5V PCM CODEC-FILTER

5V PCM Codec-Filter The MC145484 is a general purpose per channel PCM Codec–Filter with pin selectable Mu–Law or A–Law companding, and is offered in 20–pin SOG and SSOP packages. This device performs the voice digitization and reconstruction as well as the band limiting and smoothing required for

文件：293.68 Kbytes 页数：26 Pages

Motorola

摩托罗拉

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

5V PCM Codec-Filter

Overview The MC145484 is a general purpose per-channel PCM Codec-Filter with pin selectable Mu-Law or A-Law companding, and is offered in 20-pin SOIC, SSOP, and TSSOP packages. This device performs the voice digitization and reconstruction as well as the band limiting and smoothing required for PCM \n\t•Single 5 V Power Supply\n\t•Typical Power Dissipation of 15 mW, Power-Down of 0.01 mW\n\t•Fully-Differential Analog Circuit Design for Lowest Noise\n\t•Transmit Band-Pass and Receive Low-Pass Filters On-Chip\n\t•Active R-C Pre-Filtering and Post-Filtering\n\t•Mu-Law and A-Law Companding by Pin ;

恩XP

恩智浦

5V PCM CODEC-FILTER

5V PCM Codec-Filter The MC145484 is a general purpose per channel PCM Codec–Filter with pin selectable Mu–Law or A–Law companding, and is offered in 20–pin SOG and SSOP packages. This device performs the voice digitization and reconstruction as well as the band limiting and smoothing required for

文件：293.68 Kbytes 页数：26 Pages

Motorola

摩托罗拉

5V PCM CODEC-FILTER

5V PCM Codec-Filter The MC145484 is a general purpose per channel PCM Codec–Filter with pin selectable Mu–Law or A–Law companding, and is offered in 20–pin SOG and SSOP packages. This device performs the voice digitization and reconstruction as well as the band limiting and smoothing required for

文件：293.68 Kbytes 页数：26 Pages

Motorola

摩托罗拉