An antenna tuner, a matchbox, transmatch, antenna tuning unit (ATU), antenna coupler, or feedline coupler is a device connected between a radio transmitter...

device. Antenna tuner, an adjustable device that matches the impedance at the end of a transmission line to an antenna or a radio ATSC tuner, a device...

called an antenna tuner or impedance matching network between the transmitter and antenna. The impedance match between the feedline and antenna is measured...

current"). Some antenna tuner circuits can both impedance match and preselect, for example the Series Parallel Capacitor (SPC) tuner, and many 'tuned-transformer'-type...

all of the frequencies. Other antennas provide adequate efficiency on some frequencies, but require a separate antenna tuner to function on others. A few...

supports. If used for transmitting, a random wire antenna usually will also require an antenna tuner, as it has an unpredictable impedance that varies...

manually tuned antenna MAT-TUNER MAT-10 automatic antenna tuner LDG Z817 automatic antenna tuner Elecraft T1 miniature automatic antenna tuner Emtech ZM-2...

an antenna tuner in the transmitter, and sometimes a matching network at the antenna. The degree of mismatch between the feedline and the antenna is measured...

A tuner is a subsystem that receives radio frequency (RF) transmissions, such as FM broadcasting, and converts the selected carrier frequency and its...

range. However, at some frequencies the antenna feedpoint may be moderately reactive, so the use of an antenna tuner may be needed when using modern solid-state...

horizontal dipole, as sloper, or an inverted-V antenna. With a transmatch, (antenna tuner) it can operate on all HF amateur radio bands (3.5–30 MHz). The dipole...

bonds between carbon atoms. The fundamental parts of a radio are the antenna, tuner, demodulator and amplifier. Carbon nanotubes are special in that they...

An antenna tuning hut or helix house is a small shed at the base of a longwave or mediumwave radio transmitting antenna. It contains antenna tuner — radio...

(Advanced Television Systems Committee) tuner, often called an ATSC receiver or HDTV tuner, is a type of television tuner that allows reception of digital television...

to transmit and receive short data communications; fully automatic antenna tuner which can be remoted up to 50m from the set using standard co-ax cable;...

network (a tapped loading coil or a so-called antenna tuner). It is a desirable length because such an antenna has the highest gain for any dipole which isn't...

feedline, which then connects to a remotely controlled (or automatic) antenna tuner, so the needed reduction of impedance down to the 50 ohm transmitter...

frequencies the antenna input impedance will generally include a reactive part and a different resistive component, requiring use of an antenna tuner. As the...

resonant at the operating frequency. Without the antenna tuner the impedance mismatch between the antenna and feedline would cause a condition called standing...

otherwise is possible using an antenna tuner, an impedance matching device. Installing the tuner between the feed line and the antenna allows for the feed line...

build. Common criticisms of the radio include its lack of a built in antenna tuner and its price compared to other more powerful radios on the market....

radio market. They specialize in station accessories, such as antenna tuners and antenna switching equipment. As of 2014, MFJ was responsible for manufacturing...

communications, baluns convert Twinax cables to Cat 5 cables, and back. Antenna tuner § balun Electromagnetic interference Ferrite bead Impedance matching...

currents which are applied to the television's tuner, which extracts the television signal. The antenna is connected to the television with a specialized...

impedance matching (antenna tuner) circuit to transform the output impedance of the transmitter to match the impedance of the antenna (or the transmission...

A log-periodic antenna (LP), also known as a log-periodic array or log-periodic aerial, is a multi-element, directional antenna designed to operate over...

A Yagi–Uda antenna, or simply Yagi antenna, is a directional antenna consisting of two or more parallel resonant antenna elements in an end-fire array;...

• High bandwidth, flat SWR curve (900 kHz, SWR less than 1.5) • No antenna tuner required • High level of efficiency (virtually no SWR losses) • Installation...

modems and WiFi. In cable systems, a QAM tuner is linked to the cable in a manner that is equivalent to an ATSC tuner which is required to receive over-the-air...

not have a digital tuner. The input digital signal may be over-the-air terrestrial television signals received by a television antenna, or signals from...