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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Automatic Antenna Tuner with Intelli-fit Algorithm
 Frecer, Petr ; Povalač, Aleš (referee) ; Lukeš, Zbyněk (advisor)
The bachelor’s thesis deals with an antenna impedance matching, a design and a construction of an automatic antenna tuner. Basic physical equations are mentioned describing reflections on a feed line and the impedance matching. Various LC networks are discussed for their impedance-transforming possibility. One of the designs is chosen according to given requirements. A system is designed as fully-automated. All activities are managed by a microcontroller. Fast impedance matching is provided by an intelligent algorithm. A SWR-meter serves as a vital data source. The system is equipped with additional circuits that improve functionality (a frequency counter, an external memory). The system can be controlled remotely by a personal computer programme communicating via USB or RS-232.
Detailed record
Automatic Antenna Tuner with Intelli-fit Algorithm
 Frecer, Petr ; Povalač, Aleš (referee) ; Lukeš, Zbyněk (advisor)
The bachelor’s thesis deals with an antenna impedance matching, a design and a construction of an automatic antenna tuner. Basic physical equations are mentioned describing reflections on a feed line and the impedance matching. Various LC networks are discussed for their impedance-transforming possibility. One of the designs is chosen according to given requirements. A system is designed as fully-automated. All activities are managed by a microcontroller. Fast impedance matching is provided by an intelligent algorithm. A SWR-meter serves as a vital data source. The system is equipped with additional circuits that improve functionality (a frequency counter, an external memory). The system can be controlled remotely by a personal computer programme communicating via USB or RS-232.
Detailed record

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