Tractor Talk Discussion Board |
Re: OT Radio antenna (John T)
[ Expand ] [ View Replies ] [ Add a Reply ] [ Return to Forum ]
Posted by Gerald J. on October 08, 2006 at 08:15:35 from (67.0.103.107):
In Reply to: OT Radio antenna (John T) posted by BUDD on October 08, 2006 at 07:02:24:
There used to be switches made for switching between cable and a live TV antenna and between a game box and cable or TV antenna. They worked in coax, had considerable shielding, and shorted the unused ports. IF you maintain the shielding between the switch and the radio AND the radio is shielded they can be effective. Your wire leads to your switch are small antennas so you get pickup, worse, there is capacitance between those wire leads and in the open switch that at 100 MHz couples considerable signal. Especially the capacitance of the switch (probably as much as 10 picofarads) is comparable to the antenna coupling capacitor in the radio, so it doesn't cut the signal much. Gerald J.
Replies:
Home
| Forums
Today's Featured Article -
Women and Tractors - More Views From the Farmer's Wife - by Teri Burkholder. The top ten reasons why the judges wouldn't let you participate in the stock antique tractor pull: Hey, this is stock! It came with that V8 in it! That "R" on my tires stands for "really old" not radial! Blue gas? We thought it was a pretty color! What wire hooked to my throttle?
... [Read Article]
Latest Ad:
Sell 1958 Hi-Altitude Massey Fergerson tractor, original condition. three point hitch pto engine, Runs well, photos available upon request
[More Ads]
Copyright © 1997-2024 Yesterday's Tractor Co. All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V. Yesterday's Tractors - Antique Tractor HeadquartersWebsite Accessibility Policy |
|