parasitic element

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• Driven element — Active element redirects here. For the devices used in electronic circuits, see active component. A Yagi antenna with one driven element (A) called a folded dipole, and 5 parasitic elements (B and C). A feed line leading to the receiver (not… …   Wikipedia

• Quad antenna — patent US2537191 A quad antenna. The quad antenna is an …   Wikipedia

• Passive radiator — A passive radiator or parasitic element is a radio antenna element which does not have any wired input. Instead, it absorbs radio waves radiated from another active antenna element in proximity, and re radiates it in phase with the active element …   Wikipedia

• Yagi antenna — A Yagi Uda Antenna, commonly known simply as a Yagi antenna or Yagi, is a directional antenna system [ [http://what is what.com/what is/Yagi Uda antenna.html What is a Yagi Uda antenna? An explanation of the familiar Yagi Uda antenna from a non… …   Wikipedia

• Loop antenna — A shortwave loop antenna A loop antenna is a radio antenna consisting of a loop (or loops) of wire, tubing, or other electrical conductor with its ends connected to a balanced transmission line. Within this physical description there are two very …   Wikipedia

• List of electronics topics — Alphabetization has been neglected in some parts of this article (the b section in particular). You can help by editing it. This is a list of communications, computers, electronic circuits, fiberoptics, microelectronics, medical electronics,… …   Wikipedia

• Log-periodic antenna — In telecommunication, a log periodic antenna (LP, also known as a log periodic array) is a broadband, multielement, unidirectional, narrow beam antenna that has impedance and radiation characteristics that are regularly repetitive as a… …   Wikipedia

• Reflective array antenna — In telecommunication, a reflective array antenna is an antenna, such as a billboard antenna, in which the driven elements are situated at a predetermined distance from a surface designed to reflect the signal in a desired direction. Note:… …   Wikipedia

• Electronic circuit — The die from an Intel 8742, an 8 bit microcontroller that includes a CPU, 128 bytes of RAM, 2048 bytes of EPROM, and I/O in the same chip …   Wikipedia

• Meganuclease — Meganucleases are endodeoxyribonucleases characterized by a large recognition site (double stranded DNA sequences of 12 to 40 base pairs); as a result this site generally occurs only once in any given genome. For example, the 18 base pair… …   Wikipedia

• ALEXANDER° — ALEXANDER°, name of three Russian czars. ALEXANDER I, czar of Russia 1801–25. Alexander I s character and actions were to a large extent shaped by the vicissitudes he experienced in his struggle against napoleon . His ties with Metternich and the …   Encyclopedia of Judaism