PMM/PCM-4/PCM WG PCM channel analyzer

The pcm-4 is a reference measuring instrument that can be used to determine the characteristics (" half-channel "measurements) between the analog and digital stages with high speed and accuracy.The meter contains built-in self-check and sample preparation routines to address the requirements of the digital system used in transmission and switching for test and measurement equipment.The "half-channel" measurement pcm-4 can perform a variety of measurements between the analog and digital levels of PCM multiplexing devices and digital switching modules, and because the instrument can also perform d-d measurements, it can also test multiplexing converters.To measure a single module.For example, codecs, all required test capabilities are available through the 64Kbit/s interface.The operation is simple and the results are analyzed directlyThese meters are easy to use, whether directly controlled by IEC 625/IEEE 488 or manually operated.The built-in screen measures and displays results through menu Settings.Results can be displayed as a table, graph, or histogram.The measurement method and parameters are selected with the touch key.Presetting some common applications helps speed up meter operation.Up to 40 Settings can be linked together to form a test sequence.Users can set up automated testing procedures to meet their specific requirements in this way.Pcm-4 serves as an automatic measurement systemNo manual routine measurement is required when pcm-4 is used;When the instrument is used as a system controller (SC), the required sequence of measurements is programmed directly.-- user-specific programming of the measurement sequence by simply linking up to 40 Settings.-- the channel measurement items of each setting can be determined, such as frequency response measurement of each channel.-- automatic measurement series without external controller.Pcm-4 controls the mu-30 test point scanner and records the measurement results on the appropriate printer.Using LabWindows ® driver will easily PCM - 5 and MU - 30 LabWindows software development platform.LabWindows is especially suitable for research and development, production testing and calibration.A simple click on the mouse is enough to set the pcm-4 with the equipped instrument driver.Once the command is copied, the measurement sequence is combined into the application.The ideal solution for different test situations requires different measurement methods for different applications.Pcm-4 can provide all the means;The pcm-5 is a basic instrument with few options.

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