common

218 links

How to Blow Up Your Balun - N6BV
In this article author examine stresses placed on common mode chokes aka baluns as hams ...

[ Hits: 390 | Votes: 0 | Rating: 0 ]

ARRL - About Feed Lines - ARRL
The feed line also called the transmission line is the RF power conduit between your ...

[ Hits: 88 | Votes: 2 | Rating: 6.5 ]

Do not wind chokes on red toroids! - iz2uuf
I happened to stumble across some antenna projects showing common mode chokes 1 1 baluns ...

[ Hits: 188 | Votes: 0 | Rating: 0 ]
How to find out if your choke works - VA3KOT
How many times have you heard the advice to coil a few turns of coax ...

[ Hits: 211 | Votes: 1 | Rating: 9 ]
High Performance Common-Mode Chokes - G3TXQ
This article is an attempt to shed some light on this misunderstood component covering topics ...

[ Hits: 132 | Votes: 0 | Rating: 0 ]

Quad Loop Antenna for 50 MHz - KD9EJA
Building A Full Wave Quad Loop Antenna for 6 Meters This is an easy antenna ...

[ Hits: 200 | Votes: 1 | Rating: 1 ]

QRP HF Loop Antenna - IZ0HCC
This is an uncommon loop antenna hombrewed without the small feeding loop With small spare ...

[ Hits: 162 | Votes: 1 | Rating: 10 ]

Small HF RX Loop - iw7dmh
This is very common W7IUV Flag Antenna design is based on the PY3AGD antenna because ...

[ Hits: 147 | Votes: 0 | Rating: 0 ]

Antenna Measurements - Bevelacqua
Testing of real antennas is fundamental to antenna theory The most common and desired measurements ...

[ Hits: 61 | Votes: 1 | Rating: 10 ]

Adjusting HF Yagi Gamma Matches - VE3VN
There are many feed systems used in yagis over the years Gamma matches are not ...

[ Hits: 132 | Votes: 1 | Rating: 10 ]

EDI Log Format - OK2KKW
EDI is a common electronic data file format required to submit contact logs Very popular ...

[ Hits: 175 | Votes: 0 | Rating: 0 ]

Digital Mode calling frequencies - VK6FLAB
A summary of common calling frequency for each digital mode on that band.

[ Hits: 314 | Votes: 0 | Rating: 0 ]

Guide to your first steps in CW - QRP Labs
Notes hints and tips on starting with morse code how to approach learning the code ...

[ Hits: 118 | Votes: 0 | Rating: 0 ]
Learn Morse Code as a language - Duane Ausherman
A review of the most popular and traditional methods to learn morse conde and a ...

[ Hits: 157 | Votes: 0 | Rating: 0 ]

IC-7300 Amplifiers Interfacing - DJ0IP
How to interface the Icom IC 7300 to RF Power amplifiers Menu settings cable connections ...

[ Hits: 368 | Votes: 4 | Rating: 9 ]

Ferrite and common-mode choke - DH1TW
Finding the the best ferrite material for a common mode choke How to create efficient ...

[ Hits: 185 | Votes: 1 | Rating: 10 ]

Computer headset adapted for Ham Radio Usage - IZ7ATH
Adapting a common PC earphone with microphone to connect to a transceiver via a homemade ...

[ Hits: 191 | Votes: 0 | Rating: 0 ]

Blocking Dynamic Range in Receivers - SM5BSZ
An explanation of the different procedures and definitions that are commonly used for blocking dynamic ...

[ Hits: 175 | Votes: 0 | Rating: 0 ]

An introduction to YIG Tuned Oscillators - MicroSource
The YIG Tuned Oscillator YTO is the only direct signal source to provide multi octave ...

[ Hits: 35 | Votes: 0 | Rating: 0 ]

Measuring with a MiniVNA - N4SPP
Measuring technicques using a MiniVNA author describes how to determine and unknown inductance or how ...

[ Hits: 186 | Votes: 1 | Rating: 1 ]