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how to change level?

 
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xz781122



Joined: 19 Nov 2004
Posts: 40


Post12 Jan 2005 8:34   how to change level?

i am studying analog-digital ciruits now.i want to do some simulations in pspice.But i don't know how to change the digital componets' work level.The default work level is 5V.How can i change it to 3V. i try a part called “digital interface pwr",but it didn't work.who can do me a favour?
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alanbrooke



Joined: 13 Feb 2004
Posts: 40


Post12 Jan 2005 9:31   Re: how to change level?

You could use a 5V device inverter connect to 3.3V power and transmit 5V signal to 3.3V signal, takecare of dutycycle problem.
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