Texas Instruments TMS320C5x DSP Telecommunications Applications Book

Application book detailing telecommunications applications, digital cellular systems, and speech synthesis using the TMS320C5x DSP family.

Brand: Texas Instruments
Category: Other Electronics
Document type: Application Note
Language: English
Pages: 317
File format: PDF
File size: 1.6 MB
Published: 23 October, 2026
Updated: 23 October, 2026
Model: TMS320C5X
MD5 checksum: EF4BEA7DC002F96A5B7578B7C29189E0
PDF: Texas Instruments TMS320C5x DSP Telecommunications Applications Book PDF

About this manual

This document is an application book published by Texas Instruments in October 1994, specifically focusing on telecommunications applications using the TMS320C5x Digital Signal Processor (DSP) family. It was edited by Mansoor A. Chishtie and is part of the Semiconductor Group's Digital Signal Processing Applications series.

What's inside

Introduction
Digital Cellular Systems
Speech Synthesis
p/4-DQPSK Modem Theory
Speech Compression
Transformer Specifications
Dual-Telephone Interface Schematic

Specifications

Gross bit rate	48.6 kbps
Modulation scheme	p/4-shifted differentially encoded quadrature phase shift keying
Roll-off factor	0.35
Oscillator frequency	2.048-MHz

Frequently asked questions

What is the gross bit rate for the U.S. digital cellular modem?

The gross bit rate is 48.6 kbps.

What modulation method is used in the p/4-DQPSK modem?

It uses p/4-shifted differentially encoded quadrature phase shift keying.

What is the primary inductance specification for the T1–T2 transformer?

The primary inductance is 1.1 H at 1 kHz.

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