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Drawmer M-Clock DMS-1 Owner's Manual

Master clock generator and multiple sample rate converter
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DRAWMER
M-Clock
MASTER CLOCK GENERATOR
AND MULTIPLE SAMPLE
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Chapter 1 - Introduction
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Fig.1 THD +Noise Diagram
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Chapter 4 - DMS-1 Data
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DMS-1
RATE CONVERTER
CONTENTS
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Summary of Contents for Drawmer M-Clock DMS-1

  • Page 1: Table Of Contents

    ..........10 Contacting Drawmer .

  • Page 2: Warranty

    You may have additional rights that vary from state to state, and country to country. In the interests of product development, Drawmer reserve the right to modify or improve specifications of this product at any time, without prior notice.

  • Page 3: Safety Consideration

    DRAWMER M-Clock For the USA FEDERAL COMMUNICATIONS COMMISSION RADIO DMS-1 FREQUENCY INTERFERENCE STATEMENT MASTER CLOCK GENERATOR This equipment has been tested and found to comply with AND MULTIPLE SAMPLE the limits for a Class B digital device, pursuant to Part 15 RATE CONVERTER of the FCC Rules.

  • Page 4: Introduction

    MD recorders, DAT machines and budget computer soundcards. The Drawmer M-Clock DMS-1 has been designed to be the heart of syncronisation in the digital audio studio, offering an extremely highly specified, multiple output master clock generator that also incorporates four further channels of sam- ple-rate-conversion (a total output of twenty four Grade 1 synchronization signals in the form of AES/EBU, SPDIF, optical Toslink and AES 11), all locked to the same master clock.

  • Page 5: Installation

    INSTALLATION recommended that the rear of the unit is supported in the The DMS-1 is designed for standard 19" rack mounting carrying rack to avoid bending the front panel rack mounting and occupies 1U of rack space.Avoid mounting the unit directly above power amplifiers or power supplies that ‘ears’.

  • Page 6: Chapter 2 - Control Description

    CHAPTER 2 CONTROL DESCRIPTION MULTIPLE SAMPLE RATE CONVERTER Certain equipment in the studio may not have word clock Also if any equipment in the studio suffers jitter at its output inputs which has in the past caused synchronisation these sample rate converters may be used to de-jitter and problems, using the four channels of high quality sample re-clock the signals before further transmission.
  • Page 7 Fig. 1 THD +Noise for Sample Rate Converter...

  • Page 8: Master Clock Generator

    MASTER CLOCK GENERATOR The Drawmer M-Clock supplies word clock, S/PDIF, AES 11 panel switching. In addition upto three different sample rates grade 1, as well as Digidesign’s superclock (256x) allowing can be output at the rear of the unit, simultaneously, i.e. 96k you to synchronize Digidesign Pro Tools™, and a host of...
  • Page 9 When the 7/8 switch is active the M-Clock can output at the Superclock standard, as used by Pro Tools™. The 7/8 switch affects only connectors 7 and 8 on the BNC Clock Outputs on the rear of the panel, working independantly from the other outputs. Output Sample Rate 7/8 Switched IN (Superclock) 44.1 kHz...

  • Page 10: Chapter 3 - General Information

    Please address correspondence to: A list of all main dealers can be found on the Drawmer Drawmer (Technical Help line) webpages. Coleman Street...

  • Page 11: Specification

    CHAPTER 4 M-Clock DMS-1 DATA SPECIFICATION Internal Clock Generator Sample Rate Conversion 2 x Temperature Compensated Xtal Oscillators (TCXOs) 4 x Stereo Sample Rate Converters: full up/down conversion AES11 GRADE 1 Stability, from 44.1kHz to 96kHz Tolerance +/-1ppm (0-60 Celcius), <<+/-1ppm...

  • Page 12: Block Diagram

    BLOCK DIAGRAM Ref:1v01 C 29-03-05...

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