High Power Broadband Balun
Found 5 free book(s)
Design and Analysis of Wilkinson Power Divider Using ...
www.iosrjournals.orgthe power for supporting different devices with same or different band of frequencies. It is a passive device used ... studied to increase bandwidth and high isolation between output ports. Table 1: ... Optimized broadband wilkinson balun- design and analysis using meta material by Reetu Sharma, ...
160m/80m Broadband Antenna by K5GP
www.ctdxcc.org160m/80m Broadband Antenna by K5GP ... There is a small tree at the 4:1 balun feedpoint on the Z axis. 54’ 126’ 76’ 15’ average height over rocky poor conductivity soil #18 copperweld is the antenna wire a 4:1 balun is used ... 11’ high 16’ high 68 uH . 7
A 9:1 Balun For Your End Fed Antenna - Mobileers
www.mobileers.comJan 09, 2013 · Installation of the 9:1 balun/unun: The End-Fed is connected to one terminal of the "high" winding and the other terminal is connected to a good "EARTH" ground. One or more copper rods or pipes driven, at least, 4 feet into the earth near the dwelling entry point (2 or 3, is better, being spaced about 4 feet apart).
33ft Verticals and 4:1 Ununs - MARTIN - G8JNJ
g8jnj.netbroadband antenna of the same element length. To summarise the results WRT to reference antenna consisting of 30ft wire vertical fed with auto-tuner at base. The 4:1 balun and coax fed remote tuner and also the broadband antenna Ununs produced signal levels about 20dB down on 160m, 6dB down on 80m and an average of about 3db down with dips of
BALUN BASICS PRIMER - Marki Microwave
www.markimicrowave.comA balun is any three port device with a matched input and differential outputs. It is most succinctly described by the required (ideal) S-parameters: S 12 = - S 13 = S 21 = - S 31 S 11 = -∞ Note what is implied by this: • A balun is a three port power splitter, similar to …