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The G5RV antenna is a dipole with a symmetric resonant [1] feeder line, which serves as impedance matcher for a 50 Ω coax cable to the transceiver. [ 2 ] [ 3 ] Origin
In a radio antenna, the feed line (feedline), or feeder, is the cable or other transmission line that connects the antenna with the radio transmitter or receiver. In a transmitting antenna, it feeds the radio frequency (RF) current from the transmitter to the antenna, where the energy in the current is radiated as radio waves .
An antenna tuner, a matchbox, transmatch, antenna tuning unit (ATU), antenna coupler, or feedline coupler is a device connected between a radio transmitter or receiver and its antenna to improve power transfer between them by matching the impedance of the radio to the antenna's feedline. Antenna tuners are particularly important for use with ...
The latest Facebook Marketplace scam to watch out for: a scheme that sold rented cars for cash on the online secondhand shopping platform.
Newsom is requiring the California Department of Public Health to provide recommendations by April 1 to limit the harms associated with ultra-processed foods and food ingredients that pose a ...
The Prairie Village Police Department is investigating an aggravated robbery that happened during a Facebook marketplace sale, the department said in a news release. Officers responded around 7 p ...
A planar inverted-F antenna (PIFA) is used for wireless circuitry implemented in microstrip.The microstrip format is the format of choice for modern RF electronics. It can be used to implement required distributed-element RF components such as filters, while at the same time being economical because the same mass production methods are used as for printed circuit boards.
Online marketplace operators have a unique ability to obtain and use in their economic decision making personal data and transaction data, but also social data and location data. Therefore academics have described online marketplaces as new economic actor , or even as a new type of market economy .