Constant Current Regulator Circuit Diagram Constant Current Regulator Circuit Diagram

Constant Current Regulator Circuit Diagram This fixed 1-mA current source delivers a fixed current to a load connected between Q1'...

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Active Antenna Circuit Schematic Active Antenna Circuit Schematic

Active Antenna Circuit Schematic This circuit is designed to make a short pull-up aotenna perform like a long wire aotenna, while off...

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Switch Mode Voltage Regulator Circuit Diagram Switch Mode Voltage Regulator Circuit Diagram

Switch Mode Voltage Regulator Circuit Diagram Switch-mode power supplies offer the benefit of a much greater efficiency than obtainab...

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Short circuit protection circuit diagram Short circuit protection circuit diagram

Short circuit protection circuit diagram Short circuit protection circuit diagram Circuit Description When Sl is pressed, the coil ...

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5 volt variable power supply circuit 5 volt variable power supply circuit

5 volt variable power supply circuit  Circuit Description Although linear-regulator !Cs are frequently used in variable power-supply ...

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12v power supply circuit 12v power supply circuit

12V Power Supply Circuit Diagram 12v power supply circuit Description This 12-V power supply is easy-to-build, and it produces a ...

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Low battery indicator circuit diagram Low battery indicator circuit diagram

Low battery indicator circuit diagram Description The sensing circuit consists of a 741 op amp set up as a voltage comparator, usin...

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8w audio amplifier circuits 8w audio amplifier circuits

This audio power amp (built around an LM383 8-W, audio power amplifier) can be used to boost an audio signal to a sufficient level so that i...

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AC/DC converter circuit AC/DC converter circuit

AC/DC converter circuit A de level is produced that corresponds to the ac input rms value (if sine wave). i; set the gain of IC2 to 1.1...

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12V BATTERY CHARGER CIRCUIT 12V BATTERY CHARGER CIRCUIT

This high-performance charger quickly charges gelled lead-acid batteries, and turns off at full charge. At first, the charge current is held...

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