Patrick E. Buller

Patrick E.
Buller
Articles
Technical techniques: A primer for transmission lines
For a PDF version of this story, which includes diagrams, click here. One of the most fascinating types of transmission lines is the waveguide. Radio
Technical techniques: A primer for transmission lines
For a PDF version of this story, which includes diagrams, click here. Transmission lines carry RF from point to point within radio equipment, between
How's your antenna?
In the past, antennas were generally used for fixed, single-frequency operations. Today's needs require antennas to have a much broader bandwidth to cover
How's your antenna?
In the past, antennas were generally used for fixed, single-frequency operations. Today's needs require antennas to have a much broader bandwidth to cover
How's your antenna?
The difference in the light observed at the center of the parabolic beam and that of the bare bulb is gain To the casual observer, it's just a wire or
How's your antenna?
The difference in the light observed at the center of the parabolic beam and that of the bare bulb is gain To the casual observer, it's just a wire or
Is your two-way radio system balanced?
The base station noise floor, vehicle noise and ambient noise in the service area can all contribute to throwing a radio system out of balance. Here's
You got intermod?
Hunting the source of a distortion problem can be facilitated with a reliable portable radio and a little homemade artillery.Intermodulation, "intermod"
Do you cut your coax?
A benchmark standard approach to installing coaxial cable for mobiles will improve RF power measurements and improve reception quality in fleet vehicles.Do
Make VHF cavities from over-the-counter hardware
Fabricating simple cavities may seem like work, but space, cost, flexibility and ease of tuning make the concept an attractive alternative.Often a situation

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