| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 21 | HARMONIC TRAP FOR COMMON GATE AMPLIFIER | EP14755752.4 | 2014-08-12 | EP3036831A1 | 2016-06-29 | RANGARAJAN, Rajagopalan; PATEL, Chirag Dipak |
| A circuit, a method and an apparatus, are described. A radio frequency, RF, signal received from a transmission line (606) is provided to the source of a transistor (624a) in a common-gate amplification circuit (624). A series resonance (632, 634) connected to the source provides a low impedance path to ground for interfering RF components in the RF signal. The series resonance (632, 634) is tuned to provide a high impedance to a band of frequencies centered on a frequency of interest and to shunt interfering RF components outside the band of frequencies centered on the frequency of interest. The interfering RF components may include a harmonic of the frequency of interest. | ||||||
| 22 | Ultra-low power consumption current-reused front-end for a RF system | EP07116606.0 | 2007-09-17 | EP2037572A1 | 2009-03-18 | Gil Galí, Ignacio c/o EPSON EUROPE ELECTRONICS GmbH; Cairo Molins, Josep Ignasi c/o EPSON EUROPE ELECTRONICS GmbH |
The present invention is related to a front-end for radio frequency systems, which is based on a low power low noise amplifier (LNA) and at least one mixer stage. The LNA includes at least a first circuit branch comprising a first transistor (M1) and a second transistor (M2) connected in cascade configuration to amplify an input signal A LC tank is provided to choke signal transmission from the drain of the first transistor (M1) to the source of the second transistor (M2). The same current which supply the LNA is used also for the mixer transconductance stage to save power consumption.
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| 23 | 공통 게이트 증폭기를 위한 고조파 트랩 | KR1020167006705 | 2014-08-12 | KR1020160048106A | 2016-05-03 | 란가라잔,라자고파란; 파텔,치라그디팍 |
| 회로, 방법및 장치가설명된다. 송신라인으로부터수신된무선주파수(RF) 신호가공통게이트증폭회로의트랜지스터의소스로제공된다. 소스에결합된직렬공진은 RF 신호의간섭 RF 컴포넌트들에대해접지로의저 임피던스경로를제공한다. 직렬공진은관심주파수에센터링되는주파수들의대역에고 임피던스를제공하고관심주파수상에센터링되는주파수들의대역외부의간섭 RF 컴포넌트들을션트시키기위해튜닝된다. 간섭 RF 컴포넌트들은관심주파수의고조파를포함할수 있다. | ||||||
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