Category Archives: Control Electronics

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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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Stepper Motor Control, No Microcontroller Needed

motor-stepper-control

Stepper motor is a simple way to make a motion control with high precision. A stepper motor control circuit is needed to make stepper motor works. A stepper motor controller usually use a microcontroller to make a complicated task. Some … Continue reading

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Motor Speed Control Using PWM

pwm-motor-control

Pulse width modulation or familiarly known as PWM is used to control the delivered power to load without loosing the efficiency. The speed of an electric motor is controlled by controlling the power source of the motor. The simplest method … Continue reading

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