Receiver architectures for digital radio broadcasts and associated methods
    41.
    发明申请
    Receiver architectures for digital radio broadcasts and associated methods 有权
    数字无线电广播接收机架构及相关方法

    公开(公告)号:US20080232480A1

    公开(公告)日:2008-09-25

    申请号:US11726500

    申请日:2007-03-22

    IPC分类号: H04L27/00

    摘要: Receiver architectures and related methods are disclosed for high definition (HD) and digital radio FM broadcast receivers. The radio receiver architectures are configured to utilize multiple analog-to-digital converters (ADCs) to handle the digital radio spectrum and can be configured to modify a target IF frequencies depending upon the mode of operation of the receiver. For example, the receiver can include an analog FM reception mode and a digital FM reception mode for which different down-conversions are used for the same analog-plus-digital audio broadcast channel. If desired, the radio broadcast receivers disclosed can be configured so that they only receive digital FM radio content, for example, if the analog FM broadcast was of no interest and/or if the broadcast was all digital.

    摘要翻译: 公开了用于高分辨率(HD)和数字无线电FM广播接收机的接收机架构和相关方法。 无线电接收器架构被配置为利用多个模数转换器(ADC)来处理数字无线电频谱,并且可以被配置为根据接收机的操作模式来修改目标IF频率。 例如,接收机可以包括模拟FM接收模式和数字FM接收模式,对于相同的模拟 - 数字音频广播频道,接收模式和不同的下变频被使用。 如果需要,所公开的无线电广播接收机可以被配置为使得它们仅接收数字FM无线电内容,例如,如果模拟FM广播不感兴趣和/或如果广播全部是数字的。

    Ratiometric clock systems for integrated receivers and associated methods
    43.
    发明授权
    Ratiometric clock systems for integrated receivers and associated methods 有权
    用于集成接收机和相关方法的比例时钟系统

    公开(公告)号:US07272373B2

    公开(公告)日:2007-09-18

    申请号:US10880483

    申请日:2004-06-30

    IPC分类号: H04B1/28

    CPC分类号: H04B1/30

    摘要: A ratiometric clock system for an integrated receiver and associated method are disclosed that provide an advantageous solution for combining digital signal processing (DSP) circuitry on the same integrated circuit as mixer and local oscillator (LO) generation circuitry. The generation circuitry generates an oscillation signal that is passed through a first divider to generate mixing signals for the mixer and that is passed through a second divider to generate a digital clock signal that is utilized by the DSP circuitry. This digital clock signal can be utilized by integrated analog-to-digital conversion circuitry, as well.

    摘要翻译: 公开了一种用于集成接收机和相关方法的比例时钟系统,其提供用于将数字信号处理(DSP)电路组合在与混频器和本地振荡器(LO)生成电路相同的集成电路上的有利解决方案。 产生电路产生振荡信号,该信号通过第一分频器以产生用于混频器的混频信号,并通过第二分频器产生由DSP电路利用的数字时钟信号。 该数字时钟信号也可以由集成的模数转换电路使用。

    AM/FM tuner saw filter-less architecture using AM frequency band up-conversion
    44.
    发明申请
    AM/FM tuner saw filter-less architecture using AM frequency band up-conversion 审中-公开
    AM / FM调谐器使用AM频段上变频来实现无滤波器架构

    公开(公告)号:US20070178863A1

    公开(公告)日:2007-08-02

    申请号:US11471917

    申请日:2006-06-21

    IPC分类号: H03D5/00

    CPC分类号: H03J1/0008 H04B1/0096

    摘要: A receiver for AM and FM broadcast signals is disclosed. FM signals are received from an FM antenna and then processed by receive path circuitry or an FM tuner integrated circuit (IC) to produce audio output signals, such as digital audio output signals. The AM signals are received by an AM antenna and then up-converted using a fixed-clock to a frequency range nearer to the FM signal frequencies. The up-converted AM frequencies are then processed using the receive path circuitry. A multiplexer (MUX) allows for selection of the FM signals or the up-converted AM signals to be passed through for signal processing.

