Overview

GME1124   UHF20KW transmitter is made up of five parts from the view of organization: front stage rack, power supply rack, PA rack1#, PA 2# and rack outside equipments including 20KW combiner, filter, asorption load and fan etc.

Features

1）Advanced technology and design idea.
2)LDMOS technology, solidified complete machine;
3)National patent distribution and synthesization;
4)Design with the modularization concept.
5)Hign linear LDMOS PA;
6)Bandpass filter with digital/analog output (user option).
7)Redundant backup design minimizes the accident off-air time.
8)Paralleling design of redundant power amplifiers: the transmitter has 48 identical 550W power amplifiers and they can act as each others’ backup and replace each other at any time.
9)Design of redundant switching power supply backup: 28 switching regulators with2500W are paralleled to supply equalized current; the computer monitors the switching power supply
10)Design of the redundant exciter backup: main exciter and standby exciter are mutual backups and switch to each other automatically (standby exciter and switch unit are optional).
11)LDMOS PA with hign gain: there is no need to have middle amplifier between exciter and PA, which can eliminate “simple point work” trouble.
12)Intelligent monitoring system
13)The microprocessor control technology has automatically diagnose function.
14)A flawless system for checking and monitoring technical data and a perfect computer control software.
15)RS485 remote control interface makes it possible for computerized management and control.
16)Network monitoring technology: one computer can monitor multi-equipments.
17)Perfect protective measures ensure the instrument running in safety
18)Power amplifier has protection such as VSWR , overheat, and overdriver.
19)Switching regulator protects against overvoltage, overcurrent, lowvoltage, overheat, short circuit, and lightening.
20)Complete machine has protection such as VSWR , lightening, lack of phase, miss-pahse overvoltage and undervoltage, etc.