Chunhua Wang

Chunhua
Wang
Articles
Low-Power Mixer Converts UWB Signals
This active mixer design provides conversion gain over a bandwidth suitable for UWB applications.
Mixer Translates Multiple Standards

Wireless communications products continue to support multiple communications standards, pushing designers to develop components that can work across as many bands and standards as possible. Ideally, a single device would handle all wireless communications standards and bands. But before that day comes, it is necessary to develop components—such as upconversion mixers—that can operate with several wireless standards.

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.
Low-Power LNA Drops Noise At 2.4 GHz
This CMOS amplifier delivers high gain and low noise figure at 2.4 GHz with extremely low power consumption, by means of current-reuse and common-gate design strategies.
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