AMERITRON ALS-500M Manual de instrucciones
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The Ameritron ALS-500M is a 500 watt PEP output solid state linear amplifier using rugged, conservatively rated bipolar RF
devices in the power output section. The ALS-500M operates at full power with continuous frequency coverage from 1.5
through 21.6 MHz. This amplifier requires no tuning adjustments. Broad band 5 pole filter provide output harmonic
suppression in excess of 60 dB for all frequencies above 8 MHz, and more than 70 dB on all TV channels. Export
modifications are available to extend operation to 30 MHz with a copy of a valid amateur license.
The ALS-500M uses two pairs of 2SC2879 transistors operating at 13.8 volts nominal in a push-pull output configuration.
High quality RF components combine with load fault sensing, temperature protection, and one switch frequency selection to
make this one of the simplest and easiest to operate amplifiers today. The ALS-500M operates on 13.8 Vdc electrical systems
and draws a peak current of 80 amperes at full output.
WARNING: THIS AMPLIFIER IS DESIGNED FOR USE IN VEHICLES
WITH NEGATIVE GROUND 12 VOLT ELECTRICAL SYSTEMS ONLY.
The battery should be maintained between 13.8 and 16.5 volts dc.
PLEASE READ THIS MANUAL BEFORE OPERATING THIS EQUIPMENT !
Version 2A
Printed in U.S.A.
AMERITRON ALS-500M
SOLID STATE MOBILE AMPLIFIER
116 Willow Road
Starkville, MS 39759 USA
662-323-8211
500 WATT
INSTRUCTION MANUAL