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    • 10. 发明申请
    • Electronic Device With Over-The-Air Wireless Self-Testing Capabilities
    • 具有空中无线自测功能的电子设备
    • US20160308626A1
    • 2016-10-20
    • US15097873
    • 2016-04-13
    • Apple Inc.
    • Matthew A. MowBasim NooriYuehui OuyangYi JiangMattia PascoliniRuben Caballero
    • H04B17/19H04B17/14
    • H04B17/14H04B17/19
    • An electronic device may be provided with wireless circuitry. The wireless circuitry may include antennas. The antennas may include phased antenna arrays for handling millimeter wave signals. Antennas may be located in antenna signal paths. The antenna signal paths may include adjustable components such as adjustable filters, adjustable gain amplifiers, and adjustable phase shifters. Circuitry may be incorporated into an electronic device to facilitate wireless self-testing operations. Wireless self-testing may involve use of one antenna to transmit an over-the-air antenna test signal that is received by another antenna. The circuitry that facilitates the wireless self-testing operations may include couplers, adjustable switches for temporarily shorting antenna signal paths together, mixers for mixing down radio-frequency signals to allow digitization with analog-to-digital converters, and other circuitry for supporting self-testing operations.
    • 电子设备可以设置有无线电路。 无线电路可以包括天线。 天线可以包括用于处理毫米波信号的相控天线阵列。 天线可以位于天线信号路径中。 天线信号路径可以包括诸如可调节滤波器,可调增益放大器和可调移相器等可调部件。 电路可以并入到电子设备中以便于无线自检操作。 无线自检可能涉及使用一个天线来发射由另一个天线接收的空中天线测试信号。 促进无线自检操作的电路可以包括耦合器,用于将天线信号路径暂时短路的可调开关,用于混合射频信号以允许与模数转换器进行数字化的混频器以及用于支持自适应的其它电路, 测试操作。