☑ Variable Capacitor Am Fm

Something tells me that it is a variable capacitor but i wanted to ask this question to verify it. Bought for a passive medium wave am loop antenna and there arent many choices these days for an old school variable capacitor.

Original New 100 Am Fm Pvc Radio Medium Film Variable

Oscillator

Poor Mans Electronics Web Page Crystal Radio

I rummaged around and took apart an old sony radio that had this component in it.

Variable capacitor am fm. I am not sure you have am fm radio in your country assuming the tuning is for am stations. A variable capacitor is a capacitor whose capacitance may be intentionally and repeatedly changed mechanically or electronically. Variable capacitor am fm products are most popular in north america eastern europe and oceania.

Inside they typically consist of four individually ganged variable capacitors where two gangs of variable capacitance are for the am side and two gangs of for the fm side. Alps 4 gang air variable capacitor 20pf 320pf fm am crystal radio antenna tuner balun shortwave loop ham amateur radio diy kit project. The top supplying country or region is china which supply 100 of variable capacitor am fm respectively.

F 1 2pi sqrtlc l 1 2pi f2. I have no variable capacitor. It is normally used in a radio capable of receiving am and fm bands.

Capacitor 60pf 160pf average c 110e 9 farad. First single gang capacitors option 1 option 2. Out of the box the capacitor is fine but be very careful when mounting the capacitor.

What missing is the coil the coil is parallel with the variable capacitor for tuning to a certain frequency. For impedance matching in antenna tuners. Am 530khz 1700khz average f 1 115 000 hz.

Mine looks like the one in the picture except it has a nice big gear attached to it which makes it easier to turn. That variable capacitor is off an old amfm tape deck from the late 90s. Variable capacitors are often used in lc circuits to set the resonance frequency eg.

Any ideas on an alternative circuit for a variable capacitor. It was in pretty bad shape so i decided to salvage it for parts. There are 17 variable capacitor am fm suppliers mainly located in asia.

I want to make a very simple fm radio but have run into a bit of a problem. The top white disk is rotate able. Your two wire for connections to the radio.

Cylewet 12pcs trimmer variable capacitance ceramic 6mm capacitor kit 5pf 10pf 20pf 30pf 40pf 60pf for arduino pack of 12 cyt1018. An old school variable capacitor. I am working on a simple fm radio transmitter and i was looking for a variable capacitor to help tune the circuit.

How to hook up a variable capacitor. There you have it. How to wire a variable capacitor.

The first priority is to determine which is the fm side and the am side. Now two gang capacitors this is the typical wiring for a two gang vcap refer to photo below this is my common to the frame or body of the capacitor. To tune a radio or as a variable reactance eg.