4
Amplifier Features
This amplifier provides the following standard features:
•
160 through 6 meter operation
•
Two conservative linear-service rated, 50-volt dual LDMOS FET transistor packages
•
New push-pull stripline PA layout with exceptional VHF performance
•
Energy-efficient solid-state design greatly reduces heat, <100 watts power line draw
on receive
•
Exceptional harmonic suppression
•
Operational in a few seconds, no long filament warm-up time
•
Clean layout with easy-to-service modular construction
•
Quiet variable-speed forced-air cooling system
•
Power module current and voltage meters with LED illumination
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Accurate PEP Forward and PEP Reflected output power metering
•
Power module balance metering with PA unbalance protection
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Reflected power protection
•
Thermal overload protection
•
Bandswitch error protection
•
Easy to understand front panel LED indicators for rapid fault-error diagnosis
•
Standard negative-going ALC output with front panel adjustment
•
ALC metering and ALC LED indicator
•
Fully-regulated external power supply
•
Compact size 17.5” deep x 7” high x 10.5” wide
•
Weight amplifier section 23 pounds
Power Supply Features
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Efficient operation from 200 to 260 volts ac (12 amperes typical at full output power).
•
Low standby and receive power drain, typically less than 100 watts.
•
Generator and inverter friendly with acceptable power line frequency range 40 to
400 Hz.
•
Fully regulated current-limited outputs.
•
Step-start to limit stress on power supply components.
•
Exceptional filtering and RFI suppression eliminates receiver birdies common to
most SMPS.
•
Compact lightweight design.
Summary of Contents for ALS-1406/S
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