    摘要翻译: 公开了用于AM和FM广播信号的接收机。 FM信号从FM天线接收,然后由接收路径电路或FM调谐器集成电路(IC)处理,以产生音频输出信号,例如数字音频输出信号。 AM信号由AM天线接收,然后使用固定时钟上变频到更接近FM信号频率的频率范围。 然后使用接收路径电路处理上变频的AM频率。 多路复用器(MUX)允许选择要传送的FM信号或上变频的AM信号进行信号处理。

    Integrated low-IF terrestrial audio broadcast receiver and associated method
    45.
    发明授权
    Integrated low-IF terrestrial audio broadcast receiver and associated method 有权
    综合低频IF地面音频广播接收机及相关方法

    公开(公告)号:US08532601B2

    公开(公告)日:2013-09-10

    申请号:US13293274

    申请日:2011-11-10

    IPC分类号: H04B1/28

    CPC分类号: H04B1/18 H04B1/30

    摘要: An integrated low-IF (low intermediate frequency) terrestrial broadcast receiver and associated method are disclosed that provide an advantageous and cost-efficient solution. The integrated receiver includes a mixer, local oscillator generation circuitry, low-IF conversion circuitry, and DSP circuitry. And the integrated receiver is particularly suited for small, portable devices and the reception of terrestrial audio broadcasts, such as FM and AM terrestrial audio broadcast, in such portable devices.

    摘要翻译: 公开了一种集成的低中频(低中频)地面广播接收机和相关方法,其提供了有利且具有成本效益的解决方案。 集成接收器包括混频器,本地振荡器产生电路,低IF转换电路和DSP电路。 并且集成接收机特别适用于小型便携式设备以及在这种便携式设备中接收地面音频广播,诸如FM和AM地面音频广播。

    Input stage for an amplifier
    46.
    发明授权
    Input stage for an amplifier 有权
    放大器的输入级

    公开(公告)号:US08203385B2

    公开(公告)日:2012-06-19

    申请号:US12692730

    申请日:2010-01-25

    IPC分类号: H03G3/10 H03F3/00

    CPC分类号: H04B1/18 H03F3/45183

    摘要: In one embodiment, the present invention includes an amplifier having an input to receive a radio frequency (RF) signal from an output node of a source. An input stage coupled to the amplifier input may include one or more components to aid in processing of incoming signals. One such component coupled between the source and the input of the amplifier is a coupling capacitor used to maintain a bias voltage of the amplifier at a different potential than a DC voltage of the output node. In certain applications, the amplifier and the coupling capacitor may be integrated on a single substrate.

    摘要翻译: 在一个实施例中,本发明包括具有用于从源的输出节点接收射频(RF)信号的输入的放大器。 耦合到放大器输入的输入级可以包括一个或多个组件以帮助处理输入信号。 耦合在放大器的源极和输入之间的一个这样的部件是用于将放大器的偏置电压保持在与输出节点的直流电压不同的电位的耦合电容器。 在某些应用中,放大器和耦合电容器可以集成在单个衬底上。

    Digital architecture using one-time programmable (OTP) memory
    47.
    发明授权
    Digital architecture using one-time programmable (OTP) memory 失效
    数字架构采用一次性可编程(OTP)存储器

    公开(公告)号:US07613913B2

    公开(公告)日:2009-11-03

    申请号:US11385520

    申请日:2006-03-21

    IPC分类号: G06F9/24

    CPC分类号: G06F8/60

    摘要: In one aspect, the present invention includes an apparatus having a digital signal processor (DSP), a controller coupled to the DSP to provide control signals to the DSP, and a one-time programmable (OTP) memory coupled to the DSP and the controller. The OTP memory may include multiple code portions including a first code block to control the DSP and a second code block to control the controller.

