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 Aircraft Radio Communications Receiver		  New Topic  Reply to Topic
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FlyingDutchman
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2 Posts
Posted - Aug 16 2010 :  10:54:59 AM  Show Profile  Send FlyingDutchman a Yahoo! Message  Reply with Quote
Hi, I'm quite new in electronics, but I wanted to try this circuit anyway. I used a 1N60 Diode, but I was wondering if the diode in the circuit is placed correctly. And also, I see +9V, but where should I place the -?

Thank you very much

audioguru
Nobel Prize Winner

Canada
4218 Posts
Posted - Aug 17 2010 :  10:20:10 AM  Show Profile  Reply with Quote
quote:
Originally posted by FlyingDutchman

I used a 1N60 Diode, but I was wondering if the diode in the circuit is placed correctly.

The circuit can use any germanium diode. The diode is shown correct for an AM detector diode.

quote:
I see +9V, but where should I place the -?

It connects to the circuit's ground.

The frequency is very high so it will not work if you make it on a breadboard.
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FlyingDutchman
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2 Posts
Posted - Sep 10 2010 :  2:59:04 PM  Show Profile  Send FlyingDutchman a Yahoo! Message  Reply with Quote
and do you have any ideas of what kind of speaker I should use?
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audioguru
Nobel Prize Winner

Canada
4218 Posts
Posted - Sep 10 2010 :  6:30:36 PM  Show Profile  Reply with Quote
The very simple circuit drives a power amplifier that drives a speaker.
You could use an LM386 little power amplifier IC and a little 8 ohm speaker.
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