MOTOROLA-5264-PCM time Division multiplexer for digital audio signal transmission
Brand MOTOROLA Color Standard Application Industrial height 216mm rated current 457mA
Protection level IP45 Suitable for the motor power 106KW Application Site Power Industry Material Code GJR2391500R1220 Power industry HIEE401782R0001 Part No. 5264
Applicable pipe 2 Whether imported is weighing 3.66 kg can be sold nationwide
MOTOROLA-5264-PCM time Division multiplexer for digital audio signal transmission
MOTOROLA-5264 PCM time division Multiplexer is a device used for digital audio signal transmission, it is mainly used in the communication system to convert multiple analog audio signals to digital signals, and through the way of time division multiplexing (TDM) on a channel transmission. This process usually involves the following steps:
Sampling: The input analog audio signal is sampled at equal intervals to convert it into a voltage value at a discrete point in time.
Quantization: The voltage value at each sampling point is then mapped to a finite set of numeric values, usually binary code words. This process may introduce quantization noise.
Encoding: The quantized digital value is encoded into a form suitable for transmission, such as PCM coding (pulse code modulation).
Time division multiplexing: The PCM data of multiple channels are arranged in chronological order to form a composite time division multiplexing frame. In this process, the data of the various channels are assigned to different time slots, so that multiple independent signals can be transmitted simultaneously on the same physical channel.
Synchronization and transmission: In order to ensure that the receiver can properly demultiplexed and recover the original audio signal, it is necessary to add a bit synchronization and frame synchronization signal at the sending end. This synchronous information allows the receiver to know when to start decoding and how to separate the data from the multiple channels.
PCM time division multiplexers such as the MOTOROLA 5264 are commonly used in telephone switching systems, broadcast facilities, and other applications where multiple audio signals need to be transmitted. They provide an efficient way to utilize the limited bandwidth resources, while also providing good anti-jamming performance and high signal quality.
MOTOROLA-5264-PCM time Division multiplexer for digital audio signal transmission
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