OMB EM 100 DIG User Manual

TECHNICAL MANUAL
v1.2 November 2005
SISTEMAS ELECTRONICOS S.A.
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OMB EUROPE:
Factory: Camino de los Albares,14 -Tlf. 976.50.35.80, Fax: 976.50.38.55 – 50410 CUARTE DE HUERVA (Zaragoza) ESPAÑA
Sales Dpt.: Avda. San Antonio,41– Tlf. 976.50.46.96, Fax: 976.46.31.70 – 50410 CUARTE DE HUERVA (Zaragoza) ESPAÑA
E-mail: europa@omb.com
Web: www.omb.es
OMB USA:
3100 NW 72nd. Avenue Unit 112 – MIAMI, Florida 33122 – Ph.: 305 477-0973, 305 477-0974, Fax: 305 477-0611
E-mail: usa@omb.com
Web: www.omb.com

OMB EM 100 DIG Specifications

General

Output Power	100W
Weight	9 kg
Modulation	COFDM
Frequency Range	470 - 862 MHz
Digital Standards	DVB-T2
Dimensions	483 x 400 mm
Input Voltage	100-240VAC
Operating Temperature	0°C to +45°C

Summary

Section 0 GENERAL RECOMMENDATIONS

GENERAL SAFETY RECOMMENDATIONS

Guidelines for safe operation and connection to mains power.

GOOD PRACTICES

Standard procedures to follow during equipment maintenance.

FIRST AID IN CASE OF ELECTRICAL SHOCK

Immediate actions to take if someone receives an electric shock.

EMERGENCY RESUSCITATION TECHNIQUE

Steps for performing cardiopulmonary resuscitation (CPR).

TREATMENT FOR BURNS

Medical treatment procedures for electrical burns.

Section 1 GENERAL DESCRIPTION

1.1 Introduction

Overview of the EM-100 DIG series transmitters and their design.

1.2 General description

Description of the EM-100 DIG as a 100W direct-synthesis FM transmitter.

1.3 Description of panels

Explanation of the front and rear panel controls and connectors.

1.4 Technical specifications

Detailed technical parameters and performance data of the transmitter.

Section 2 INSTALLATION, OPERATION AND MAINTENANCE

2.1 Introduction

Initial setup considerations, environment, and connections.

2.2 System connection

Steps for connecting the transmitter to antenna, audio, and power.

2.3 Audio Base band connections and presets

How to connect and configure audio inputs and related settings.

2.4 Operation

Procedures for operating the transmitter in various broadcast modes.

2.5 Commands and programming

Details on navigating menus, setting parameters, and password management.

2.6 Service and maintenance

Guidelines for routine cleaning, inspection, and preventative maintenance.

Section 3 TECHNICAL INFORMATION

3.1 Introduction

Overview of the transmitter's internal modules and their functions.

3.2 Main board

Detailed description of the main board's circuitry and signal processing.

3.3 Stereo Encoder (optional)

Explanation of the optional stereo encoding circuit.

3.4 FM Exciter

Technical details of the FM exciter unit and its components.

3.5 R.F. Power Amplifier module

Description of the RF power amplifier stage and its components.

3.6 Control unit and display board

Details on the microcontroller, keyboard, and display interface.

3.7 Power Supply

Information about the switching power supply unit.