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Data communication
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Electrical safety, fire safety
Electrician's reference book
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Electricity for beginners
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Evil Genius magazine
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World monitors
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Free online library on electronics

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Free online library on electronics Free online library on electronics, Free encyclopedia of electronics and electrical engineering

All articles of the Free encyclopedia of electronics and electrical engineering are listed in alphabetical order. For automatic translation of articles into your native language, please use Translate it! form in the top left corner of the page.

Antennas. HF antennas

Antennas. HF antennas

Antennas. HF antennas. Articles with illustrations and detailed explanations:

1296 MHz wave channel

160 meters antenna

160 meters shortened antenna

160m shortened antenna (1)

160m shortened antenna (2)

3-band antenna

3-band Dipole

3-band directional antenna Spider

160-meter range collinear antenna

3.5 and 7 MHz Dual-band Dipole

3.5 MHz antenna fox antenna

A 160-meter shortened antenna

A simple tri-band antenna

About the antenna with an active reflector

Active antenna in the trunk

Active KB antenna

Aerial antenna

All-metal delta antenna

All-Wave Amateur Antenna

Amateur transmitting DV antennas

Antenna 5 / 8l at 27 MHz

Antenna 5 bands Sloper

Antenna at 7 MHz with a low suspension height

Antenna balancing devices

Antenna Delta 80 meters + Inverted V 160 meters

Antenna Extended pin

Antenna for 21, 24, 27, 28, 30 MHz bands

Antenna for 5 directions

Antenna for a field day

Antenna for a range of 160 meters

Antenna for a range of 160 meters with a low height of suspension

Antenna for ranges from 10 to 160 meters

Antenna for rapid deployment


Antenna Lazy Delta (lazy delta)

Antenna of 136 kHz

Antenna Rectangle UB5UG

Antenna Tuner (1)

Antenna Tuner (2)

Antenna with active power at 14, 21, 28 MHz

Antenna with an active reflector

Antenna with back radiation

Antenna with omega matching

Antenna with switchable radiation pattern

Automatic switching-matching device

Balcony antenna with capacitive load


Band antennas

Band Vibrators

Beverage Aerial

BOX switched antenna 80 m

Broadband indoor active loop antenna

Calculation of a vertical quarter-wave antenna

Calculation of the J-shaped antenna

Coaxial antenna

Coaxial INVERTED L for 160 meters

Coaxial vertical antennas

Combined antenna on the ranges of 80 and 20 meters

Combined KB antenna

Compact square antenna

Compact three-element antenna

Compact two-element antenna for a range of 20 meters

Contours for HF antenna

Curved dipole

D2T All-Wave Antenna

Delta from 10 to 40 meters

Delta-Loop antenna for 10.1 MHz range

Direction Finder with Frame Antenna

Directional antenna with vertical polarization

Directional receiving antennas of low-frequency bands

Disconnective antenna for 7 MHz

Earthed GP for 14-28 MHz bands

Effective DX antenna

Fiberglass ... YAGI!

Field antennas

Five-band effective antenna

Five-band vertical antenna

Five-element YAGI 20 meters

Fixed antenna for SN-258 radiotelephone

Framework antenna with an aspect ratio of 1: 3

GP + WARC antenna antennas

GP antenna with capacitive load for 160 meters

GP for 80 meters

GP-Plus Antenna

Ground plane 7 MHz Antenna

Ground Plane wooden antenna

How many balances are needed?

Improving the active room antenna KB range

Indoor Magnetic Antenna

Inverted V - Windom Antenna

Invisible Antenna

Log periodic antenna (1)

Log periodic antenna (2)

Loop antenna

Magnetic antenna from ... bicycle rim

Magnetic loop antenna

Marching 3-Band Delta

Matching the antenna with the feeder

Mechanically strong two-element antenna Wave channel

Mini Square Antenna

Miniature directional antenna for the 144-146 MHz range

Modernization of antenna weights

Modified Antenna Birdcage

MULTI BAND antenna

Multi band antenna 3.5-28 MHz

Multiband Dipole (1)

Multiband Dipole (2)

Multi-band directional antennas

Multiband dual-element DELTA LOOP

Multiband Half-Wave Antenna

Multi-band symmetric dipole

Multi-band version of the loop antenna

Multi-band Vertical Antenna (1)

Multi-band Vertical Antenna (2)

Multiband Vertical Antenna (3)

Nine-band SW antenna

Parasol - 160 meter umbrella antenna

Powering a Multi-band Windom with a Coaxial Cable

Range shortwave antenna

Rectangle UB5UG

Seven-band antenna

Seven-band HF-7 directional HF antenna

Shortwave antenna

Shortwave Transmitting Antenna

Shortwave whip antenna

Simple vibrator HF antennas and the possibility of their modernization

Simple, effective antennas for long-distance communications

Single-band antenna for rapid deployment (1)

Single-band antenna for rapid deployment (2)

Six-band whip antenna

Sloper antenna (tilted dipole)

Small Frame Antenna

Small-sized antennas of portable CB communication stations (part 1)

Small-sized antennas of portable communications stations CB (part 2)

Small-sized two-element Sigma-Yagi

Spiral antenna for portable radio stations

SW antennas Square. Customization and design options

SW antennas Square. Principles of operation

SW dualband antenna

The repeater is a direction finding prefix for a 27 MHz radio station

Three HF antennas

Three-band QUAD antenna

Three-band vertical antenna without ladders

Three-element directional antenna with vertical polarization (HB9RU)

Three-element ZYGI BEAM

Transceiver HF antennas

Triangle at 14/27 / 28MHz

Triangular antenna

Triple Square

Tuning and coordination of antenna-feeder devices

Tuning antennas using the frequency response meter

Two antennas for CB Radio

Two antennas per 2 meter range

Two-element shortened antenna

UA1DJ radio station antennas

Universal matching device

Universal panoramic SDR prefix for a HF transceiver

UT5VD antenna for 2-meter range with a circular pattern in two planes

Variants of the J-antenna from DH1NAW

Vertical antenna for the low-frequency bands (1)

Vertical antenna on the low-frequency bands (2)

Vertical directional antenna

Vertical Loop Antenna (LOOP)

Vertical multiband antenna

Vertical Multi-Band UW4HW Antenna

VHF antennas from standard element sets

W3DZZ Antenna Tri-band Dipole

Whip antenna with gamma matching device

WINDOM multi-band antenna (1)

WINDOW multi-band antenna (2)

All articles of the section Antennas:

Antenna Amplifiers

Antennas. HF antennas

Antennas. Metering, adjustment, matching

Antennas. Technology

Antennas. Television antennas

Antennas. Theory

Antennas. VHF-UHF antennas