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The following circuit illustrates how to build a variable DC power supply circuit. This circuit is based on the 7805 IC. Features: other output is ... The variable DC power supply circuit utilizing the 7805 integrated circuit (IC) is designed...
The following circuit is a power amplifier circuit for an FM transmitter with an output power of 30 watts. The power amplifier circuit utilizes a power transistor of type 2SC1946A. The FM transmitter operates with a 13.8-volt DC power...
A bridge rectifier capacitor filter serves as a primary power supply for current amplifier circuits. This power supply configuration is straightforward and offers enhanced performance. The bridge rectifier circuit is a full-wave rectifying circuit, meaning it converts both the...
A simple Frequency Shift Keying (FSK) demodulator for 2025 Hz and 2225 Hz can be designed using the LM565, a general-purpose phase-locked loop integrated circuit. This IC includes a stable, highly linear voltage-controlled oscillator that provides low distortion FM...
This circuit can detect whether a train is in a particular drive. The output is TTL and CMOS compatible and can be processed by such a computer. The simple circuit works. The driving voltage is connected to the two...
The transistors VTi, VT3, and VTs, along with the RC components, form three distinct multi-resonator oscillators. The oscillation frequency levels are dependent on the values of Ri, R3, Rs, and Cl, as well as Cz and C3s. The circuit comprises...
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