3193

Above circuit design is thermocouple amplifier circuit using CA3193 operating amplifier. The CA3193 is an excellent choice for use with…

55 years ago

1W Stereo Headphone Amplifier based TDA2822

Above circuit diagram is the schematic of 1W stereo headphone amplifier. The circuit is built based TDA2822, designed for use…

55 years ago

Western Music Generator based IC HT82207

This is the schematic diagram of Western music generator circuit based on single IC HT82207. This circuit is able to…

55 years ago