Re: [Drakelist] What makes up the front end

2011-12-02 Thread Curt Nixon

Yep...

Thats the way I lernd it in the 60's two

Curt

On 12/2/2011 1:23 AM, Jim Shorney wrote:

On Thu, 1 Dec 2011 01:00:06 -0800, Dennis Monticelli wrote:


The RF stage and Mixer plus associated filters.  Probably some folks would toss 
the LO in that grouping also.  Basically it refers to what is in front of the 
first IF.


I always considered it to be everything between the antenna input and the
mixer, but not including the mixer because it is, well, the mixer. FWIW,
Wikipedia agrees with the above definition.

73

-Jim
NU0C

--

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every sentient race has its own version of these Swedish meatballs! I suspect it's one of 
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drive you mad if you ever learned the truth! - G'Kar, Babylon 5



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Re: [Drakelist] What makes up the front end

2011-12-01 Thread Dennis Monticelli
The RF stage and Mixer plus associated filters.  Probably some folks would
toss the LO in that grouping also.  Basically it refers to what is in front
of the first IF.

Dennis AE6C

On Wed, Nov 30, 2011 at 10:55 PM, Neil M Califano cchange...@yahoo.comwrote:

 Exactly what components constitute the front end of the R4A?

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Re: [Drakelist] What makes up the front end

2011-12-01 Thread Steve Wedge


I've always considered it to be the first stages that are working with the original frequency that was received by the antenna. That would generally agree with the RF amp and input to the first mixer.
YMMV
Steve, W1ES/4
-Original Message- From: Dennis Monticelli <dennis.montice...@gmail.com>Sent: Dec 1, 2011 4:00 AM To: Neil M Califano <cchange...@yahoo.com>Cc: Drakelist@zerobeat.net Subject: Re: [Drakelist] What makes up the front end 
The RF stage and Mixer plus associated filters. Probably some folks would toss the LO in that grouping also. Basically it refers to what is in front of the first IF.

Dennis AE6C
On Wed, Nov 30, 2011 at 10:55 PM, Neil M Califano cchange...@yahoo.com wrote:
Exactly what components constitute the front end of the R4A?___Drakelist mailing listDrakelist@zerobeat.nethttp://mailman.zerobeat.net/mailman/listinfo/drakelist

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Re: [Drakelist] What makes up the front end

2011-12-01 Thread Jim Shorney
On Thu, 1 Dec 2011 01:00:06 -0800, Dennis Monticelli wrote:

The RF stage and Mixer plus associated filters.  Probably some folks would 
toss the LO in that grouping also.  Basically it refers to what is in front of 
the first IF.


I always considered it to be everything between the antenna input and the
mixer, but not including the mixer because it is, well, the mixer. FWIW,
Wikipedia agrees with the above definition.

73

-Jim
NU0C

--

It's an Earth food. They are called Swedish meatballs! It's a strange thing, 
but every sentient race has its own version of these Swedish meatballs! I 
suspect it's one of those great universal mysteries which will either never be 
explained, or which would drive you mad if you ever learned the truth! - 
G'Kar, Babylon 5



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[Drakelist] What makes up the front end

2011-11-30 Thread Neil M Califano
Exactly what components constitute the front end of the R4A?

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