Ameritron 2WUALS1306 ALS1306 amateur radio linear amplifier User Manual

Ameritron ALS1306 amateur radio linear amplifier Manual ALS1306

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Manual ALS1306

Ameritron ALS-13061200-Watt 160-6 Meter T-MOSFET AMPLIFIERThe Ameritron ALS-1306 is 1200-watt PEP nominal output, 160- through 6-meter amateur radio band (1.8-54 MHz) solid-state amplifier. The compact 10” wide by 6-1/2” high amplifier package, with a depth of only 18”, fits nearly any station configuration. The attractive desktop amplifier unit weighs only 24 pounds. The ALS-1306 meets or exceeds all FCC requirements governing amateur radio external power amplifiers. Fan speed is regulated by temperature sensors, assuring conservative cooling with minimal noise. Protection circuitry reduces power as transistors approach conservative thermal limits, and disables the amplifier before the transistors exceed safe operating temperature limits.The ALS-1306 uses eight 50-volt, conservatively rated, linear RF MOSFETS. These MOSFET’s are primarilydesigned for linear power amplifier applications, not class-C or pulse service. They provide exceptionally low SSB distortion when compared to most other solid-state devices. Nominal driving power is 100-watts for 1200-watts output (approximately 11 dB gain) on most bands. T/R (transmit-receive) switching is through a pair of sequenced miniature relays on a plug-in module. The plug in module facilitates relay servicing or maintenance. T/R switching time is approximately five milliseconds. The T/R “Relay” control jack is well within the range of almost any transceiver or radio. The “Relay” jack has an open circuit voltage of 13-volts, and closed circuit current less than 20 mA. Virtually any modern amateur radio will directly key this amplifier.This amplifier includes full metering using large easy-to-read conventional panel meters.An external 50-volt 50-ampere regulated power supply powers the ALS-1306. The supply is wired for 240 VAC (200-260 VAC, 50-60 Hz, 15 amperes), but can be rewired for 120 VAC operation for lighter duty operation. ALS-1306 Exihibit VIII Page 1 / 27
TABLE OF CONTENTSGENERAL OVERVIEW ........................................................................................................................1TABLE OF CONTENTS .......................................................................................................................2AMPLIFIER FEATURES ......................................................................................................................3INSTALLATION....................................................................................................................................4Airflow Clearances ............................................................................................................................4Accessory Equipment and Devices ...................................................................................................4Installation, Wiring, and Connections ................................................................................................4Station Ground ..................................................................................................................................5Grounding..........................................................................................................................................5Coaxial Line Isolators ........................................................................................................................6AMPLIFIER REAR PANEL ..................................................................................................................6POWER SUPPLY .................................................................................................................................7Power Line Requirements .................................................................................................................7Power Supply Features .....................................................................................................................8Power Supply Location......................................................................................................................8INTERCONNECTION WIRING.............................................................................................................9AMPLIFIER FRONT PANEL ..............................................................................................................10Meters (1 and 2) ..............................................................................................................................10INITIAL OPERATION .........................................................................................................................11OPERATION.......................................................................................................................................12MARS OR CAP OPERATION ............................................................................................................12ALS-1306 FUNCTIONAL OVERVIEW ...............................................................................................13General Operation...........................................................................................................................13Power Division.................................................................................................................................13PAM-606 (power amplifier modules) ...............................................................................................132KWF6 Lowpass Filter Assembly....................................................................................................14Control Functions and Protection Logic...........................................................................................14Band Decoding................................................................................................................................15Temperature....................................................................................................................................15Bias .................................................................................................................................................15Band................................................................................................................................................15Protection ........................................................................................................................................15Harmonics .......................................................................................................................................15SWR................................................................................................................................................16CIRCUIT BOARD DESCRIPTIONS ...................................................................................................162KWF6 ............................................................................................................................................16BS2 .................................................................................................................................................16CB2 .................................................................................................................................................16MB1.................................................................................................................................................16PAM-606 (power amplifier module) Boards.....................................................................................16PD8 .................................................................................................................................................16RJ45................................................................................................................................................17RLY .................................................................................................................................................17SWR................................................................................................................................................17SCHEMATICS AND INTERNAL WIRING ..........................................................................................18ALS-1306 Exihibit VIII Page 2 / 27
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Document ID1966288
Application ID6uXmPZSicXvKvaGhQPLj8Q==
Document DescriptionManual ALS1306
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeUser Manual
Display FormatAdobe Acrobat PDF - pdf
Filesize179.4kB (2242513 bits)
Date Submitted2013-05-16 00:00:00
Date Available2013-09-03 00:00:00
Creation Date2013-04-22 16:30:30
Producing SoftwareBCL easyPDF 6.00 (0333)
Document Lastmod2013-05-16 11:53:05
Document TitleThe Ameritron ALS-1300 is a solid state FET no-tune Amplifier
Document CreatorNitro PDF Word Add-in
Document Author: Tom
FCC ID Filing: HO82WUALS1306

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