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'[EE]: pll'
2001\12\11@180711 by juan manuel garofalo

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Hi,

I'm looking for an schematics for a basic pll. This is for learning
purposes, so i'd need a pll built from discrete components. I don't need any
specific frequency range, so it could be a pll for FM or motor speed
controlling, or something along these lines.

If anybody knows of some article in the web featuring such a thing, please
let me know.


Thanks in advance!


jm

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2001\12\12@082008 by Vasile Surducan

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Search for 561 or 565 PLL chips. Theory is inside the data sheet.

On Tue, 11 Dec 2001, juan manuel garofalo wrote:

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2001\12\12@083421 by Wollenberg, Frank

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Look at http://www.chipcenter.com/wireless/app001.html

Regards,
Frank

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2001\12\12@091629 by J.Feldhaar

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Hola Juan Manuel,

I personally have found the book by Dean Banerjee very interesting, it
is downloadable on National SEmiconductors' website, can also be bought
at Amazon

The URL is: http://www.national.com/appinfo/wireless/files/DeansBook_4_01.pdf

Hope this helps...

Jochen Feldhaar DH6FAZ

juan manuel garofalo schrieb:
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'[EE]: PLL'
2002\06\15@193639 by rusque (listas)
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Hello,

   I'm looking for informations about using PLLs (Phase Locked Loops) at
low to mid frequencies (from 20Hz to 50kHz).

   I've googled the web, searched National's ANs and just can't find how to
use a 4046 to detect a frequency like Peter L. Peres sugested in a reply to
Dale Botkin about guitar tuners.

   Also, other examples would be very usefull, as how to filter a 30kHz
signal from a complex waveform etc.

   There's some "PLL Cookbook" on the web? Any usefull application notes?

   Thank you,

   Brusque

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2002\06\15@210315 by Rick C.

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Don't know on the web but this is what I have that has the 4046 and some
circuits for it.
www.amazon.com/exec/obidos/ASIN/0750699434/104-1049940-9011129
Rick

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2002\06\15@215853 by Tal Dayan

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There is an analog chip that is intended to detect reselected frequency. LM
something if I recall correctly. If nobody will come with the chip name, let
me know and I will check up on Monday at work.

Tal

> {Original Message removed}

2002\06\16@065855 by Jinx

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> I've googled the web, searched National's ANs and just can't
> find how to use a 4046 to detect a frequency

The LM567 will do up to 500kHz if you'd like to think about
it as an alternative

http://alds.stts.edu/datasheet/Peripheral/LM567.pdf

(includes some sample circuits)

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2002\06\16@174309 by Peter L. Peres

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Tal: LM567

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2002\06\16@174320 by Peter L. Peres

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On Sat, 15 Jun 2002, Edson Brusque (listas) wrote:

>Hello,
>
>    I'm looking for informations about using PLLs (Phase Locked Loops) at
>low to mid frequencies (from 20Hz to 50kHz).
>
>    I've googled the web, searched National's ANs and just can't find how to
>use a 4046 to detect a frequency like Peter L. Peres sugested in a reply to
>Dale Botkin about guitar tuners.

What is the problem ? Get a datasheet and use this connection:

(stop - I can't find my ancient CMOS applications book now). Here are
connections from a schematic I developed before:

3,4 5,8 gnd 150pF between 7 and 8 input on 14 (capacitive coupled) PLL
components between 13,9 and GND as in the data sheet (in my case R between
13 and 9 and C from 9 to GND) VCO tune and pad resistors to gnd from 11
and 12 resp. demod out from 10 from a r to gnd (~10k) if needed.

You want the VCO signal to go to the PIC, that is pins 3 and 4 in this
case. It is CMOS level oscillator output (suitable as input to a PIC).

The 4047 is user friendly and if you have a scope you will get it to work
very fast. My notes say you need 250mV (pk) in to work at 150kHz and 5V.

Definitely read a PLL cookbook. I am sure someone will recommend one on
the web.

Peter

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2002\06\16@181148 by PY2NI

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   Take a look at LM567 Tone decoder.

Regards
Horta

-----Mensagem original-----
De: Tal Dayan <RemoveMEtalspamTakeThisOuTZAPTA.COM>
Para: PICLISTEraseMEspam.....MITVMA.MIT.EDU <EraseMEPICLISTspamMITVMA.MIT.EDU>
Data: Sábado, 15 de Junho de 2002 22:51
Assunto: Re: [EE]: PLL


>There is an analog chip that is intended to detect reselected frequency. LM
>something if I recall correctly. If nobody will come with the chip name,
let
>me know and I will check up on Monday at work.
>
>Tal
>
>> {Original Message removed}


'[EE]: PLL'
2002\07\06@190639 by Brandon Irwin
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Just to add to the list of info,

Harry Lythall has a good explanation about PLL's, including different parts
you can use.
http://w1.859.telia.com/%7Eu85920178/conv/syn-info.htm

Through his main site, you can also find datasheets for PLL parts...
http://w1.859.telia.com/%7Eu85920178/

Brandon Irwin

At 16:35 6/15/2002, you wrote:
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