[hpsdr] Horton LO

[Phil Harman]

Ok - I worked through Phil C's math last night and it looks fine to me. I 
will draw up a block diagram and the divider list today and post to the 
forum.

Phil...VK6APH



----- Original Message ----- 
From: "Robert McGwier" <rwmcgwier at comcast.net>
To: "Alex" <harvilchuck at yahoo.com>; "High Performance Software Defined Radio 
Discussion List" <hpsdr at hpsdr.org>
Sent: Saturday, June 17, 2006 10:13 AM
Subject: Re: [hpsdr] Horton LO


> ***** High Performance Software Defined Radio Discussion List *****
>
> Don't worry,  we are going too fast for ourselves.  We found a little
> hiccup.   Phil C proposes doing a PLL but I wanted to do all of that
> digitally.   I am doing calculations  that show if this provides better
> performance but at the cost of an FPGA and if so,  is it worth the extra
> cost and complexity.
>
> Bob
>
>
> Alex wrote:
>> You guys are going way to fast and losing the rest of us. Take a deep 
>> breath, get a cup of coffee and look at this drawing.
>> Does this, at a high-level, adequately describe what you are advocating? 
>> If all of you agree that it correct, then I will draw out the next level 
>> of detail.
>>
>> http://hpsdr.org/wiki/index.php?title=Image:HPSDR_uWaveOSC.jpg
>>
>> Alex, N3NP
>>
>> ----- Original Message ----
>> From: Eric Ellison <ecellison at comcast.net>
>> To: Robert McGwier <rwmcgwier at comcast.net>; High Performance Software 
>> Defined Radio Discussion List <hpsdr at hpsdr.org>
>> Sent: Friday, June 16, 2006 8:46:02 PM
>> Subject: Re: [hpsdr] Horton LO
>>
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> Bob
>>
>> When you are happy, and Phil_C is happy and Phil_H are happy. I'm 
>> estatic!
>>
>> A picture PLUEEEEEZE!
>>
>> Eric
>>
>>
>> -----Original Message-----
>> From: hpsdr-bounces at hpsdr.org [mailto:hpsdr-bounces at hpsdr.org] On Behalf 
>> Of
>> Robert McGwier
>> Sent: Friday, June 16, 2006 8:44 PM
>> To: High Performance Software Defined Radio Discussion List
>> Subject: [hpsdr] Horton LO
>>
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> Guido:
>>
>> Doing all of this fractional stuff digitally and never having to convert
>> back to analog is a big win, a huge win.   The facts are the fractional
>> N, without having to go back to analog, but retaining an all digital
>> character is a huge win since we remove tons of nastiness due to
>> attempting to produce analog waveforms.  Our ULTIMATE resolution should
>> by a 2^16 word size and in this case that is 2.5 kHz.  It is going to be
>> a big win.
>>
>> Bob
>>
>>
>
>
> -- 
> AMSAT VP Engineering. Member: ARRL, AMSAT-DL, TAPR, Packrats,
> NJQRP/AMQRP, QRP ARCI, QCWA, FRC. ARRL SDR Wrk Grp Chairman
> Laziness is the number one inspiration for ingenuity.  Guilty as charged!
>
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