Category Archives: Power Supply

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MAX1703 Single-Cell Boost Converter Circuit

When you design a circuit with only a single-cell battery, you will need boost-converter to provide enough voltage for most ...

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55MHz Scope Sensitivity Amplifier

Scope sensitivity amplifier is a vital front-end signal processing for every scope instruments. The function of this circuitry is simple: ...

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Two-Band Bxandall Active Tone Control

Using active circuit for tone control means that we can provide cut and boost, maintaining overall amplifying factor of original ...

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Pulse Width (PWM) Controller Circuit

A LM3900 quad operational amplifier can be used to build a pulse width (PWM) controller. The LM3900 was chosen because ...

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Small TV Modulator Using A Motorola MC1374

How can television modulator be small and simple like this? First, it uses integrated circuit, and the second, any TV ...

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LM10 Shunt Regulator

Shunt regulator is equivalent with zener diode regulator, where you can connect the circuit in series with a resistor and tap the output at the junction. With LM10, we can build more stable regulator (compared to zener diode version). Here … Continue reading

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LM10 Current Regulator

Current regulator acts like a load when connected to a voltage source, or in series between voltage source and real load. The main characteristic of a current regulator circuit is that it will try to keep the current flowing through … Continue reading

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LM10 Voltage Regulator

As long as we have a stable voltage reference, a stable voltage source can be produced by amplifying the reference. LM10 provide both the reference and the amplifier, so it need no additional external components to build such system. Here … Continue reading

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Isolated 15 to 1000V DC-DC Converter

The circuit shown in the schematic diagram below is an isolated dc-to-dc step up converter. Being isolated means that there is no electrical connection between the input and the output. We can say that there will be no current or … Continue reading

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