An operational amplifier (op-amp) is an integrated circuit (IC) that amplifies the difference in voltage between two inputs. It is so named because it
Analog Integrated Circuits (ICs) are electronic circuits that process analog signals. They are an essential component of most electronic devices and c
IF Filters and RF Filters What are IF filters and RF filters? Intermediate frequency filter: Intermediate frequency filter (IF filter for short) is an
A surface acoustic wave (SAW) filter is an electrical filter that uses sound waves to remove specific frequencies from a signal. When an electrical si
What is a photodetector? A photodetector is a device that converts light signals into electrical signals. Its basic operating principle involves the p
An electrolytic capacitor is a special type of capacitor that uses an electrolyte liquid or solid to achieve charge separation and storage between pla
A thermistor is a resistor device whose resistance changes with temperature. This change can be linear (as in certain types of thermistors) or nonline
An attenuator is a device or component used to reduce the strength or energy of a signal. It is commonly found in electronics and communications, and
A contactor is an electrical device used to control the current in a circuit, similar to an electromagnetic switch. It usually consists of an electrom
A solenoid is an electromagnetic device that generates a magnetic field by passing an electric current through it and uses the magnetic field to gener
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