This page discusses many types of wideband amplifier circuits. These amplifiers are utilized in a variety of high frequency applications in electronics. We’ll talk about how they operate and what makes them unique for specific RF circuit designs. A wideband amplifier is a circuit that boosts electronic signals over a wide range of frequencies, making […]
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How to Measure Very Low Current [Circuit Diagram]
Accurately measuring very low currents of a few microamps or less using a regular panel meter or multimeter is not feasible. To make such precise measurements, you need to employ an active circuit, like the one depicted here. This circuit low current ammeter circuit can be constructed as a self-contained unit or integrated into an […]
Sleeping Aid Circuit
The sleep aid circuit appears to be particularly effective when used with young children experiencing restless nights. This can, in turn, contribute to the entire household enjoying uninterrupted sleep. With the sleep aid device operating next to you, you can customize the volume and depth settings according to your mood. Then, recline and focus your […]
Simple Ceiling Fan Regulator Circuit
A simple electronic ceiling fan regulator circuit using a triac and a diac is a common type of circuit which is used to control the speed of a ceiling fan. This circuit basically works using phase control principle, in which the voltage supplied to the fan motor is varied by controlling the firing angle of […]
GSR Sensor Circuit for Biofeedback Measurements
In this post I have explained how to build a very simple GSR sensor circuit using just a couple of transistors and a few other passive components. A GSR (Galvanic Skin Resistance) sensor, also known as a skin conductance or electrodermal activity sensor, measures the electrical conductance of the skin, which changes in response to […]
3 Useful Temperature Alarm Circuits Explained
In this post I have explained the working of 3 interesting and useful temperature alarm circuits through detailed circuit diagrams. A temperature alarm circuit is basically a device which is designed to detect a temperature threshold and sound an alarm as soon the temperature exceeds over, or drops below the desired temperature detection threshold. 1) […]