How can I switch 220V~ at a fast rate without a relay?

Subject: How can I switch 220V~ at a fast rate without a relay?

Date: Thu Jan 3 06:49:28 2002
Posted by sander
Grade level: grad (science) School: HvA
City: Amsterdam State/Province: Noord-Holland Country: Nederland
Area of science: Engineering
ID: 1010058568.Eg

Message:


I want to switch 220V~ and keep the sinusform. I want to controle the switch 
with my computer or a microcontroller(low voltage). 
I don't want to use a relay or solid state because I must switch very often. I 
already tried a triac but the distortion is must to big. The current through 
the citquit is about 80mA.
Can Somebody help me?

Re: How can I switch 220V~ at a fast rate without a relay?

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