DPDT FET switch circuit

Published:2011/7/12 10:13:00 Author:John | Keyword: DPDT FET switch, FET | From:SeekIC

DPDT FET switch circuit is as shown. When the FET is inducted, the resistance of the drain channel can be up to thousands of MΩ. Therefore, FET can constitute an ideal low-frequency switch. Capacitance of ends of the FET is not good to do isolation for high-frequency signals. Thus, response time can be increased and maximum operating frequency can be limited.



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