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The ZX97 was developed as a discrete replica of the ZX81, which served as the first personal computer for millions. However, the ZX97 evolved into more than just a simple copy. While maintaining backward compatibility with the ZX81, it...
The circuit utilizes a 10 kHz and 3 kHz LM565CN to create an FM demodulation setup. The output diagram (b) illustrates the differential demodulation outputs V1 and V2 from the differential amplifier A1, which provides level displacement and amplification....
The system includes a gas-sensitive sensor element QM (type QM-N5), a buck rectifier, and regulator circuits, integrated circuits KD28, a speaker Y, and other components. The buck regulator circuit features a transformer rectifier and a bridge rectifier comprising diodes...
The Dynaco Mark III is the highest power amplifier that was widely sold under the Dynaco name. There was a higher power amp (the Mark VI), but it wasn't widely available. The Dyna MKIII has a basic design flaw...
This circuit provides an initial voltage of 2.5 V per cell at 25°C to quickly charge the battery. As the battery charges, the charging current decreases, and when it drops to 180 mA, the charging circuit reduces the output...
Flyback LED drivers are versatile as they can be utilized in applications with input voltages either above or below the necessary output voltages. They feature a straightforward circuit configuration that maintains a constant LED current without the need for...
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