Re: [Drakelist] What makes up the front end
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 -- 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 ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist
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.comwrote: Exactly what components constitute the front end of the R4A? ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist
Re: [Drakelist] What makes up the front end
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 ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist
Re: [Drakelist] What makes up the front end
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 ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist
[Drakelist] What makes up the front end
Exactly what components constitute the front end of the R4A? ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist