Jie Jin

Arming Antennas With Dual Bandstops
Various methods can achieve an antenna with band-notched characteristics. With the present design, the authors inserted C-shaped slots in various antenna configurations to create a desired frequency stopband.
Tiny Antenna Arms UWB Applications
This quasi-self-complementary antenna employs a coplanar-wave-guide feed to achieve extremely wide bandwidth of 2.3 to 14.5 GHz in the tiny dimensions needed for portable wireless applications.
LNA Quiets 3.1 To 10.6 GHz
This broadband amplifier is designed to cover the UWB frequency range from 3.1 to 10.6 GHz with low noise figure while operating at a low supply voltage.
Low-Power TIA Tunes Gain At 2.4 GHz
This transimpedance amplifier employs a current-reuse stage and cascade differential stage to achieve a continuous gain tuning range of 15 dB and low noise figure of 1.061 dB at 2.4 GHz.

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