|Ameritron AL-811 Amplifier|
The AL-811 is a grounded grid linear amplifier developed by Ameritron using low cost 811A power triodes. It operates in class AB2 for SSB and CW. 1. Fast Warm Up Time: The 811A tubes take approximately 3 seconds to warm-up. 2. Long Tube Life: The 811A tubes are long life, reliable transmitting tubes. 811A tubes offer rugged, reliable operation even on RTTY and SSTV 3. Tuned Input: A Pi-Network tuned input matches the 811A tubes to 50 ohm exciters. 4. Two Illuminated Panel Meters: The AL-811 has two illuminated panel meters. The Grid Current meter provides a continuous reading of the 811A grid current to indicate proper loading of the amplifier. The other meter switches between high Voltage (HV) and Plate Current (Ip). 5. Safety Interlock: Removes AC from the unit when the cover is removed. Never attempt to defeat this switch. 6. Operate/Standby Switch: Used to remove the amplifier from the RF line while filament and plate voltages are maintained for "barefoot" operation. 7. XMT Indicator LED: Provides a front panel indication of proper amplifier keying by the exciter during operation. 8. ALC Voltage: The drive level is detected to provide a negative control voltage for the exciter. ALC prevents overdriving of the linear and reduces distortion from excessive drive power.
These manuals are available for the above equipment:
|Ameritron -- AL-811 -- Service and User Manual|
|Manual Type||Service and User Manual|
|Size||82.56 Kbytes (84537 Bytes)|
|Quality||Electronic document, no scan, very well readable.|
|Upload date||01 May 2014|
|Downloads||300 since 01 May 2014|
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