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1. 发明申请

US20040012409A1 FULL-RANGE EXTENDED VOLTAGE AMPLIFIER 有权
标题翻译：全范围扩展电压放大器
公开(公告)号：US20040012409A1
公开(公告)日：2004-01-22
申请号：US10197087
申请日：2002-07-16
发明人： Richard Alexander Erhart
IPC分类号： H03K019/0175
CPC分类号： H03K19/018528 , H03F3/505 , H03F2203/5031 , H03F2203/5033 , H03K19/00315 , H03K19/018521
摘要： A differential amplifier circuit receives full range differential input signals, and produces a full range output signal, using CMOS transistors designed for one-half such operating voltage. The positive and negative input signals differentially drive first and second CMOS transistors. The source terminals of such first and second CMOS transistors are coupled to a current steering circuit by a pair of lower protection transistors; the gate terminals of such lower protection transistors are driven by level-shifted counterparts of the positive and negative input signals. The drain terminals of the first and second CMOS transistors are coupled to a common node via a pair of upper protection transistors, the gate terminals of which are also driven by the level-shifted counterparts of the input signals. The common node is coupled to a source of a reference current by an additional protection transistor; the gate terminal of the additional protection transistor is biased at a shield voltage set at the midpoint of the full operating voltage range.
摘要翻译：差分放大器电路接收全范围差分输入信号，并产生全范围输出信号，使用CMOS设计的半导体工作电压的晶体管。正和负输入信号差分驱动第一和第二CMOS晶体管。这种第一和第二CMOS晶体管的源极端子通过一对下保护晶体管耦合到电流转向电路; 这种下保护晶体管的栅极端子由正和负输入信号的电平移位对等体驱动。第一和第二CMOS晶体管的漏极端子经由一对上部保护晶体管耦合到公共节点，其上的栅极端子也由输入信号的电平移位对等体驱动。公共节点通过附加保护晶体管耦合到参考电流的源极; 附加保护晶体管的栅极端子以设定在整个工作电压范围的中点处的屏蔽电压偏置。

2. 发明申请

US20150249475A1 RADIO FREQUENCY TUNER 审中-公开
标题翻译：无线电频率调谐器
公开(公告)号：US20150249475A1
公开(公告)日：2015-09-03
申请号：US14714772
申请日：2015-05-18
申请人： SiTune Corporation
发明人： Vahid Mesgarpour Toosi , Mohammad Bagher Vahidfar , Saeid Mehrmanesh
IPC分类号： H04B1/10 , H04B17/21 , H04B1/16
CPC分类号： H04B1/1027 , H03F3/193 , H03F3/45179 , H03F3/45197 , H03F3/505 , H03F2200/451 , H03F2203/5033 , H04B1/1638 , H04B17/21
摘要： A RF tuner is described for handling RF signals in a broad frequency range and a broad power range while maintaining high linearity and tolerating high power blockers. A continuous feedback loop comprising a substantially linear LNA and a radio frequency RSSI can adjust the power of the RF signal on the RF side. On the IF side, a continuous feedback loop comprising a substantially linear, variable gain transconductor and a RSSI can adjust the power of the IF signal.
摘要翻译：描述了RF调谐器用于在宽的频率范围和宽的功率范围内处理RF信号，同时保持高线性度并且容许高功率阻抗。包括基本线性LNA和射频RSSI的连续反馈回路可以调节RF侧的RF信号的功率。在IF侧，包括基本线性的可变增益跨导体和RSSI的连续反馈回路可以调节IF信号的功率。

3. 发明授权

US08729926B2 Output signal circuit for use in a receiver 有权
标题翻译：用于接收机的输出信号电路
公开(公告)号：US08729926B2
公开(公告)日：2014-05-20
申请号：US13422362
申请日：2012-03-16
申请人： Mei Lian Lim
发明人： Mei Lian Lim
IPC分类号： H03K3/00
CPC分类号： H03F3/193 , H03F1/483 , H03F3/505 , H03F2200/18 , H03F2203/5033
摘要： According to one embodiment, an output signal circuit for use in a receiver is provided. The output signal circuit is provided with first and second transistors of an insulated gate field effect type, and a backgate bias generator. A source of the first transistor is capable of receiving an input signal. A source of the second transistor is capable of generating an output signal. A backgate bias generator produces a backgate bias voltage which is applied to backgate of the first and second transistors commonly.
摘要翻译：根据一个实施例，提供了一种用于接收机中的输出信号电路。输出信号电路设置有绝缘栅场效应型的第一和第二晶体管，以及背栅偏置发生器。第一晶体管的源极能够接收输入信号。第二晶体管的源极能够产生输出信号。背栅偏置发生器产生一个背栅偏置电压，其通常施加到第一和第二晶体管的背栅。

