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Old July 18th 03, 06:14 PM
JJ
 
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Leigh W3NLB wrote:
On Thu, 17 Jul 2003 19:11:57 +0200, "Tom" wrote:


Hello

If anyone can recommend me a good book from which i will learn to construct
oscillator that for example covers range 0-12 MHz.

Thanks in advance!
Tom



12 MHz is easy. 0 MHz is really difficult.


Zero MHz is real easy, just throw a capacitor, transistor,
resistor, tube, or any other electronic component on the bench.
There, an oscillator that oscillators at zero MHz.

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Old July 19th 03, 08:16 AM
Rob Judd
 
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The ARRL Handbook (any edition).
The Art of Electronics.

Two of the best basic electronics books ever written

Rob


Tom wrote:

Hello

If anyone can recommend me a good book from which i will learn to construct
oscillator that for example covers range 0-12 MHz.

Thanks in advance!
Tom

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Old July 19th 03, 08:16 AM
Rob Judd
 
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The ARRL Handbook (any edition).
The Art of Electronics.

Two of the best basic electronics books ever written

Rob


Tom wrote:

Hello

If anyone can recommend me a good book from which i will learn to construct
oscillator that for example covers range 0-12 MHz.

Thanks in advance!
Tom

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Old July 19th 03, 12:42 PM
Paul Burridge
 
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On Fri, 18 Jul 2003 07:16:07 -0700, W7TI wrote:

On Fri, 18 Jul 2003 14:05:06 +0200, "Tom" wrote:

If you read my original post again or at least the topic, it says 0-12 (not
0, 12) MHz. And that would mean something in the range between 0 and 12. I
don't remember when and WHERE i said that i need 0 MHz oscilator. The only
one who talks about 0 MHz osc is you.


_________________________________________________ ________

Perhaps English is a second language for you, but when you say 0-12 that
will be taken to mean those two frequencies and everything in between.


0 hz is hardly a 'frequency.'
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Old July 19th 03, 12:42 PM
Paul Burridge
 
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On Fri, 18 Jul 2003 07:16:07 -0700, W7TI wrote:

On Fri, 18 Jul 2003 14:05:06 +0200, "Tom" wrote:

If you read my original post again or at least the topic, it says 0-12 (not
0, 12) MHz. And that would mean something in the range between 0 and 12. I
don't remember when and WHERE i said that i need 0 MHz oscilator. The only
one who talks about 0 MHz osc is you.


_________________________________________________ ________

Perhaps English is a second language for you, but when you say 0-12 that
will be taken to mean those two frequencies and everything in between.


0 hz is hardly a 'frequency.'


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Old July 19th 03, 12:42 PM
Paul Burridge
 
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On Fri, 18 Jul 2003 14:05:06 +0200, "Tom" wrote:

Leigh W3NLB wrote:
12 MHz is easy. 0 MHz is really difficult.


If you read my original post again or at least the topic, it says 0-12 (not
0, 12) MHz. And that would mean something in the range between 0 and 12. I
don't remember when and WHERE i said that i need 0 MHz oscilator. The only
one who talks about 0 MHz osc is you.

Big thanks to all other people who gave me good starting points. I was
thinking about some CMOS devices, but most of them are square output.


Feed the square output to a coil+capacitor in parallel and you'll get
a sine wave. Tune the this 'tank' circuit for harmonics of the
funamental and you can double, triple, quadruple and so on the
original square wave's frequency.
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Old July 19th 03, 12:42 PM
Paul Burridge
 
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On Fri, 18 Jul 2003 14:05:06 +0200, "Tom" wrote:

Leigh W3NLB wrote:
12 MHz is easy. 0 MHz is really difficult.


If you read my original post again or at least the topic, it says 0-12 (not
0, 12) MHz. And that would mean something in the range between 0 and 12. I
don't remember when and WHERE i said that i need 0 MHz oscilator. The only
one who talks about 0 MHz osc is you.

Big thanks to all other people who gave me good starting points. I was
thinking about some CMOS devices, but most of them are square output.


Feed the square output to a coil+capacitor in parallel and you'll get
a sine wave. Tune the this 'tank' circuit for harmonics of the
funamental and you can double, triple, quadruple and so on the
original square wave's frequency.
  #28   Report Post  
Old July 19th 03, 04:56 PM
Tom
 
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Paul Burridge wrote:
Feed the square output to a coil+capacitor in parallel and you'll get
a sine wave. Tune the this 'tank' circuit for harmonics of the
funamental and you can double, triple, quadruple and so on the
original square wave's frequency.


Thank you Paul! This is a good hint. Can you tell me in which book did you
learn it? I would really like to get into this stuff.

Regards
Tom


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Old July 19th 03, 04:56 PM
Tom
 
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Paul Burridge wrote:
Feed the square output to a coil+capacitor in parallel and you'll get
a sine wave. Tune the this 'tank' circuit for harmonics of the
funamental and you can double, triple, quadruple and so on the
original square wave's frequency.


Thank you Paul! This is a good hint. Can you tell me in which book did you
learn it? I would really like to get into this stuff.

Regards
Tom


  #30   Report Post  
Old July 19th 03, 04:59 PM
Tom
 
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Rob Judd wrote:
The ARRL Handbook (any edition).


On its way here...

The Art of Electronics.


I have this one and im not too happy with oscillator chapter. However, this
is still one of the best books i've seen.

Regards
Tom


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