An upper laid aerial device of automobile
An antenna device and top-mounted technology, applied to antennas, devices that enable antennas to work in different bands at the same time, antenna components, etc., can solve problems such as affecting antenna reception, inconvenient use, and easy loss of antenna rods, etc., to achieve structural Compact, easy to use, beautiful appearance design effect
Active Publication Date: 2008-07-09
TAIZHOU SUZHONG ANTENNA GROUP
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Abstract
A vehicle overhead antenna device of the invention relates to a vehicle receiving antenna of radio signals, which is suitable for being used as a receiving device of the radio broadcasting AM/FM. The structure includes an antenna housing, an antenna bracket, a radio receiving antenna, an antenna amplifier, a metal mounting base and a wireless signal output coaxial cable; the radio receiving antenna is arranged on the antenna bracket, the antenna bracket is arranged on the metal mounting base, one end of the radio receiving antenna is provided with an antenna signal output end, the antenna signal output end is connected with a signal input end of the antenna amplifier, a circuit board of the antenna amplifier is arranged on the metal mounting base, a signal output end of the antenna amplifier is connected with the radio receiving device by the antenna signal output coaxial cable, the antenna housing is arranged at the outside of the antenna bracket and is fixed on the metal mounting base; the antenna amplifier includes an AM frequency selection circuit, an AM signal amplification circuit, an FM frequency selection circuit, an FM signal amplification circuit, a power circuit and a wave trapping circuit.
Application Domain
Simultaneous aerial operationsHigh frequency amplifiers +6
Technology Topic
Radio broadcasting stationRadio reception +8
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