The evaluation kit is controlled with a user-friendly PC application, which interfaces to the board via USB. In addition to controlling the board, the USB interface allows bridging of video data from the CX25838 to the PC, for evaluation of pure digital video.
The CX25838 Evaluation一体成型电感 Kit provides DVR manufacturers with a simple, yet powerful evaluation and development platform for systems bas电感器和电容器ed on the device.一体电感 The CX25838 is the world’s only eight-channel integrated audio/video decoder for surveillance DVR applications.
评估板CX25838-EVK主要优势:
• 模压电感器Eight Video Decoders and Audio A/Ds: Highest level of integration, smallest PCB footprint
• Frame-Interleaved Video Outputs: Eliminate glue-logic and reduce codec overhead
• Designed Specifically for Video Surveillance DVR Applications: Motion Detection,Line-Locked Camera, and Low-Level Input Features
• 5-line comb filtering: Excellent luma/chroma separation for best image 绕行电感器quality and lowest compression bitrate Conexant CX25874
• Four high-performance, 10-bit DAC outputs support composite, S-Video, and component analog out
• Adaptive flicker filtering and peaking filters for text sharpness
图2.评估板CX25838-EVK外形图
图3.评估板CX25838-EVK(CX25838/CX25874/CX20709)方框图
节电模式降低继电器驱动功耗 某些设备如电信或者自动测试设备(ATE)常使用多排功耗。继电器线圈所需的吸合电压远高于其保持电压。认识到这一点，就有可能设计出一种通过减少线圈驱动电流来节省能耗的电路。本应用笔记讨论一种具有内置 移动电话与PDA应用中LED照明驱动电路的设计LED如何改善移动电话与PDA中的灯光效果和性能 由于具备高照明效率、长效性与小体积，LED已成为便携式设备，如移动电话与PDA等的必然选择，约0.1W的低功耗白光LED目前正广泛应用在LCD显示面板 LED路灯节能监控系统的设计1 引言城市特别是中小城市目前路灯照明存在的主要问题是总体规划滞后，灯光控制方法和管理手段落后，所用电器、灯具科技含量低。本文以高亮度LED 为路灯核心器件，设计路灯监控系统，现场由从单片机采集路灯电
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