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热词
    • 2. 发明授权
    • Apparatus and method for deterministic receiver testing
    • 用于确定性接收机测试的装置和方法
    • US06260167B1
    • 2001-07-10
    • US09255708
    • 1999-02-23
    • William LoYuhua Huang
    • William LoYuhua Huang
    • G01R3128
    • H04L43/50H04B17/20
    • A physical layer (PHY) device in an Ethernet type LAN is configured to permit ease of testing of the PHY device's logic. The PHY device comprises a PHY receiver, a start frame delimiter detector (SFD), and automatic checker circuitry in which the clock position and the PHY pop-up position of received signals can be determined. The automatic checker circuitry receives a data signal having a predetermined pattern corresponding to a valid data packet from a pattern generating circuit. The automatic checker circuitry outputs a verification signal indicating whether the supplied signals are valid. This arrangement supports a one pass test, which reduces production costs and testing duration.
    • 以太网类型LAN中的物理层(PHY)设备被配置为允许容易地测试PHY设备的逻辑。 PHY设备包括PHY接收器,起始帧定界符检测器(SFD)和自动检测器电路,其中可以确定接收信号的时钟位置和PHY弹出位置。 自动检查电路从模式发生电路接收具有与有效数据分组对应的预定模式的数据信号。 自动检查器电路输出指示所提供的信号是否有效的验证信号。 这种安排支持一次通过测试,这降低了生产成本和测试持续时间。