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A phototransistor, also referred to as a photosensitive transistor, is primarily utilized as a photosensitive device. It is characterized by its ability to adjust impedance in relation to the intensity of incoming light, similar to that of photosensitive resistors...
The power amplifier Hi-Fi OCL 120W RMS is designed to operate effectively when paired with a suitable power supply circuit and 8-ohm speakers. This circuit exclusively utilizes transistors without any integrated circuits, resulting in a clean sound output. The...
This circuit illustrates a color sensor circuit diagram. The design is grounded in the principles of optics and digital electronics. The color sensor circuit typically employs a light-sensitive component, such as a photodiode or phototransistor, to detect and differentiate colors...
The device employs a microammeter with a full-scale deflection of 50 µA and a resistance of 2 kilohms. The upper limit of the voltmeter's measuring range is 1 V, and within the range of 0.2 to 1 V, the...
The circuit comprises four main components: a binary counter, a digital-to-analog (D/A) converter, a voltage-controlled oscillator (VCO), and an audio output amplifier. The counting speed of the binary counter is influenced by the frequency output from the VCO, which...
This circuit employs a phototransistor along with four operational amplifiers to function as a total energy detector. It is designed to measure the total energy of optical pulses transmitted through an optical cable communication system. When the light intensity...
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