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公开(公告)号：US20210202375A1
公开(公告)日：2021-07-01
申请号：US16728224
申请日：2019-12-27
Applicant: Silicon Laboratories Inc.
Inventor： Thomas C. Fowler , Jerome T. Wenske , Ahsanul Islam , Dan B. Kasha
IPC: H01L23/522 , H01L23/00 , H01L23/532 , H01L23/528 , H01L49/02
Abstract: An isolation capacitor structure reduces the likelihood of breakdown in the passivation layers by physically re-shaping or dividing the top plate of the isolation capacitor into two segments. In that way, the electric field is driven down and away from the passivation surfaces. One embodiment utilizes a series capacitor formed by the top metal plate of the capacitor and an additional “top hat” plate above the top metal plate that redirects the fields into the main isolation capacitor. Vias may be included between the top hat plate and the top metal plate. Another approach reshapes the top plate to have an integrated top hat structure and achieves similar results of directing charge down and away from the passivation layer surface breakdown paths.
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公开(公告)号：US20170288764A1
公开(公告)日：2017-10-05
申请号：US15086248
申请日：2016-03-31
Applicant: Silicon Laboratories Inc.
Inventor： Russell Croman , Nebojsa Stanic , Michael Johnson , Dan B. Kasha , Michael R. May
CPC classification number: H04B7/08 , H04B1/0064 , H04B1/0075 , H04B1/16
Abstract: In an example, a method includes: in a first mode, causing a first tuner of an entertainment system to receive and process a first RF signal from a first antenna configured for a first band to output a first audio signal of a first radio station and causing a second tuner of the entertainment system to receive a second RF signal from a second antenna configured for the first band to determine signal quality metrics for one or more radio stations of the first band; in a second mode, causing the first tuner to output a first signal representation of the first RF signal and causing the second tuner to receive and process the second RF signal to output a second signal representation of the second RF signal; and causing a phase diversity combining circuit to process the first and second signal representations to output an audio signal of the first radio station, without disruption of output from the entertainment system of a broadcast of the first radio station.
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公开(公告)号：US11205696B2
公开(公告)日：2021-12-21
申请号：US16726477
申请日：2019-12-24
Applicant: Silicon Laboratories Inc.
Inventor： Dan B. Kasha , Russell Croman , Stefan N. Mastovich , Thomas C. Fowler
Abstract: An integrated circuit has an isolation capacitor structure that reduces the risk of breakdown from high electric fields at the edge of the top metal plate of the capacitor. The capacitor structure includes a bottom metal plate above a substrate. A first dielectric layer of a first dielectric material is formed between the bottom metal plate and the top metal plate. The capacitor structure also includes a thin narrow ring formed of a second dielectric material located under a portion of the top metal plate. The second dielectric material has a higher dielectric constant than the first dielectric material. The thin narrow ring follows the shape of the edge of the top metal plate with a portion of the ring underneath the top metal plate and a portion outside the edge of the top metal plate to thereby be located at a place of the maximum electric field.
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公开(公告)号：US10128930B2
公开(公告)日：2018-11-13
申请号：US15710967
申请日：2017-09-21
Applicant: Silicon Laboratories Inc.
Inventor： Russell Croman , Nebojsa Stanic , Michael Johnson , Dan B. Kasha , Michael R. May
Abstract: In an example, a method includes: in a first mode, causing a first tuner of an entertainment system to receive and process a first RF signal from a first antenna configured for a first band to output a first audio signal of a first radio station and causing a second tuner of the entertainment system to receive a second RF signal from a second antenna configured for the first band to determine signal quality metrics for one or more radio stations of the first band; in a second mode, causing the first tuner to output a first signal representation of the first RF signal and causing the second tuner to receive and process the second RF signal to output a second signal representation of the second RF signal; and causing a phase diversity combining circuit to process the first and second signal representations to output an audio signal of the first radio station, without disruption of output from the entertainment system of a broadcast of the first radio station.
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公开(公告)号：US09002306B2
公开(公告)日：2015-04-07
申请号：US14452024
申请日：2014-08-05
Applicant: Silicon Laboratories Inc.
Inventor： Jing Li , Dan B. Kasha , Aslamali Rafi
Abstract: A method includes receiving a desired channel indication in a radio tuner, determining a band of operation in which the channel is located, and if the channel is within a first band coupling multiple inductors into a resonant tank, and if the desired channel is within a second band coupling a single inductor into the resonant tank.
Abstract translation: 一种方法包括在无线电调谐器中接收期望的信道指示，确定信道所位于的操作频带，以及如果信道在将多个电感器耦合到谐振槽内的第一频带内，并且如果期望信道在 第二频带将单个电感器耦合到谐振槽中。
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Patent Agency Ranking
公开(公告)号：US20210193791A1
公开(公告)日：2021-06-24
申请号：US16726477
申请日：2019-12-24
Applicant: Silicon Laboratories Inc.
Inventor： Dan B. Kasha , Russell Croman , Stefan N. Mastovich , Thomas C. Fowler
Abstract: An integrated circuit has an isolation capacitor structure that reduces the risk of breakdown from high electric fields at the edge of the top metal plate of the capacitor. The capacitor structure includes a bottom metal plate above a substrate. A first dielectric layer of a first dielectric material is formed between the bottom metal plate and the top metal plate. The capacitor structure also includes a thin narrow ring formed of a second dielectric material located under a portion of the top metal plate. The second dielectric material has a higher dielectric constant than the first dielectric material. The thin narrow ring follows the shape of the edge of the top metal plate with a portion of the ring underneath the top metal plate and a portion outside the edge of the top metal plate to thereby be located at a place of the maximum electric field.
