Test & Measurement Design Ideas

Emissions killers trap common-mode currents

Reduce emissions with chokes and capacitors. Read More...

Multi-decade current monitor the epitome of simplicity

This DI will likely make the simplest piece of T&M gear on your bench. Read More...

In-circuit PROM tester

Maintaining old tech takes some resourcefulness. Read More...

Active load handles high voltages

This electronic load design presses an electric kettle into service as a power resistor. Read More...

Power transient buffer enables IC & circuit testing

This DI lets you use a versatile function generator to test a circuit’s response to power transients and noise. Read More...

Sub-picofarad measurement with CMOS inverters

Measure capacitance down to 2.5pF full-scale using this hex inverter-based design. Read More...

Versatile noise generator tests signal recovery gear

Accurate noise generator allows mixing-in of a clean test signal. Read More...

Simple capacitance meter bins parts

This simple, elegant circuit lets you quickly sort through capacitors. Read More...

Precision capacitance meter

There's an art to capacitance measurement. What do you think of this rendition? Read More...

Convert your smartphone into a pedometer and tracking device

A bit of Python code along with the power of GPS and your smartphone lets you track and record your outdoor excursion activities. Read More...

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