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'[EE] simple radio reciver help please'
2006\12\23@024708 by Jared Duron

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I built a 12Mhz radio transmitter. now i need to build a reciver for
it. what would be the simpleist way i could build a 12mhz reciver.

2006\12\23@034120 by Steve Smith

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Crystal set !

1 coil
1 capacitor
1 diode

Steve (well it classifies as simple)



-----Original Message-----
From: spam_OUTpiclist-bouncesTakeThisOuTspammit.edu [.....piclist-bouncesKILLspamspam@spam@mit.edu] On Behalf Of
Jared Duron
Sent: 23 December 2006 07:47
To: Microcontroller discussion list - Public.
Subject: [EE] simple radio reciver help please

I built a 12Mhz radio transmitter. now i need to build a reciver for
it. what would be the simpleist way i could build a 12mhz reciver.

2006\12\23@051649 by Gerhard Fiedler

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Steve Smith wrote:

>> what would be the simpleist way i could build a 12mhz reciver.

> Crystal set !
>
> 1 coil
> 1 capacitor
> 1 diode

That's about how I started with electronics. Even though at that time I was
pretty excited with it, the real fascination with the fact that something
as simple as that can actually be used to listen to radio didn't come to me
until much later:)

Gerhard

2006\12\23@052704 by Tom Sefranek

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Jared Duron wrote:

>I built a 12Mhz radio transmitter.
>
What modulations did you use?
AM?
SSB?
FM?
DPSK?

What do you intend to receive?
What is you application?

> now i need to build a reciver for
>it. what would be the simpleist way i could build a 12mhz reciver.
>  
>
Tom

--
 *
 |  __O    Thomas C. Sefranek   WA1RHPspamKILLspamARRL.net
 |_-\<,_   Amateur Radio Operator: WA1RHP  
 (*)/ (*)  Bicycle mobile on 145.41, 448.625 MHz

hamradio.cmcorp.com/inventory/Inventory.html
http://www.harvardrepeater.org


2006\12\24@014114 by Jared Duron

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AM modulation, and i intend to recive an analog signal. (not voice,
but it is sound)

On 12/23/06, Tom Sefranek <.....tcsKILLspamspam.....cmcorp.com> wrote:
{Quote hidden}

> -

2006\12\24@021852 by Steve Smith

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Ok  a crystal set with gain....

Look up a ZN414 it's a 3 terminal RF block you need
1 coil
1 capacitor
1 resistor
1 ZN414
And a 2.4v battery

Worlds second simplest radio

STeve

{Original Message removed}


'[EE] simple radio reciver help please'
2007\01\03@232826 by Vitaliy
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Steve Smith wrote:
> Ok  a crystal set with gain....
>
> Look up a ZN414 it's a 3 terminal RF block you need
> 1 coil
> 1 capacitor
> 1 resistor
> 1 ZN414
> And a 2.4v battery
>
> Worlds second simplest radio

This will not very well at 12MHz, unless we're talking about a very powerful
transmitter or very short distances. For good selectivity, you would need to
use the ZN414 in a superhet configuration (w/ a transistor mixer and
oscillator circuit), but then it's no longer "world's second simplest radio"

Super-regenerator may be ideal for this application, however... OP: can you
provide a better description of the application? What exactly are you trying
to accomplish?

Best regards,

Vitaliy

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