An antenna amplifier, in particular for a magnetic resonance antenna, has a sheath wave barrier integrated into the signal path of the antenna amplifier in the form of a component designed exclusively for transfer of a differential signal.Ralph Oppelt...
A very low noise preamplifier for extremely low frequency magnetic antenna Besides the electrode-pair antenna,the magnetic antenna is also used for the extremely low frequency (ELF) submarine communication.To receive the weak ELF ... 冯士民,周穗华,陈志毅 - 《Journal of Semiconductors》 被引量: ...
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An antenna amplifier, in particular for a magnetic resonance antenna, has a sheath wave barrier integrated into the signal path of the antenna amplifier in the form of a component designed exclusively for transfer of a differential signal.
摘要: An antenna amplifier, in particular for a magnetic resonance antenna, has a sheath wave barrier integrated into the signal path of the antenna amplifier in the form of a component designed exclusively for transfer of a differential signal....
An antenna and associated magnetic preamplifier for use with UHF and Microwave wireless telecommunications devices operating at frequencies of greater than 0.3 gigahertz. The antenna may include a plurality of concentric loops about a core. The antenna may be made of a conductor wound helically about...
The amplifier (124) can include first and second high electron mobility transistors (104 and 106) that have gates coupled to an antenna loop that is defined on a rigid substrate (not shown). The non-resonant loop (102) has an effective lenght of les than about 1/lOof a signal to be ...