- 20/40 Meter Short Coax Trap Dipole Antenna
- Ham Radio 20 / 40 meter short Coax Trap dipole antenna designed with the coax trap design calculator program
[ Hits: 2556 | Votes: 11 | Rating: 6.1 ]
- 7 Mhz traps for W3DZZ
- Homebrewing traps for the W3DZZ wire dipole Antennas. Article in Dutch with some interesting pictures
[ Hits: 15675 | Votes: 28 | Rating: 4.89 ]
- An Improved Multiband Trap Dipole Antenna
- This improved multiband trap dipole introduces a new trap design and a change in trap location. The antenna features double-coaxial-cable-wound traps having lower reactance and a higher quality factor (Q) than earlier coax-cable traps by W8NX
[ Hits: 8711 | Votes: 5 | Rating: 6 ]
- Antenna Trap Calculator
- Design your own antenna trap online
[ Hits: 22447 | Votes: 121 | Rating: 4.75 ]
- Bootstrap coax traps for antennas
- Analysis of an antenna trap where a coil is formed of a length of coax cable, the outer conductor of one coax end is tied to the inner conductor of the other coax end, and the remaining connections form the terminals for the trap.
[ Hits: 1349 | Votes: 2 | Rating: 9 ]
- Building Coaxial Traps
- This page describes the design and construction materials W8WWV used to build a coaxial cable trap. A coaxial cable trap is a parallel resonant circuit that is usually inserted in an antenna element to enable multiband operation.
[ Hits: 10243 | Votes: 5 | Rating: 8.2 ]
- Coax Traps
- Tips and tricks on homebrewing your own Coax traps by ON7EQ
[ Hits: 1512 | Votes: 2 | Rating: 2.5 ]
- Coax Traps from a Modeling Perspective
- About Coax Traps, NC4FB examine the operation of coax traps through modeling.
[ Hits: 659 | Votes: 1 | Rating: 5 ]
- Coaxial Traps for multiband antennas
- A new perspective on the analysis and
design of this popular antenna element. By Karl-Otto Muller, DG1MFT
[ Hits: 14597 | Votes: 8 | Rating: 5 ]
- This program let you design of antenna trap using length of coaxial line wound as solenoid on a coil former.
[ Hits: 5506 | Votes: 10 | Rating: 3.7 ]
- Constructing and Using Chokes
- Using Chokes and Traps: how to make them, how they work.
[ Hits: 368 | Votes: 0 | Rating: 0 ]
- Easy tuning an building of traps
- A new and simple method for tuning traps. You need 2-3Watt of your TRX and two homemade coupling coils by DK7ZB
[ Hits: 6571 | Votes: 163 | Rating: 8.06 ]
- Homebrew traps
- Traps can be one way round multiband coverage without the need of an atu. Learn how to homebrew your own traps
[ Hits: 3760 | Votes: 3 | Rating: 5.33 ]
- Homebrew your own inductors
- Cannot find the inductors you need for an antenna, a tuner or amplifier ? Build your own it is
[ Hits: 28428 | Votes: 21 | Rating: 6.95 ]
- How antenna traps work
- An interesting article about homebrewing antenna traps for multiband antennas by VE3GK
[ Hits: 10719 | Votes: 31 | Rating: 6.58 ]
- Low Cost Antenna Traps
- How to home made antenna traps with material you can easily find, and how to properly tune it.
[ Hits: 461 | Votes: 5 | Rating: 6 ]
- Low loss Wire Traps
- Tips to homebrew your own HF traps using aluminium wire and doorknob capacitor
[ Hits: 1277 | Votes: 1 | Rating: 9 ]
- Multi Band Antenna Traps
- These devices are called Traps, but they are actually more like frequency sensitive switches. They are parallel resonant, high Q, tuned circuits which provide a very high impedance at their frequency of resonance.
[ Hits: 4847 | Votes: 3 | Rating: 6 ]
- Optimizing Coax-Cable Traps
- A document that will guide you on Coaxial-Cable trap optimization process to gain on global antenna performance and on increasing effective bandwidth.
[ Hits: 128 | Votes: 0 | Rating: 0 ]
- PA3HMP Antenna Traps
- An original way to build antenna traps
[ Hits: 4803 | Votes: 8 | Rating: 7.26 ]
- RF Trap Resonant Frequency
- RF traps for a lightweight 40/30/20/17/15m inverted V dipole antenna for SOTA purposes and how you can use a modern antenna analyser to find the resonant frequency of a HF trap.
[ Hits: 193 | Votes: 0 | Rating: 0 ]
- To Trap or Not to Trap
- An interesting article on traps, pros and cons of trapping by W4RNL
[ Hits: 4146 | Votes: 4 | Rating: 3.25 ]
- This program let you design and performance of 2-band trapped dipole antennas including trap design.
[ Hits: 4291 | Votes: 4 | Rating: 3.25 ]
- Trapped antennas
- ARRL index of document about trapped antennas and notes on traps usage
[ Hits: 2951 | Votes: 2 | Rating: 1 ]
- Troubleshooting Traps
- This article refers mainly to the old Cushcraft 1/4 wavelength AV series of antennas (12AVQ, 14AVQ etc) hence the references to radials. The R series (R5, R7 etc) are 1/2 wavelength antennas, and the radials are NOT 1/4 wavelength resonant.
[ Hits: 2770 | Votes: 0 | Rating: 0 ]
- Tuning Antenna Traps
- Tuning Antenna Traps without a Grid Dip Oscillator, using a bit of initiative and some standard equipment a ham should have in the shack.
[ Hits: 906 | Votes: 1 | Rating: 9 ]
- Tuning Antenna Traps
- The problem with making your own trapped HF antennas is usually getting the coaxial traps tuned to frequency. This article explains a method using a RF signal generator at +10dBm output into the coaxial trap.
[ Hits: 267 | Votes: 2 | Rating: 6.5 ]
- VE6YP CoaxTrap
- The Coax trap program computes design parameters for the construction of coaxial traps for HF usage. Typically these are constructed from PVC tube and RG58/59 coax
[ Hits: 7413 | Votes: 26 | Rating: 6.54 ]