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公开(公告)号：US09094634B2
公开(公告)日：2015-07-28
申请号：US13910392
申请日：2013-06-05
申请人： Yu Su , Mustafa H. Koroglu , Ruifeng Sun , Krishna Pentakota , Pio Balmelli , Ramin Khoini-Poorfard
发明人： Yu Su , Mustafa H. Koroglu , Ruifeng Sun , Krishna Pentakota , Pio Balmelli , Ramin Khoini-Poorfard
摘要： An amplifier includes a negative gain amplifier, a load element, and a transconductance device. The negative gain amplifier has an input and an output. The load element has a first terminal coupled to a power supply voltage terminal, and a second terminal. The transconductance device has a first current electrode coupled to the second terminal of the load element, a control electrode coupled to the output of the negative gain amplifier, and a second current electrode coupled to the input of the negative gain amplifier.
摘要翻译： 放大器包括负增益放大器，负载元件和跨导器件。 负增益放大器具有输入和输出。 负载元件具有耦合到电源电压端子的第一端子和第二端子。 跨导器件具有耦合到负载元件的第二端子的第一电流电极，耦合到负增益放大器的输出的控制电极和耦合到负增益放大器的输入的第二电流电极。
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公开(公告)号：US20170346520A1
公开(公告)日：2017-11-30
申请号：US15168318
申请日：2016-05-31
申请人： Vitor Pereira , Mustafa Koroglu , Ruifeng Sun , Ramin Khoini-Poorfard , Abdulkerim Coban , Yu Su , Krishna Pentakota
发明人： Vitor Pereira , Mustafa Koroglu , Ruifeng Sun , Ramin Khoini-Poorfard , Abdulkerim Coban , Yu Su , Krishna Pentakota
CPC分类号： H04B1/30 , H04B1/0028 , H04B1/005 , H04B1/1027 , H04N21/4263
摘要： In one example, a semiconductor die includes multi-standard, multi-channel expandable television/satellite receiver that can be flexibly implemented in a number of different configurations to enable incorporation into a plurality of different systems. The semiconductor die may include multiple tuners to receive and tune a terrestrial radio frequency (RF) signal and a satellite RF signal. These tuners may include different frequency synthesizers including voltage controlled oscillators (VCOs) to generate VCO signals at different frequencies, mixers to downconvert the RF signals to baseband signals using the VCO signals. In an implementation, the semiconductor die may further include shared circuitry coupled to the tuners to digitize, process and demodulate the baseband signals.
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公开(公告)号：US20180316310A1
公开(公告)日：2018-11-01
申请号：US15498937
申请日：2017-04-27
申请人： Krishna Pentakota , Aslamali Rafi
发明人： Krishna Pentakota , Aslamali Rafi
摘要： In one embodiment, an apparatus includes a voltage controlled oscillator (VCO) to output an oscillating signal. The VCO may have a tank formed of at least one capacitor coupled in parallel with at least one inductor, and a plurality of transconductors to provide energy to the tank. At least one of the plurality of transconductors can be controllably switched to be coupled to the tank or to be decoupled from the tank.
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