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Trimmer (Semi-Variable Capacitor)

Views: 10     Author: Site Editor     Publish Time: 2018-01-19      Origin: Site

Capacitance can be adjusted within a small range, and can be fixed to a certain capacitance value after adjustment.

Ceramic trimmer capacitor Q value is high, the volume is small, usually can be divided into two kinds of round tube and wafer.

Mica and polystyrene media are usually spring-type East, the structure is simple, but the stability is poor.

Wirewound porcelain trimmer capacitor is removed copper <external electrode> to change the capacitance, so the capacity can only be smaller, not suitable for repeated use of the occasion to debug


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