voltage level shifter design

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krivan

Joined: 26 Mar 2008
Posts: 38

07 May 2009 15:13 voltage level shifter design

Hi,

I need a cmos voltage level shifter circuit which shifts *exactly* 400 mV on a DC analog signal.

I thought about voltage adder/substractor circuit but they are not applicable because of the resistors.

Does anybody have an idea how to shift exactly 400 mV on-chip?

Thx,
Krivan

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oermens

Joined: 19 Nov 2005
Posts: 332
Helped: 37
Location: canada

07 May 2009 16:04 voltage level shifter design

source follower amplifier

krivan

Joined: 26 Mar 2008
Posts: 38

07 May 2009 16:43 Re: voltage level shifter design

Yepp, it is also a good idea. I've already implemented it but I need a circuit from just a couple of transistors which dont occupy a lot of space, like voltage-follower amp.+resistor...