How to convert a current transformer to a digital switch

Hello,
I have a Coilcraft current transformer which give me 10 to 50 mv AC for 1 to 5 Amps .
I need to convert the output to a digital 1 or 0, current through, no current
0 = no current
1 = current
In this case if the current transformer give me anything over 10 mv i must get an 1. I mean by 1 the +5vdc to feed to a microprocessor input.
I do not know anything about operational amplifiers, comparators, and the rest.
I would like if somebody have a schematic with parts and value, that i can put it in a breadboard and test it.
Thank you
Ion

Use a comperator for this problem.
You can use the buildin comperator when using thi right chip, or a LM311 when using an external one.

http://www.bristolwatch.com/ele/vc.htm

If speed is not an issue, you could also use a spare ADC pin of your PIC and some IF THEN.

Thanks to every one for suggestions.
My problem here is that the current transformer give me 10 mv AC, which will be 5 mv ac if i take only the positive side of it.
The output also it is a sine wave, so first i have to converted in DC , which will result in a pulsating 5 mv wave at 60 hz.
Then i have to convert that pulsating voltage in a dc line voltage, and in the final to use a comparator.
I tried to use a bridged rectifier for the 10 mv output and i got nothing, almost zero. I assume because the voltage is drooped across the diodes.
I read the page for comparators, but until i can use it, i need to get some kind a decent DC voltage to it.
Any suggestion ?
Best regards
Ion

use an operational amplifier in non-inverted mode. give it a decent gain, and play 'round it

Hi Ion,
Put several turns thru the PRIMARY of the Current Transformer
Full-wave-bridge rectify the secondary (don’t forget the “burden” resistor), put a capacitor on DC from FWB (=peak) use this peak to turn a bipolar transistor on (0.65V). Use the transistor’s Collector / Emitter to pull a logic pin.
-Adam-

This is an other issue of my current transformer Adam. The CT i use, is a PCB type and gives 10 mv for an amp up to 50 mv for 5 amps.