ElectroCom Product Support Manual Model HPA4 UHF High Power Amplifier Document Number 516-80075 revision X1
TABLE OF CONTENTS 1. Introduction ................................................................................................... 3 1.1 Document Scope ....................................................................................... 3 1.2 Reference Material ..................................................................................... 4 1.2.1 ElectroCom Documents (Attached)...................................................... 4 1.3 Product Description .....................................
1. Introduction 1.1 Document Scope This document describes the hardware of the model HPA4 UHF High Power Amplifier. Section 1: non-technical overview of the product and its features Section 2: identifies product interfaces (i.e. connectors, power sources, etc.
1.2 Reference Material 1.2.
1.3 Product Description ElectroCom's Model HPA4 UHF Amplifier is designed to amplify the RF output of ElectroCom's DR4B Base Station up to 100 Watts. The HPA4 uses a dual amplifier design to ensure graceful degradation of output power under fault conditions and enhanced reliability. The HPA4 features a three-stage thermal equilibration system, and over-voltage protection prolonging the life of the amplifier. 1.
J2 RF OUT RF IN J1 J4 J3 CONTROL INTERFACE DC POWER COOLING FAN 2. Interface Description The HPA4 has 2 external RF ports; both are type "N" female coaxial connectors: J1 is the RF input port J2 is the RF output port DC power connection to the HPA4 is accomplished via J3, a 2-conductor, quickdisconnect connector. J4 is a control / alarm cable which carries the amplifier's key signal and high-temp alarm signal.
3. Installation 3.1 Unpacking Carefully inspect the amplifier for any signs of shipping damage. If damage is suspected, file a claim immediately with the carrier and contact your dealer. If possible, keep the original shipping container for shipping the unit back for repair or for verification of damage during shipment. 3.
3.1.1.