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公开(公告)号：US20180026701A1
公开(公告)日：2018-01-25
申请号：US15710967
申请日：2017-09-21
Applicant: Silicon Laboratories Inc.
Inventor： Russell Croman , Nebojsa Stanic , Michael Johnson , Dan B. Kasha , Michael R. May
CPC classification number: H04B7/08 , H04B1/0064 , H04B1/0075 , H04B1/16
Abstract: In an example, a method includes: in a first mode, causing a first tuner of an entertainment system to receive and process a first RF signal from a first antenna configured for a first band to output a first audio signal of a first radio station and causing a second tuner of the entertainment system to receive a second RF signal from a second antenna configured for the first band to determine signal quality metrics for one or more radio stations of the first band; in a second mode, causing the first tuner to output a first signal representation of the first RF signal and causing the second tuner to receive and process the second RF signal to output a second signal representation of the second RF signal; and causing a phase diversity combining circuit to process the first and second signal representations to output an audio signal of the first radio station, without disruption of output from the entertainment system of a broadcast of the first radio station.
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公开(公告)号：US09154084B2
公开(公告)日：2015-10-06
申请号：US13953803
申请日：2013-07-30
Applicant: Silicon Laboratories Inc.
Inventor： Navin Harwalkar , Dan B. Kasha
CPC classification number: H03F1/223 , H03F1/565 , H03F3/193 , H03F2200/213 , H03F2200/225 , H03F2200/294 , H04B1/18
Abstract: An apparatus includes an integrated circuit. The integrated circuit includes a low-noise amplifier having a first complex input impedance. The integrated circuit includes a complex attenuator coupled to an input terminal of the integrated circuit. The complex attenuator has a second complex input impedance and a first complex output impedance. The apparatus may include a matching network coupled to the input terminal of the integrated circuit. The matching network is external to the integrated circuit. The matching network may have a first real input impedance and a second complex output impedance. The second complex output impedance is matched to the second complex input impedance.
Abstract translation: 一种装置包括集成电路。 集成电路包括具有第一复合输入阻抗的低噪声放大器。 集成电路包括耦合到集成电路的输入端的复数衰减器。 复合衰减器具有第二复合输入阻抗和第一复合输出阻抗。 该装置可以包括耦合到集成电路的输入端的匹配网络。 匹配网络在集成电路外部。 匹配网络可以具有第一实际输入阻抗和第二复合输出阻抗。 第二个复合输出阻抗与第二个复合输入阻抗匹配。
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公开(公告)号：US20150035595A1
公开(公告)日：2015-02-05
申请号：US13953803
申请日：2013-07-30
Applicant: Silicon Laboratories Inc.
Inventor： Navin Harwalkar , Dan B. Kasha
IPC: H03F3/189
CPC classification number: H03F1/223 , H03F1/565 , H03F3/193 , H03F2200/213 , H03F2200/225 , H03F2200/294 , H04B1/18
Abstract: An apparatus includes an integrated circuit. The integrated circuit includes a low-noise amplifier having a first complex input impedance. The integrated circuit includes a complex attenuator coupled to an input terminal of the integrated circuit. The complex attenuator has a second complex input impedance and a first complex output impedance. The apparatus may include a matching network coupled to the input terminal of the integrated circuit. The matching network is external to the integrated circuit. The matching network may have a first real input impedance and a second complex output impedance. The second complex output impedance is matched to the second complex input impedance.
Abstract translation: 一种装置包括集成电路。 集成电路包括具有第一复合输入阻抗的低噪声放大器。 集成电路包括耦合到集成电路的输入端的复数衰减器。 复合衰减器具有第二复合输入阻抗和第一复合输出阻抗。 该装置可以包括耦合到集成电路的输入端的匹配网络。 匹配网络在集成电路外部。 匹配网络可以具有第一实际输入阻抗和第二复合输出阻抗。 第二个复合输出阻抗与第二个复合输入阻抗匹配。
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公开(公告)号：US09787388B1
公开(公告)日：2017-10-10
申请号：US15086248
申请日：2016-03-31
Applicant: Silicon Laboratories Inc.
Inventor： Russell Croman , Nebojsa Stanic , Michael Johnson , Dan B. Kasha , Michael R. May
CPC classification number: H04B7/08 , H04B1/0064 , H04B1/0075 , H04B1/16
Abstract: In an example, a method includes: in a first mode, causing a first tuner of an entertainment system to receive and process a first RF signal from a first antenna configured for a first band to output a first audio signal of a first radio station and causing a second tuner of the entertainment system to receive a second RF signal from a second antenna configured for the first band to determine signal quality metrics for one or more radio stations of the first band; in a second mode, causing the first tuner to output a first signal representation of the first RF signal and causing the second tuner to receive and process the second RF signal to output a second signal representation of the second RF signal; and causing a phase diversity combining circuit to process the first and second signal representations to output an audio signal of the first radio station, without disruption of output from the entertainment system of a broadcast of the first radio station.
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