sine to square wave converter

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marcdavidson

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Hi,
I need to convert a 2v p-p sine wave with a frequency range of 1Hz to 100kHz to a 0-5v square wave with the same frequency.
What is the best way to accomplish this?
Thanks
 
A few more details about what I'm trying to do. The input is a RF signal that I'm assuming oscillates between -1v and +1v. I want a square wave that goes from 0v to 5v with the same frequency. I also would like to use a single supply Vcc. So specifically what would the circuit look like and what comparator op amp should I use? Pinouts on the op amp would be helpful as well.
Thanks
 
You could also use an inverting logic gate.

Connect both inputs together, a 10M resistor between the output and input and couple the signal to the input via a 470pF capacitor. I'll post a schematic, if you don't know what I mean.
 
Hero999 said:
You could also use an inverting logic gate.

Connect both inputs together, a 10M resistor between the output and input and couple the signal to the input via a 470pF capacitor. I'll post a schematic, if you don't know what I mean.
Click to expand...
That ain't gonna work at 1Hz.
 
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