4. 发明申请

US20130063204A1 Output Signal Circuit For Use In A Receiver 有权
标题翻译：用于接收器的输出信号电路
公开(公告)号：US20130063204A1
公开(公告)日：2013-03-14
申请号：US13422362
申请日：2012-03-16
申请人： Mei Lian LIM
发明人： Mei Lian LIM
IPC分类号： G05F3/02
CPC分类号： H03F3/193 , H03F1/483 , H03F3/505 , H03F2200/18 , H03F2203/5033
摘要： According to one embodiment, an output signal circuit for use in a receiver is provided. The output signal circuit is provided with first and second transistors of an insulated gate field effect type, and a backgate bias generator. A source of the first transistor is capable of receiving an input signal. A source of the second transistor is capable of generating an output signal. A backgate bias generator produces a backgate bias voltage which is applied to backgate of the first and second transistors commonly.
摘要翻译：根据一个实施例，提供了一种用于接收机中的输出信号电路。输出信号电路设置有绝缘栅场效应型的第一和第二晶体管，以及背栅偏置发生器。第一晶体管的源极能够接收输入信号。第二晶体管的源极能够产生输出信号。背栅偏置发生器产生一个背栅偏置电压，其通常施加到第一和第二晶体管的背栅。

5. 发明申请

US20180316323A1 AMPLIFIER 审中-公开
公开(公告)号：US20180316323A1
公开(公告)日：2018-11-01
申请号：US15964776
申请日：2018-04-27
申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人： Yoshiyuki SUGIMOTO
IPC分类号： H03F3/45 , H03F3/68 , H03F1/02 , H03F1/34
CPC分类号： H03F3/45085 , H03F1/0233 , H03F1/34 , H03F3/45094 , H03F3/45475 , H03F3/45529 , H03F3/50 , H03F3/68 , H03F2200/126 , H03F2200/153 , H03F2200/165 , H03F2200/21 , H03F2200/234 , H03F2200/267 , H03F2200/303 , H03F2200/93 , H03F2203/45021 , H03F2203/45022 , H03F2203/45026 , H03F2203/45146 , H03F2203/45151 , H03F2203/45154 , H03F2203/45156 , H03F2203/45418 , H03F2203/45548 , H03F2203/45556 , H03F2203/45571 , H03F2203/45578 , H03F2203/45592 , H03F2203/45596 , H03F2203/45671 , H03F2203/5033
摘要： An amplifier that amplifies a differential signal includes first and second input terminals for receiving two input signals; first and second diodes each including anode and cathode, the anodes being electrically connected to the first and second input terminals; first and second bias current sources being respectively electrically connected to the cathodes of the first and second diodes; an operational amplifier connected to the cathode of the first diode and the cathode of the second diode and configured to amplify a differential signal between signals generated at the cathodes of the first and second diodes; a capacitive element being electrically connected between an input and an output of the operational amplifier; and a differential amplifier provided between the operational amplifier and the first and second input terminals and configured to amplify the two input signals. The first and second bias current sources include a current mirror circuit.

6. 发明申请

US20170294929A1 RADIO FREQUENCY TUNER 审中-公开
公开(公告)号：US20170294929A1
公开(公告)日：2017-10-12
申请号：US15634835
申请日：2017-06-27
申请人： SiTune Corporation
发明人： Vahid Mesgarpour Toosi , Mohammad Bagher Vahidfar , Saeid Mehrmanesh
IPC分类号： H04B1/10 , H04B17/21 , H04B1/16
CPC分类号： H04B1/1027 , H03F3/193 , H03F3/45179 , H03F3/45197 , H03F3/505 , H03F2200/451 , H03F2203/5033 , H04B1/1638 , H04B17/21
摘要： An RF tuner is described for handling RF signals in a broad frequency range and a broad power range while maintaining high linearity and tolerating high power blockers. A continuous feedback loop comprising a substantially linear LNA and an RF RSSI can adjust the power of the RF signal on the RF side. A substantially linear, variable gain transconductor may convert and amplify the voltage of the RF signal to a current signal. The converted signal may be down converted and filtered to an IF or baseband signal. An IF or baseband RSSI may measure the power of the down converted and filtered signal. The measured power may be compared against a preferred value to adjust the amplification of the transconductor.

