Universal Digital Loop Transceiver (UDLT-3) Evaluation Module

Application Circuit At the frequencies of interest (128 kHz and 256 kHz), ordinary telephone wire has a characteristic impedance of about 110 W. In the schematic above, loading resistors R19–22 between LO1 and LO2 and the Tx windings of the transformer are set to 110 W. The series combination o

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Universal Digital Loop Transceiver (UDLT-3)

Overview The MC145423 is a CMOS integrated circuit designed to be one of the major building blocks in digital subscriber voice/data telephone systems and remote data acquisition and control systems.\n The UDLT-3 incorporates into one device, all the functionality of the MC145421 (ISDN UDLT-2 master) \n•VDD = 4.5 V to 5.5 V\n•28-Pin SOIC and TSSOP Packages\n•Protocol Independent\n•Pin Controlled Power-Down\n•LI Sensitivity Control in Master Mode\n•2.048 MHz Output in Slave Mode\nUDLT-2 \n•Synchronous Full Duplex 160 kbps Voice and Data\nCommunications in a 2B+2D Format for ISDN Compatibility\n•P;

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Universal Digital Loop Transceiver (UDLT-3)

Universal Digital Loop Transceiver (UDLT-3) Pin Selectable Master/Slave Limited Distance Modem The MC145423 is a CMOS integrated circuit designed to be one of the major building blocks in digital subscriber voice/data telephone systems and remote data acquisition and control systems. The UDLT-

文件：4.43167 Mbytes 页数：30 Pages

freescaleFreescale Semiconductor, Inc

飞思卡尔飞思卡尔半导体

Universal Digital Loop Transceiver (UDLT-3)

Universal Digital Loop Transceiver (UDLT-3) Pin Selectable Master/Slave Limited Distance Modem The MC145423 is a CMOS integrated circuit designed to be one of the major building blocks in digital subscriber voice/data telephone systems and remote data acquisition and control systems. The UDLT-

文件：4.43167 Mbytes 页数：30 Pages

freescaleFreescale Semiconductor, Inc

飞思卡尔飞思卡尔半导体

Universal Digital Loop Transceiver (UDLT-3)

Universal Digital Loop Transceiver (UDLT-3) Pin Selectable Master/Slave Limited Distance Modem The MC145423 is a CMOS integrated circuit designed to be one of the major building blocks in digital subscriber voice/data telephone systems and remote data acquisition and control systems. The UDLT-

文件：4.43167 Mbytes 页数：30 Pages

freescaleFreescale Semiconductor, Inc

飞思卡尔飞思卡尔半导体

Universal Digital Loop Transceiver (UDLT-3) Evaluation Module

Application Circuit At the frequencies of interest (128 kHz and 256 kHz), ordinary telephone wire has a characteristic impedance of about 110 W. In the schematic above, loading resistors R19–22 between LO1 and LO2 and the Tx windings of the transformer are set to 110 W. The series combination o

文件：759.29 Kbytes 页数：40 Pages

恩XP