coax trans

43 links

Magnetic Long Wire UnUn 9:1
An impedance transformer 9 1 to feed a high impedance long wire 450 ohm down ...

[ Hits: 1929 | Votes: 4 | Rating: 7 ]
When and Where to Use Baluns - W4ULD
Baluns are usually used by Hams to feed dipole antennas with 50 ohm coax and ...

[ Hits: 1523 | Votes: 9 | Rating: 7 ]
BalUn for Delta-loop & Quad-loop antennas - hfkits
This Guide helps you to build the 1 2 BalUn 600 Watts DIY kit step ...

[ Hits: 286 | Votes: 1 | Rating: 9 ]

1:49 unun for end fed half wave antennas - vu3dxr
1 49 UNUN using two stacked FT240 43 cores for end fed halfwave antenna To ...

[ Hits: 402 | Votes: 10 | Rating: 8.1 ]

Chocking the End-Fed Antenna - VE3VN
Stop common mode current when transmitting with an end fed antenna Unbalanced antennas are very ...

[ Hits: 828 | Votes: 1 | Rating: 8 ]

Coax Stubs for 20m and 40m - DH1TW
When operating contest in a multi transceiver environment interferences between the 40m and 20m are ...

[ Hits: 243 | Votes: 4 | Rating: 8.5 ]

Practical Yagi Building - DG7YBN
A practical guide on hombrewing Yagi antennas including notes on Driven Element Transformation Symmetrising Coax ...

[ Hits: 364 | Votes: 0 | Rating: 0 ]

Full Wave Loop Dimensions
This article contains the measurements for building a full wave loop using wire and length ...

[ Hits: 1088 | Votes: 3 | Rating: 7 ]

Matching with one-twelfth-wavelength feed line
Matching with a half wave or wuarter wave coaxial cable is pretty well known but ...

[ Hits: 541 | Votes: 1 | Rating: 10 ]

The Squid Pole Wire Antenna Re-visited - VK4ADC
The author explores enhancing the performance of a 7 meter fiberglass squid pole wire antenna ...

[ Hits: 92 | Votes: 0 | Rating: 0 ]

Messi e Paoloni - Messi
High quality RF coax cables designed for ham radio use featuring high efficiency screening attenuation ...

[ Hits: 242 | Votes: 2 | Rating: 10 ]
Amphenol RF - Amphenol
Amphenol RF is a leading manufacturer of coaxial connectors for use in radio frequency microwave ...

[ Hits: 176 | Votes: 0 | Rating: 0 ]

Midway Electronics - Midway Electronics
Midway Electronics supplies the area with electronic components wire cables amateur radio transceivers QRP kits ...

[ Hits: 216 | Votes: 2 | Rating: 3 ]

Delta Electronics - Delta Electronics
Delta Electronics Inc NY USA family owned and operated selling all varieties of consumer electronics ...

[ Hits: 327 | Votes: 0 | Rating: 0 ]

Automatic antenna switch with Arduino Nano - OK2WY
Arduino Nano board based antenna coax antenna switch intended for use with ICOM CI V ...

[ Hits: 141 | Votes: 1 | Rating: 9 ]

Anatomy of a Coax Cable - CableOrganizer
Coax Cable FAQ an interesting article on characteristics of coaxial cables and how evaluate the ...

[ Hits: 368 | Votes: 1 | Rating: 5 ]
Yes, all my Coax Cables are 75 Ohms - CO2KK
CO2KK exposes some myths about using 75 ohm feedline with 50 ohm rigs and show ...

[ Hits: 1309 | Votes: 3 | Rating: 8.67 ]
QRO Coaxial Relay for 50 MHz - w7gj
Build a SPDT coaxial relay that can be used as a main Transmit Receive relay ...

[ Hits: 362 | Votes: 0 | Rating: 0 ]

Measure Impedence of Coax Cables - W2AEW
This video shows one way to use a scope and function generator to measure the ...

[ Hits: 1095 | Votes: 3 | Rating: 6.67 ]

Grounding HF Transceiver using Coax Cable - 9M2SX
Improper grounding or earthing system can cause several unwanted RF interferences RFI to television sets ...

[ Hits: 1299 | Votes: 4 | Rating: 7.75 ]