[hpsdr] WG: Mercury as spectrum analyzer?

Dieter Meier diemei at t-online.de
Mon May 18 10:18:09 PDT 2009


Hi Phil,
 
thanks for your detailed answer. Yes I have seen John Melten´s page with the
picture of a 0 to 55 Mhz bandscope, but unfortionally the software is for Linux.
So I am glad to read that you will be releasing a Windows console for a
bandscope even if at first you can only display the range of 0 to 55MHz at ones.
But this is the first step you can play with, waiting for the additional
functions like center frequency and bandwidth and so on.
Altogether  it sounds very promising. I will watch for the next step in the
Cyclops project.
 
73 de DL2VT  Dieter
 


  _____  

Von: hpsdr-bounces at lists.openhpsdr.org
[mailto:hpsdr-bounces at lists.openhpsdr.org] Im Auftrag von Phil Harman
Gesendet: Montag, 18. Mai 2009 03:04
An: HPSDR
Betreff: Re: [hpsdr] WG: Mercury as spectrum analyzer?


Hi Dieter,

 
You are correct that John Melton's GHPSDR software  for Linux
 
< http://javaguifordttsp.blogspot.com/ >
 
provides both a conventional and 0-55MHz bandscope. We will shortly be releasing
a simple Windows console program called K.I.S.S. Konsole (KK) that also provides
dual bandscopes.  At the moment KK displays 0-55MHz in one chunk but in the
future, with suitable software additions, we intend  to display any centre
frequency and bandwidth within this range.  
 
Using KK as a base there is also very good potential to use it with Penelope as
a spectrum analyser and tracking generator. 
 
I do have a breadboard prototype of Cyclops working and have a volunteer ready
to lay out the PCB.  We are presently evaluating the possibility of using a TV
tuner IC as a single chip spectrum analyser prior to going ahead with the PCB
layout. 
 
The main issue I have with Cyclops is leakage round the 1.03GHz first IF filters
- this will need some careful PCB layout/screening. We are also investigating
removing images caused by the filter leakage in software. 
 
More projects than time available at the moment!
 
73's Phil...VK6APH 

 

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