7. 发明授权

US09059773B2 Radio frequency tuner 有权
标题翻译：射频调谐器
公开(公告)号：US09059773B2
公开(公告)日：2015-06-16
申请号：US12711218
申请日：2010-02-23
申请人： Vahid Mesgarpour Toosi , Mohammad Bagher Vahidfar , Saeid Mehrmanesh
发明人： Vahid Mesgarpour Toosi , Mohammad Bagher Vahidfar , Saeid Mehrmanesh
IPC分类号： H04B1/06 , H04B1/16 , H04B1/10
CPC分类号： H04B1/1027 , H03F3/193 , H03F3/45179 , H03F3/45197 , H03F3/505 , H03F2200/451 , H03F2203/5033 , H04B1/1638 , H04B17/21
摘要： A RF tuner is described for handling RF signals in a broad frequency range and a broad power range while maintaining high linearity and tolerating high power blockers. A continuous feedback loop comprising a substantially linear LNA and a radio frequency RSSI can adjust the power of the RF signal on the RF side. On the IF side, a continuous feedback loop comprising a substantially linear, variable gain transconductor and a RSSI can adjust the power of the IF signal.
摘要翻译：描述了RF调谐器用于在宽的频率范围和宽的功率范围内处理RF信号，同时保持高线性度并且容许高功率阻抗。包括基本线性LNA和射频RSSI的连续反馈回路可以调节RF侧的RF信号的功率。在IF侧，包括基本线性的可变增益跨导体和RSSI的连续反馈回路可以调节IF信号的功率。

8. 发明授权

US08676148B2 Differential amplifier circuit and wireless receiving apparatus 失效
标题翻译：差分放大器电路和无线接收装置
公开(公告)号：US08676148B2
公开(公告)日：2014-03-18
申请号：US12754748
申请日：2010-04-06
申请人： Yosuke Ogasawara
发明人： Yosuke Ogasawara
IPC分类号： H04B1/16
CPC分类号： H03F3/45475 , H03F3/45179 , H03F3/505 , H03F2203/45526 , H03F2203/5033
摘要： A differential amplifier circuit includes a source follower circuit to which is input one of the differential signals and a common source circuit that is connected in series with the source follower circuit and to which is input the other of the differential signals.
摘要翻译：差分放大器电路包括：源极跟随器电路，其输入差分信号之一和与源极跟随器电路串联连接并且被输入另一个差分信号的公共源电路。

9. 发明申请

US20110086603A1 Radio Frequency Tuner 有权
标题翻译：射频调谐器
公开(公告)号：US20110086603A1
公开(公告)日：2011-04-14
申请号：US12711218
申请日：2010-02-23
申请人： Vahid Mesgarpour Toosi , Mohammad Bagher Vahidfar , Saeid Mehrmanesh
发明人： Vahid Mesgarpour Toosi , Mohammad Bagher Vahidfar , Saeid Mehrmanesh
IPC分类号： H04B1/18
CPC分类号： H04B1/1027 , H03F3/193 , H03F3/45179 , H03F3/45197 , H03F3/505 , H03F2200/451 , H03F2203/5033 , H04B1/1638 , H04B17/21
摘要： A RF tuner is described for handling RF signals in a broad frequency range and a broad power range while maintaining high linearity and tolerating high power blockers. A continuous feedback loop comprising a substantially linear LNA and a radio frequency RSSI can adjust the power of the RF signal on the RF side. On the IF side, a continuous feedback loop comprising a substantially linear, variable gain transconductor and a RSSI can adjust the power of the IF signal.
摘要翻译：描述了RF调谐器用于在宽的频率范围和宽的功率范围内处理RF信号，同时保持高线性度并且容许高功率阻抗。包括基本线性LNA和射频RSSI的连续反馈回路可以调节RF侧的RF信号的功率。在IF侧，包括基本线性的可变增益跨导体和RSSI的连续反馈回路可以调节IF信号的功率。

10. 发明申请

US20180132024A1 System and Method for Signal Read-Out Using Source Follower Feedback 审中-公开
公开(公告)号：US20180132024A1
公开(公告)日：2018-05-10
申请号：US15864673
申请日：2018-01-08
申请人： Infineon Technologies AG
发明人： Francesco Polo , Richard Gaggl
IPC分类号： H04R1/04 , H03F1/14 , H03F3/45 , H03F3/50
CPC分类号： H04R1/04 , H03F1/14 , H03F3/45179 , H03F3/505 , H03F2200/03 , H03F2200/151 , H03F2200/153 , H03F2203/45116 , H03F2203/5033 , H04R2201/003
摘要： An embodiment amplifier circuit includes a pair of subcircuits that includes a first subcircuit and a second subcircuit, each of which includes a buffer amplifier and a feedback circuit that includes a feedback capacitor. The amplifier circuit also includes a pair of output terminals. The first subcircuit and the second subcircuit each generate a different output signal of a pair of output signals that includes a first output signal and a second output signal. The amplifier circuit is configured for receiving a positive differential input signal at the first subcircuit, receiving a negative differential input signal at the second subcircuit, and receiving the pair of output signals at the pair of output terminals. The amplifier circuit is also configured for transmitting the first output signal to the feedback circuit of the first subcircuit, and transmitting the second output signal to the feedback circuit of the second subcircuit.

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