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1. 发明公开

EP2951923A1 LNA WITH LINEARIZED GAIN OVER EXTENDED DYNAMIC RANGE 有权
标题翻译： LNA MIT LINEARISIERTERVERSTÄRKUNGÜBEREINEN ERWEITERTEN DYNAMIKBEREICH
公开(公告)号：EP2951923A1
公开(公告)日：2015-12-09
申请号：EP14767828.8
申请日：2014-03-13
申请人： Innophase, Inc.
发明人： TESTI, Nicolo , LI, Xi , ZHANG, Xuejun , XU, Yang
IPC分类号： H03F1/26 , H03G3/30
CPC分类号： H03G3/008 , H03G1/0029 , H03G1/0088 , H03G5/14 , H03G5/24
摘要： A low noise amplifier including a variable gain amplifier stage configured to accept an input signal and to provide a load driving signal; a tunable bandpass filter connected as a load to the variable gain amplifier stage, wherein the bandpass filter includes a cross-coupled transistor pair, and at least one cross-coupled compensation transistor pair biased in a subthreshold region configured to add a transconductance component when the load driving signal is of a magnitude large enough to decreases a transconductance of the cross-coupled transistor pair; and, a controller circuit configured to tune the bandpass filter. The filter can be tuned in respect to the frequency and the quality factor Q.
摘要翻译：一种低噪声放大器，包括可变增益放大器级，被配置为接受输入信号并提供负载驱动信号; 一个作为负载连接到可变增益放大器级的可调谐带通滤波器，其中所述带通滤波器包括交叉耦合晶体管对，以及至少一个偏置在亚阈值区域中的交叉耦合补偿晶体管对，其配置成当所述跨导分量负载驱动信号的幅度足够大以减小交叉耦合晶体管对的跨导; 以及配置成调谐带通滤波器的控制器电路。滤波器可以根据频率和质量因子Q进行调整。

2. 发明授权

EP2951923B1 LNA WITH LINEARIZED GAIN OVER EXTENDED DYNAMIC RANGE 有权
标题翻译：具有线性化增益的LNA，延伸动态范围
公开(公告)号：EP2951923B1
公开(公告)日：2018-05-09
申请号：EP14767828.8
申请日：2014-03-13
申请人： Innophase, Inc.
发明人： TESTI, Nicolo , LI, Xi , ZHANG, Xuejun , XU, Yang
IPC分类号： H03F1/26 , H03G3/30 , H03G5/14 , H03G3/00 , H03G1/00 , H03G5/24
CPC分类号： H03G3/008 , H03G1/0029 , H03G1/0088 , H03G5/14 , H03G5/24
摘要： A low noise amplifier including a variable gain amplifier stage configured to accept an input signal and to provide a load driving signal; a tunable bandpass filter connected as a load to the variable gain amplifier stage, wherein the bandpass filter includes a cross-coupled transistor pair, and at least one cross-coupled compensation transistor pair biased in a subthreshold region configured to add a transconductance component when the load driving signal is of a magnitude large enough to decreases a transconductance of the cross-coupled transistor pair; and, a controller circuit configured to tune the bandpass filter. The filter can be tuned in respect to the frequency and the quality factor Q.

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