Hi,
I m in a difficulty. I have to make an A.M ciever. I m finding it very difficult. Any one of all can help me in building a simple A.M reciever. ever any body nade it Himself.
Please help me with in 10 minutes

 

If you search google for AM receiver circuits you will get many.

 

You have got to be kidding.

Wikipedia, Crystal Radio

 

Here's one design based on the 1N34A. Can you build it in the 3 minutes remaining? http://people.cs.uu.nl/gerard/RadioCorner/Sets/OpenKris.htm

John

 

Thanks to all
Major

 

So what happened? You had 10 minutes to make an AM reciever in Pakistan... seems like there must be a story here.

 

The story is that he didn't know about Google and he can't spell in English.

 

Just out of curiosity... What year did the first commercial AM radio station go on the air?

 

The first receiver I built was a coil of magnet wire around a toilet paper tube with a germanium diode and an earpiece. My soldering sucked back then.

Just out of curiosity... What year did the first commercial AM radio station go on the air?

Election Day (in the US), 02 November 1920, station KDKA. This was another Westinghouse money-making idea.

 

If i want to operate a stepper motor like i input a number with keypad digitally and the motor takes steps regarding the input. How it could be possible?

 

A microcontroller is well suited to this task. As the requirements are not particularly burdensome, just about any microcontroller could do the job.