Geräte Informationen:

Ameritron AL-80B Verstärker
Hersteller:
Ameritron
Modell: AL-80B
Datum:
Kategorie: Funk und Kommunikation
Gruppe: Verstärker
Beschreibung: 800 Watt Linear Amplifier
Informationen:
                                    The Ameritron AL-80B is an 800 watt CW, 1000 watt PEP output
linear amplifier that operates on
all Amateur bands from 160 through 15 meters. The AL-80BX
and AL-80BY are export models
that operate from 160 through 10 meters. Export modification
instructions are available with proof
of a valid amateur radio license.
The AL-80B uses a single 3-500Z tube in a class AB2 grounded
grid circuit. High-quality power
supply and RF components combine with an accurate
peak-detecting directional coupler, front panel
adjustable true ALC circuit, and automatic bias switching to
make this the best featured and most
reliable single 3-500Z amplifier available. The AL-80B and
AL-80BY are factory-wired for 120
Vac, 50/60 Hz line voltage. The AL-80BX is factory wired for
240 Vac. All models are easily
converted to other supply voltages between 90 and 250 Vac.

· The AL-80B uses a rugged, inexpensive 3-500Z tube.
· The 3-500Z requires only a few seconds of warm-up time.
· A dynamic bias circuit eliminates hundreds of watts of
unnecessary heat generation in the
power amplifier tube. The result is cooler operation and
longer component life.
· A multi-voltage heavy-duty transformer with a unique
"buck-boost" winding allows
adjustment of the primary voltage to 14 different voltages
centered on 115 and 230 Vac. This
versatile Ameritron feature allows the user to select the
optimum primary voltage for maximum
performance and life.
· The tuning and loading controls have vernier 6:1 reduction
drives for smooth tuning.
Logging scales allow quick and repeatable control
adjustments for rapid band changes.
· The AL-80B has two illuminated cross-needle panel meters.
The left meter provides a
continuous reading of grid and plate currents. The right
meter indicates peak RF power output
on one scale and Plate Voltage (HV), Reflected power and SWR
(REF), ALC detector voltage
(ALC), and ALC adjustment level (ALC SET) on the other.
· Filament and plate voltages are maintained using the
"STBY/OPR" switch. This allows the
amplifier to be conveniently bypassed for "barefoot" operation.
· A front panel "ALC SET" control allows convenient
adjustment of the ALC threshold. The
unique ALC circuit samples the grid current and power supply
voltage.
· An "XMT" LED on the front panel indicates proper keying of
the amplifier by the exciter.
· A rear panel "12 V" auxiliary output jack provides up to
200 mA at 12 Vdc for accessories
such as the ATR-15 Antenna Tuner.
· A step-start circuit limits the inrush current to the
power supply and tube filament. This circuit
extends the life of the amplifier components.

Folgende Anleitungen sind für obiges Gerät verfügbar:

Ameritron -- AL-80B -- Service- und Bedienungsanleitung
Dateiname: Ameritron-5883-Manual-Page-1-Picture
Dokumenttyp: Service- und Bedienungsanleitung
Seitenanzahl: 35
Dateigröße: 119.40 Kbytes (122263 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer:
Datum:
Qualität: Elektronisches Dokument, kein Scan, sehr gut lesbar.
Upload Datum:
MD5: 1e20b5cefca4712b67e1f57aa53628b3
ed2kID: e51ddf00ea4869f47d81f02dd5be4a07
Downloads: 131 seit 01 Mai 2014
Informationen:
Features
.......................................................................................................................................1
AL-80B Technical Specifications
................................................................................................2
Introduction.................................................................................................................................3
Safety Interlock
................................................................................................................3
Circuit Descriptions
.....................................................................................................................4
ALC.................................................................................................................................4
Dynamic
Bias...................................................................................................................4
Power Supply
...............................................................................................................................5
Filament Supply
...............................................................................................................5
Plate (HV)
Supply............................................................................................................5
Meters
.........................................................................................................................................5
Current Meter (plate and grid):
........................................................................................5
Multimeter.......................................................................................................................6
Multimeter
Functions.......................................................................................................6
Wattmeter
Circuit.............................................................................................................7
Peak Envelope Power vs. Average Power
.......................................................................7
Tube
Life.....................................................................................................................................8
Export Modifications
...................................................................................................................9
Technical
Assistance....................................................................................................................9
Installation Guidelines And Suggestions
.....................................................................................10
Location Of The Amplifier
..............................................................................................10
Ventilation.......................................................................................................................10
Power Connections
..........................................................................................................10
Grounding
........................................................................................................................11
Transformer
Connections.............................................................................................................12
Interconnections
...........................................................................................................................13
Operating Instructions And
Guidelines........................................................................................13
Front Panel Controls
........................................................................................................13
"MULTIMETER" Switch
....................................................................................13
"OFF-ON"
Switch................................................................................................13
"STBY-OPR"
Switch...........................................................................................14
"PLATE"
Control.................................................................................................14
"LOAD" Control
..................................................................................................14
ALC Metering, Controls, and Adjustments
.....................................................................14
ALC Metering Functions
.....................................................................................14
ALC
Controls.......................................................................................................15
ALC Adjustments
................................................................................................15
Rear-panel "ALC LIMIT"
control....................................................................................16
ALC Limit Adjustment (rear
panel).................................................................................17
Driving
Power.............................................................................................................................17
Tuning.........................................................................................................................................18
Tuning
Procedure.............................................................................................................18
Additional SSB
Notes..................................................................................................................22
AM (Amplitude Modulation)
Operation......................................................................................22
FM (Frequency Modulation), RTTY, and Digital
Operation.......................................................22
Audio Distortion
..........................................................................................................................22
QSK
Operation............................................................................................................................23
Periodic
Maintenance...................................................................................................................23
Parts List
.....................................................................................................................................25
Power Supply / SWR Board (50-0080-1)
.......................................................................25
Tuned Input Board
(50-0080-2).......................................................................................26
AL-80B Tuned Input
Chart..............................................................................................26
Meter Board (50-0080-3)
.................................................................................................26
Timer / Overload Board
(50-0080-5)...............................................................................27
Al-80B Main Chassis Parts
List.......................................................................................28
Frequency
Coverage.....................................................................................................................29
Amplifier Tuning
Log..................................................................................................................29
Notes
...............................................................................................................................30
Ameritron-5883-Manual-Page-1-Picture
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