PSB2163Alternative Realization

The same leaps and bounds in the rapid development of science today, the pace ofdevelopment of the microelectronics industry technical level, the major device manufacturersintegrated circuit product innovation. Compatible high-speed devices turnover rate for thesustainability of the development and maintenance of electronic products and product seriesfeatures very challenging.The paper focuses on the Siemens Discontinued device PSB2163using in thecommunication system and its alternatives design. PSB2163as a multi-function digitalcommunication devices Codec, has been widely used in China’s large-scale digital switchingsystems and digital communications terminal. Obsolete Parts PSB2163alternative circuit toachieve stable work to bring more effective protection of the existing digital communicationsystem.We make the alternative circuit’s function and performance as same as the PSB2163, inthis paper focuses on PSB2163alternative implementations of hardware circuit and logicfunctions realization of the principle carried out a detailed analysis and description.In the PSB2163Alternate implementations of the hardware circuit design, the use of ageneral-purpose FPGA external device W681310Codec program as a hardware circuit designframework, replacing circuit is achieved by the increase of the power supply circuit, the signallevel conversion circuit with the analog signal compliant circuit PSB2163electricalconnection of each signal of the peripheral circuit.In the alternative circuit module package design, the details of how to reduce the devicepackage, how the use of multi-layer design of the PCB board on the overall volume of thecircuit module is carried out, and eventually meet PSB2163actual circuit design principle andprocess of the package size.PSB2163internal function of the realization, after PSB2163used to function in theactual product analysis, and after a reasonable deletion alternative circuitry required toimplement the function, and finally through the FPGA logic software programming,alternative circuit module PSB2163analog functions. In logic software implementation,including PSB2163control interface and the realization of the audio data interface design,voice coding compression decompression algorithm, the Hybrid algorithm for multi-channeldigital audio signal as well as the realization of the voice activity detection function of contentpresentation.In this paper, the design of PSB2163alternative implementations undergo a rigorous development and debugging and functional testing, has been successfully implemented in theDivision I digital communication products alternative. And the introduction of Voice ActivityDetection function realization.