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    • 1. 发明申请
    • DUAL INDUCTOR CIRCUIT FOR MULTI-BAND WIRELESS COMMUNICATION DEVICE
    • 用于多带无线通信设备的双电感电路
    • US20110105072A1
    • 2011-05-05
    • US12912584
    • 2010-10-26
    • Maulin Pareshbhai BhagatJohn WoolfreyJose Cabanillas
    • Maulin Pareshbhai BhagatJohn WoolfreyJose Cabanillas
    • H04B1/26
    • H01F17/0006H01F2017/0046H01F2017/0073H01L23/5227H01L27/08H01L2924/0002H04B1/0053H04B1/006H01L2924/00
    • This disclosure describes a dual inductor circuit, which may be particularly useful in a mixer of a wireless communication device to allow the mixer to operate for two different frequency bands or in a multi-differential branch low noise amplifier wherein each of the differential branches possess a different set of gain and linearity characteristics for a signal operating at the same frequency. The dual inductor circuit comprises an inductor-within-inductor design in which a small inductor is disposed within a large inductor. The two inductors may share a ground terminal, but are otherwise physically separated and independent from one another. Terminals of the inner inductor, for example, are not tapped from the outer inductor, which can reduce parasitic effects and electromagnetic interference relative to tapped inductor designs. The independence of the inductors also allows the different inductors to define different resonance frequencies or gain and linearity characteristics, which is desirable.
    • 本公开描述了双电感器电路,其可以在无线通信设备的混频器中特别有用,以允许混频器对于两个不同的频带进行操作,或者在多分支支路低噪声放大器中,其中每个差分支路具有 在相同频率下工作的信号的增益和线性特性不同。 双电感器电路包括电感器内电感器设计,其中小电感器设置在大电感器内。 两个电感器可以共享接地端子,但是在另外物理上分离并且彼此独立。 例如,内部电感器的端子不从外部电感器抽头,这可以减少相对于抽头电感器设计的寄生效应和电磁干扰。 电感器的独立性还允许不同的电感器限定不同的谐振频率或增益和线性特性,这是所希望的。
    • 9. 发明授权
    • Dual inductor circuit for multi-band wireless communication device
    • 用于多频无线通信设备的双电感电路
    • US08219060B2
    • 2012-07-10
    • US12912584
    • 2010-10-26
    • Maulin Pareshbhai BhagatJohn WoolfreyJose Cabanillas
    • Maulin Pareshbhai BhagatJohn WoolfreyJose Cabanillas
    • H04B1/28
    • H01F17/0006H01F2017/0046H01F2017/0073H01L23/5227H01L27/08H01L2924/0002H04B1/0053H04B1/006H01L2924/00
    • This disclosure describes a dual inductor circuit, which may be particularly useful in a mixer of a wireless communication device to allow the mixer to operate for two different frequency bands or in a multi-differential branch low noise amplifier wherein each of the differential branches possess a different set of gain and linearity characteristics for a signal operating at the same frequency. The dual inductor circuit comprises an inductor-within-inductor design in which a small inductor is disposed within a large inductor. The two inductors may share a ground terminal, but are otherwise physically separated and independent from one another. Terminals of the inner inductor, for example, are not tapped from the outer inductor, which can reduce parasitic effects and electromagnetic interference relative to tapped inductor designs. The independence of the inductors also allows the different inductors to define different resonance frequencies or gain and linearity characteristics, which is desirable.
    • 本公开描述了双电感器电路,其可以在无线通信设备的混频器中特别有用,以允许混频器对于两个不同的频带进行操作,或者在多差分支路低噪声放大器中,其中每个差分支路具有 在相同频率下工作的信号的增益和线性特性不同。 双电感器电路包括电感器内电感器设计,其中小电感器设置在大电感器内。 两个电感器可以共享接地端子,但是在另外物理上分离并且彼此独立。 例如,内部电感器的端子不从外部电感器抽头,这可以减少相对于抽头电感器设计的寄生效应和电磁干扰。 电感器的独立性还允许不同的电感器限定不同的谐振频率或增益和线性特性,这是所希望的。