Category Archives: Test and Measurement

Featured Posts

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 ...

Read More

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: ...

Read More

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 ...

Read More

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 ...

Read More

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 ...

Read More

Crystal Tester

crystal-tester

Quartz crystal tester is needed if you want to know whether the crystal is good or bad (broken).  This crystal tester gives LED light indicator. If the crystal under test is good, the LED indicator will light, and stay off … Continue reading

Posted in Test and Measurement | Tagged | Comments Off on Crystal Tester

Inductance Meter Adapter Circuit, Turns Your Digital Voltmeter to Inductance Meter

inductance-meter-circuit

Measuring inductance is important in making your hand-made inductors, especially when you do-it-yourself (DIY) your coil winding. An inductance meter adapter circuit would be helpful since you can measure inductance using your general purpose digital voltmeter (DVM). This circuit cost … Continue reading

Posted in Test and Measurement | Tagged | Comments Off on Inductance Meter Adapter Circuit, Turns Your Digital Voltmeter to Inductance Meter

Capacitance Meter Circuit

capacitance-meter-circuit

Capacitance meter is one instrument that you should have in your toolbox if you are an electronics hobbyist, or if you’re a professional electronic technician. If you can’t afford to buy such instrument or you you can’t find it on … Continue reading

Posted in Test and Measurement | Tagged | Comments Off on Capacitance Meter Circuit
« 1 ... 18 19 20 21 22 23 24 25 26 27 28 29