stub matching4 links
- 50MHz J-Pole Antenna
- Need a general purpose antenna on the magic band? The J-Pole is an easy-to-build and inexpensive device that provides an omni-directional vertically polarised antenna without the need for a ground plane. In technical terms, it is an end fed vertical 1/2 wave which is fed via a 1/4 wave matching stub.
[ Hits: 32753 | Votes: 14 | Rating: 6.50 ]
- 20m Half-Wave End Fed
- A Half wave antenna has a high impedance feed point. This can be matched using a 1/4 wave stub matching section and converts the 40m vertical into an L-shaped 20m J-Pole antenna. The 300 ohm feeder used for this purpose must be kept away from the ground.
[ Hits: 847 | Votes: 1 | Rating: 10.00 ]
- Super J-Pole for 435MHz
- The Super J Pole antenna is a co-linear vertical consisting of a number of half wave length vertical elements separated with half-wave length stubs (Tuning stub) feed with a folded matching stub by vk6ysf
[ Hits: 3220 | Votes: 6 | Rating: 5.00 ]
- Single-stub matching
- Single-stub matching of transmission lines to loads
A worked example
[ Hits: 429 | Votes: 6 | Rating: 4.00 ]
You can try similar termsmatching stub stub matching stub coax stub coaxial stub open stub pawsey stub stub filter stub filters coax stub filter stub tuned radial 80m matching end fed matching l matching matching
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