[time-nuts] PLL book 3rd edition

KA2WEU at aol.com KA2WEU at aol.com
Tue Mar 8 06:18:19 EST 2016


Good Morning,
 
technically you are correct, most buy what they find and live with a  
compromise. But companies like mine, R&S, test equipment , need superior  
performance and many parts which we need, we have made by foundries. Numerically  
controlled oscillators belong to this and modern IQ modulators and arbitrary  
wave form generators are the norm., much better then many analog  type  
designs.  Most chips on the market are compromises for power consumption  and  
phase noise. We now have fraction and integer chips with a noise floor  of 
-172 dBc/Hz up to 22 GHz and many  MHz off and these require  careful planing 
and are needed for high end test equipments. But maybe my  application is 
too special . For me Hittite takes too much power and all these  companies 
make nice parts nut not really leading edge parts. Keysight could  not build 
many "boxes" without their own designs, architecture and  hardware like 
oscillators  
 
Thanks, Ulrich .
 
 
 
 
In a message dated 3/7/2016 10:33:29 P.M. Eastern Standard Time,  
richard at karlquist.com writes:

I know  for me, I mainly use the "synthesizer on a chip" IC's
from Analog  Devices/Hittite and National.  Their data sheets
and ap notes serve as  the "textbook".  I'm not sure there
will be much call going forward  for a book on fundamentals
that explains how to design synthesizers from  first
principles using basic building blocks.  Having  designed
PLL's for over 40 years, I know all about how to do this,
yet  is now a nearly useless skill with the IC's now available.
Only the IC  designers themselves need these skills.
Occasionally I find myself  mentoring these guys in the
hope of getting better chips to buy :-)   (I have a
patent on a phase detector design that was made into
a chip,  but the chip is built by Keysight's captive
foundry which doesn't sell much  to the merchant market.)

No criticism of the book; it's just a market  issue.

Rick N6RK

On 3/7/2016 4:52 PM, KA2WEU--- via time-nuts  wrote:
> To all :
>
> I have published the following  book
>
> " Microwave and Wireless Synthesizers: Theory and Design,  Ulrich L.  
Rohde,
> John Wiley & Sons, August 1997, ISBN   0-471-52019-5."
>
> and  have since kind of drifted into the  VCO und high stability
> oscillators.
> The  first  edition
>
> "Digital PLL Frequency Synthesizers - Theory and  Design, Ulrich L.  
Rohde,
> Prentice-Hall, Inc., Englewood Cliffs,  NJ, January 1983  "
>
> has sold more then 10 000 copies. Is  there any of you out  there who 
would
> like to take over a needed  update and take over the resulting  revenues 
and
> unfortunately  also the work and glory and who feels qualified to so  ?
>
>  As I am more or less now in microwave technology and less in  PLL IC's,  
I
> hate to see this standard textbook disappear.... Who can help  or  want to
> take over?
>
>  Ulrich
>
>
>
>
>
>
> In a message  dated 3/2/2016 12:04:00 P.M. Eastern Standard Time,
> time-nuts at febo.com  writes:
>
>
>
>
> In a message dated 2/16/2016  9:03:59 A.M. Eastern  Standard Time,
> time-nuts at febo.com   writes:.
>
>  http://www.synergymwave.com/articles/2016/calculation-of-fm-and-am.pdf
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