Ideas for Design

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Ideas for Design

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Analog

Instrumentation Amplifier Simplifies Audio Distortion Tests

A critical measure for all audio components is distortion, typically specified as total harmonic distortion (THD) or total harmonic distortion + noise (THD+N). THD is defined ...
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DC-DC Converters

Dostal's Designs: Selecting the Right Inductor Current Ripple

How exactly is the correct inductance value chosen? Frederik Dostal looks at the considerations and what happens when selecting a current ripple that’s too high or too low.
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Ideas for Design

Dostal's Designs: Limit Current with Integrated MOSFET

Excessive current flow must be prevented so that the electrical circuit can be reliably protected.
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Ideas for Design

Dostal's Designs: Compact UPS with Supercap

Continuous supply voltage via an uninterruptible power supply is crucial for a number of applications, but it can be tough to ensure at all times. This Idea for Design offers ...
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Ideas for Design

Dostal's Designs: One-Inductor Supply

With a single-inductor, multiple-output (SIMO) converter, multiple voltages can be generated with just one energy-storage inductor, providing for a more compact power-supply architectur...
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Power

Adding a Flexible Current Limit

Voltage converters rarely offer an adjustable current limit. However, a high-side N-channel MOSFET static switch driver offers a possible solution to not only limiting current...
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Power

Using PoL DC-DCs to Solve Voltage Accuracy, Efficiency, Latency Issues

Rather than implement a space-consuming controller FET solution to handle high currents, a monolithic PoL converter with internal FETs might be the right answer for your design...
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Ideas for Design

Use Bode Plots to Meet Dynamic-Control-Behavior Requirements

The speed and regulation stability of the control loop for a power supply’s fixed output voltage can be observed and assessed with a Bode plot. Here’s how it’s done.
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Ideas for Design

Linear Monostable Converts Capacitive Transducer Measurements into Pulse Train

This Idea for Design discusses a circuit that not only converts transducer measurements, but also delivers two pulses to control counter functions like Latch and Reset.