The variable capacitor is a continuously variable capacitance capacitor.The semi-variable capacitor can be adjusted within a small range, usually between 5 ~ 45 pF.Variable capacitors are commonly used in circuits where frequency needs to be adjusted. As the stiff mechanical adjustment, there are many drawbacks, such as contact noise, easy to oxidize lead to poor contact, high natural deterioration rate.
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TDK Corporation (Tokyo Stock Exchange: 6762) Introduced CeraLink FA type capacitors with modular flexible assembly technology to further expand the lineup of proven CeraLinkTM capacitors. The new type of capacitor has a space-saving design with two, three or even ten identical capacitors connected in parallel on the same terminal to increase the capacitance.
STMicroelectronics' two new microcontroller product lines enhance the energy efficiency, functional integration and design flexibility of the STM32F4 basic product line high-end products to meet the technical requirements of high-performance embedded design. These STM32's latest microcontrollers operate at temperatures up to 125 ° C , featuring always-on sensors and general industrial equipment, providing a robust, reliable and cost-effective system upgrade for STM32F1 applications .