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Shift 1v amplitude of clock signal to 2.5v?
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shaq



Joined: 23 Jul 2005
Posts: 442
Helped: 92
Post29 May 2008 3:52   

Shift 1v amplitude of clock signal to 2.5v?
Dear all,

I desing a 2MHz clock signal with 1-v amplitude ( 0 to 1v) . Now, I want to shift to 2.5v amplitude (0 to 2.5v).
What kind of level shifters can be used in this situation?
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FvM



Joined: 22 Jan 2008
Posts: 5161
Helped: 767
Location: Bochum, Germany
Post29 May 2008 7:37   

Re: Shift 1v amplitude of clock signal to 2.5v?
A comparator is always an option for level translation purposes. In your case, I think the most simple solution is a low voltage logic series inverter with a feedback resistor and capacitive coupling of input signal, suitable at least for a near 50% duty cycle. However, if the input signal has slow edges (e. g. sine wave), a comparator would be preferable.
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