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Offline Kellys_eye

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Jupiter Receiver
« on: 11:09:55, 25 August, 2010 »
September issue of Everyday Practical Electronics (EPE) magazine has details for a DIY 'Jupiter Receiver' and you can purchase it as a complete kit of parts.

Dave Gill

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Offline Nomis Elfactem

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Re: Jupiter Receiver
« Reply #1 on: 12:04:35, 25 August, 2010 »
Can you give any more detail Dave ?


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Offline Kellys_eye

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Re: Jupiter Receiver
« Reply #2 on: 19:53:49, 25 August, 2010 »
The lead-in bumph to the articles says the following:

"How would you like to try some basic radio astronomy – listening
to the bursts of noise originating from the planet Jupiter, or from
the Sun? You don’t need a lot of fancy equipment to do this,
just the simple shortwave receiver described here. It’s hooked
up to a basic dipole antenna (which we describe as well) and
to the sound card in your PC, so that you can print out ‘chart
recordings’ of the noise signals."

It then goes on to describe the actual construction project in detail:

"The receiver is a single-conversion superhet design, tuning from about
20.25MHz to 22.5MHz, with a sensitivity of approximately 1mV for a 10dB signalto-
noise ratio. Only three controls are provided: RF gain, tuning and audio gain.
All components are mounted directly on a small PC board measuring only
117mm × 102mm, which can either be used ‘naked’ or housed in a standard
low-profile ABS instrument case (140mm × 110mm × 35mm).
The receiver can be powered from either a 12V battery or a mains plugpack
supply delivering between 15V to 18V DC. The current drain is typically between
55mA and 75mA.
There are two audio outputs from the receiver: 1) a line output suitable for
connection to the line-level input of a PC sound card, and 2) a low-impedance
output capable of driving external headphones or a small 8W speaker. Both
outputs can be used at the same time."

You can buy a ready-made pcb for £13.64

I understand the original design came from Silicon Chip magazine.

Some people may have the article in pdf format.....


Dave Gill

250/f4.5 newt, 150/f5 refractor, Mak 127, lots of bits'n'pieces mostly homebrewed.

Offline swashy

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Re: Jupiter Receiver
« Reply #3 on: 21:28:28, 25 August, 2010 »
Sounds interesting, and affordable  8)

Imagine...  above us only sky!

Offline alexthegreek

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Re: Jupiter Receiver
« Reply #4 on: 12:44:41, 02 November, 2010 »
Hello !

 Does anyone know if I can buy it as a pdf file ?
  Thank you
  Alex  ;)

Offline g8ina

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Re: Jupiter Receiver
« Reply #5 on: 12:51:19, 02 November, 2010 »
mmmmmmmmmmmm, shades of Karl Jansky :)

I would mind a go at this meself, being a radio ham :)

(and I actually remembered his name I didnt cheat !!!!)
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Offline Macmarch

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Re: Jupiter Receiver
« Reply #6 on: 19:31:10, 21 June, 2011 »
I had the original magazine article.  A much cheaper version as against the NASA offering. However I didn't pursue it as I have no means of fixing surface mount components particularly as the I can't even see the pins/pads? on the FET. A pity as the output is supposedly compatible with the Skypipe program. 

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Offline psjshep

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Re: Jupiter Receiver
« Reply #7 on: 23:11:37, 21 June, 2011 »

I can do surface mounted stuff.... got the copper boards & all that... shout me... (as well as other things!)

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Offline PaulB

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Re: Jupiter Receiver
« Reply #8 on: 06:58:20, 22 June, 2011 »
I also have somewhere, in my archives. An old S&T article from I think the very early 1980's concerning radio observation's from Jupiter. And if memory serves. It told you how to go about using at that time a short wave receiver, for observation's.

I think in this article the antenna used was a three element Yagi.

S&T also ran series, if anybody remembers that far back. On the amateur radio telescope. Showing again, in a series of articles, how to build one.
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