OMB EM 250 COMPACT DIG User Manual

TECHNICAL MANUAL
v1.1 February 2006
SISTEMAS ELECTRONICOS S.A.
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OMB EUROPE:
Factory: Camino de los Albares,14 -Ph. 976.50.35.80, Fax: 976.50.38.55 – 50410 CUARTE DE HUERVA (Zaragoza) ESPAÑA
Sales Dpt.: Avda. San Antonio,41– Ph. 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 250 COMPACT DIG Specifications

General

Brand	OMB
Model	EM 250 COMPACT DIG
Category	Transmitter
Language	English

Summary

SECTION 0. GENERAL RECOMMENDATIONS

General Safety Recommendations

Important recommendations for connecting the equipment to the Mains power.

Good Practices

Standard good practices to follow during equipment maintenance.

First Aid in Case of Electrical Shock

Procedures for providing first aid in case of electrical shock.

Treatment for Burns

Instructions for treating burns resulting from electrical shock.

SECTION 1. GENERAL DESCRIPTION

Introduction

General introduction to the EM-250 COMPACT DIG transmitter.

Description

Detailed description of the EM-250 COMPACT DIG transmitter's features.

Front Panel

Overview of the EM-250 COMPACT DIG front panel controls and indicators.

Rear Panel

Description of connectors and elements located on the rear panel.

Inner Layout

Internal arrangement of units and PC boards within the EM-250 DIG cabinet.

Technical Specifications

Comprehensive technical specifications for the EM-250 COMPACT DIG.

SECTION 2. DESCRIPTION OF INTERNAL MODULES

Introduction

Overview of the internal modules of the EM-250 COMPACT DIG transmitter.

Audio Processor and R.F. Control Main Board

Description of the main board supporting audio processing and RF control functions.

Stereo Encoder (Optional)

Details and operation of the optional stereo encoding circuit.

FM Exciter Unit

Description of the FM exciter unit including PLL and VCO circuitry.

R.F. Power Amplifier Module

Description of the RF power amplifier module, including driver and output stages.