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Showing Results For: Trimmers, Variable Capacitors
Trimmers, Variable Capacitors
What are Trimmers, Variable Capacitors?
Variable trimmer capacitors are types of automated capacitors used to store electrical charge in a circuit. Where the capacitor’s potential to store electrical charge can be steadily customized, they are typically used in LC circuits. In these circuits, an inductor and a capacitor are embedded to set the frequency, for instance, to tune the TV or radio.
How do variable trimmer capacitors work?
Trimmer capacitors are installed to primarily set oscillator frequency measured values, rise and fall times, and other alterations in a capacitor or circuit. It is necessary that the values drift over the period; trimmer capacitors ensure you recalibrate your devices.
Variable trimmer capacitors are usually mounted directly on a printed circuit board and set by employing a minute screwdriver. Variable trimmer capacitors are mostly cheaper as compared to full-sized variable capacitors.
What is a variable trimmer capacitor used for?
Typical applications incorporate oscillators, tuners, crystal oscillators, and filters. They are also embedded in communication equipment, including mobile radios and aerospace transmitters. These capacitors are made available in SMD or through-hole mounting types and are found in a wide range of voltages and potential capacitive ranges.
Types of Variable Capacitors
- Tuning Capacitors
- Trimmer Capacitors
- Mechanical Capacitors
- Electronic Capacitors
What type of capacitor is a Trimmer?
Trimmer capacitors are miniature variable capacitors. They are mounted straight on the printed circuit board with an embedded actuator to change their value using a small screwdriver.
What is the use of a variable capacitor?
Variable capacitors are commonly employed in L/C circuits to monitor the resonance frequency, such as to tune the radio, and they are often referred to as a tuning capacitor or tuning condenser. It is a variable reactance to stop compatibility in antenna tuners.
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