current balun

33 links

W1ZY 40 meter moxon antenna - W1ZY's 40 Meter MOXON is the product of 9 months of experimentation. The final array is reversible and constructed from No. 12 insulated wire fed through two RF current baluns
[ Hits: 3344 | Votes: 2 | Rating: 6 ]

A better antenna-tuner balun - Which balun to use? The hybrid balun promises advantages over both voltage and current baluns by ZS1AN
[ Hits: 23096 | Votes: 11 | Rating: 5.83 ]
Simple 75 ohm Coax Balun - A simple current balun for the FM broadcast band
[ Hits: 2323 | Votes: 7 | Rating: 2.86 ]
Broadband Baluns - Voltage baluns and choke (or current) baluns.
[ Hits: 1101 | Votes: 1 | Rating: 9 ]
Baluns in antenna systems - Understanding Baluns. This article explores some simple antenna system configurations and the effect of key system components, connections and dimensions on feed line common mode current.
[ Hits: 1106 | Votes: 2 | Rating: 2.5 ]

A Cost Effective Current-mode 1:1 Balun - A cost effective current-mode 1:1 balun can be constructed from a length of coax and a rod typically used for a broadcast antenna loop-stick, some electrical tape, cable ties, a length of PVC water-pipe and some connectors.
[ Hits: 9193 | Votes: 4 | Rating: 7.25 ]
1 to 1 Current Balun - A 1:1 current balun by N5ESE
[ Hits: 4830 | Votes: 9 | Rating: 6.13 ]
The 1:1 Current Balun - About 1 to 1 current balun by Roy Lewallen, W7EL
[ Hits: 3150 | Votes: 1 | Rating: 3 ]
Balun 1:1 - 1:1 Ruthroff voltage balun using a T200-2 Toroid core
[ Hits: 1483 | Votes: 2 | Rating: 4 ]
Broad band 1:1 current balun - A 1:1 current balun that offeres a almost flat swr curve from 1 to 30 MHz
[ Hits: 2080 | Votes: 5 | Rating: 8.4 ]

Build a 4:1 Guanella Balun - Step-By-Step Construction of a 4:1 Current-Type Guanella Balun by W1CG
[ Hits: 11151 | Votes: 19 | Rating: 6.24 ]
The Guanella 1:4 balun - A cost effective current-mode 1:4 balun can be constructed from two lengths of coax, two ferrite rods, some electrical tape, cable ties, a length of PVC water-pipe and some connectors. This form of 1:4 current-mode balun is named after G. Guanella.
[ Hits: 3636 | Votes: 1 | Rating: 10 ]
A 4:1 Balun - A single-core 4:1 current balun of improved performance by Chris Trask N7ZWY PDF file
[ Hits: 21828 | Votes: 13 | Rating: 4.3 ]
Guanella 4:1 balun - This article reviews the proposition that a 4:1 current balun in the style of Guanella can be constructed with both pairs of windings sharing a common magnetic circuit.
[ Hits: 3113 | Votes: 2 | Rating: 5.5 ]
1:4 Current Balun - This project is intended to aid in tuning a balanced antenna or feedline that has a high impedance 100-600 ohms
[ Hits: 3414 | Votes: 5 | Rating: 8 ]
The 1: 4 Current balun - A 1:4 current balun made with 2 4C65 cores by PA1G in Dutch
[ Hits: 775 | Votes: 1 | Rating: 2 ]

Homebrew RF chocke - Magnetic Longwire Balun - RF Choke to prevent hf currents on the feedline. This Magnetic Longwire Balun (MLB) makes it possible to efficiently use a coaxial lead-in cable with all forms of longwires, T-forms or other types of wire antennas, without the need for an antenna tuner.
[ Hits: 3415 | Votes: 3 | Rating: 10 ]
RF choke or 1:1 balun - RF Choke to prevent hf currents on the feedline or...1:1 Choke Balun, sometimes called the "UGLY BALUN"
[ Hits: 3248 | Votes: 6 | Rating: 3.83 ]

OH7SV Matti Hohtola Ham Projects - The most modern QRP transceiver in 2004,Direct Conversion HF Transceiver with DDS LO, 50 ohm to 200 ohm HF wide band transformers, Wilkinson splitter for RX measurements, Windom baluns 2001/2004, Ferrite rod antenna for 80 meter, Magnetic Loop Antenna for 80 m, Mascot Switched PSU 9320 modification to 8A peak current, 150W MOSFET linear amplifier for 80m, 80 m HF SSB/CW Transceiver
[ Hits: 20374 | Votes: 36 | Rating: 8.11 ]

Radioworks - Source for high performance wire antennas, Current-type Baluns, Line Isolators, quality wire antenna parts and accessories.
[ Hits: 6245 | Votes: 5 | Rating: 5.8 ]