    摘要翻译: 一方面,本发明包括具有数字信号处理器(DSP)的装置,耦合到DSP以向DSP提供控制信号的控制器以及耦合到DSP和控制器的一次可编程(OTP)存储器 。 OTP存储器可以包括多个代码部分,包括用于控制DSP的第一代码块和用于控制控制器的第二代码块。

    Input stage for an amplifier
    48.
    发明申请
    Input stage for an amplifier 有权
    放大器的输入级

    公开(公告)号:US20080204144A1

    公开(公告)日:2008-08-28

    申请号:US12069604

    申请日:2008-02-12

    IPC分类号: H03G3/10 H03G3/00

    CPC分类号: H04B1/18 H03F3/45183

    摘要: In one embodiment, the present invention includes an amplifier having an input to receive a radio frequency (RF) signal from an output node of a source. An input stage coupled to the amplifier input may include one or more components to aid in processing of incoming signals. One such component coupled between the source and the input of the amplifier is a coupling capacitor used to maintain a bias voltage of the amplifier at a different potential than a DC voltage of the output node. In certain applications, the amplifier and the coupling capacitor may be integrated on a single substrate.

    摘要翻译: 在一个实施例中,本发明包括具有用于从源的输出节点接收射频(RF)信号的输入的放大器。 耦合到放大器输入的输入级可以包括一个或多个组件以帮助处理输入信号。 耦合在放大器的源极和输入之间的一个这样的部件是用于将放大器的偏置电压保持在与输出节点的直流电压不同的电位的耦合电容器。 在某些应用中,放大器和耦合电容器可以集成在单个衬底上。

    Highly integrated radio-frequency apparatus and associated methods
    49.
    发明授权
    Highly integrated radio-frequency apparatus and associated methods 有权
    高度集成的射频设备及相关方法

    公开(公告)号:US07324496B1

    公开(公告)日:2008-01-29

    申请号:US10426042

    申请日:2003-04-29

    IPC分类号: H04J3/00

    CPC分类号: H04B15/04

    摘要: A method of operating a radio-frequency (RF) circuitry and a signal-processing circuitry in a mobile telephone apparatus includes operating the RF circuitry during a first time period. During the first period, the RF circuitry generates a set of data from an RF signal received by the mobile telephone apparatus. The method further includes storing the set of data in a storage device. The method also includes operating the signal-processing circuitry during a second time period to process the set of data.

    摘要翻译: 在移动电话设备中操作射频(RF)电路和信号处理电路的方法包括在第一时间段内操作RF电路。 在第一时段期间,RF电路从由移动电话设备接收的RF信号产生一组数据。 该方法还包括将该组数据存储在存储设备中。 该方法还包括在第二时间段期间操作信号处理电路以处理该组数据。

    Integrated low-IF terrestrial audio broadcast receiver and associated method
    50.
    发明授权
    Integrated low-IF terrestrial audio broadcast receiver and associated method 有权
    综合低频IF地面音频广播接收机及相关方法

    公开(公告)号:US07272375B2

    公开(公告)日:2007-09-18

    申请号:US10881926

    申请日:2004-06-30

    IPC分类号: H04B1/28

    CPC分类号: H04B1/18 H04B1/30

    摘要: An integrated low-IF (low intermediate frequency) terrestrial broadcast receiver and associated method are disclosed that provide an advantageous and cost-efficient solution. The integrated receiver includes a mixer, local oscillator generation circuitry, low-IF conversion circuitry, and DSP circuitry. And the integrated receiver is particularly suited for small, portable devices and the reception of terrestrial audio broadcasts, such as FM and AM terrestrial audio broadcast, in such portable devices.

    摘要翻译: 公开了一种集成的低中频(低中频)地面广播接收机和相关方法,其提供了有利且具有成本效益的解决方案。 集成接收器包括混频器,本地振荡器产生电路,低IF转换电路和DSP电路。 并且集成接收机特别适用于小型便携式设备以及在这种便携式设备中接收地面音频广播,诸如FM和AM地面音频广播。