Equipment information:

ETO Ehrhorn Technological Operations Alpha 89 Amplifier
Manufacturer:
ETO Ehrhorn Technological Operations
Model: Alpha 89
Date:
Category: Radio, Communication
Group: Amplifier
Description: HF LINEAR POWER AMPLIFIER
Information:
                                    It is extremely important to thoroughly review Installation
and Operation sections of this manual
before attempting to use the ALPHA 89. Failure to do so
could result in serious damage not covered
under warranty.
The ALPHA 89 is capable of 1.5 kW continuous RF output on
all commonly-used modes and on any
authorized amateur frequency from 1.8 to 29.7 MHz.
The ALPHA 89 is compatible with all popular amateur HF
transceivers and exciters. It requires
approximately 50 watts peak RF drive few 1.5 kW output
The ALPHA 89 is capable of full break-in CW (QSK) and all
digital modes when used with any
A appropriate transceiver. The ALPHA 89 control system
incorporates protective functions that minimize
the probability of accidental damage to the amplifier or its
power tubes. In most cases, when
one of the protective functions is “tripped," a front panel
LED indicator will display the fault (e.g.,
excessive grid or plate current load reflected power/ VSWR,
etc.)
For extended RATT or other very high duty cycle service, use
of the ALPHA 89 optional auxiliary
cooling fan, available from ETO, is strongly recommended.
With reasonable care, your ALPHA 89
should provide exceptional performance and satisfaction for
many year

These manuals are available for the above equipment:

ETO Ehrhorn Technological Operations -- Alpha 89 -- Service and User Manual
File name: Alpha-5846-Manual-Page-1-Picture
Manual Type: Service and User Manual
Pages: 21
Size: 993.38 Kbytes (1017225 Bytes)
Language: english
Revision:
Manual-ID/Number:
Date:
Quality: Scanned document, all readable.
Upload date:
MD5: e07791dc4234628409ee37dbd9497856
ed2kID: 6add3d60bc5fe059cfe7c75c7270ef3d
Downloads: 76 since 27 April 2014
Information:
INSTALLING YOUR ALPHA 8 9
.................................................................................................
1
OPERATING YOUR ALPHA
89_________________________________________________ 2
1.0 -
INTRODUCTION_________________________________________________________
3
2.0 - OVERVIEW OF AMPLIFIER
CAPABILITIES_______________________________ 3
3.0 - ALPHA 89
SPECIFICATIONS______________________________________________ 4
4.0 - UNPACKING AND
PREPARATION________________________________________ 5
Figures 1 -3 Transformer
installation.........................................................................................
6
Figure 4 Inside top
view.......................................................................................................7
Figure 5 View with front panel
lowered.............................................................................8
5.0 CONTROL & INDICATOR
FUNCTIONS_____________________________________9
Figure 6 Front
Panel...........................................................................................................10
6.0 -
INSTALLATION_____________________________________________________
____11
Figure 7 Rear panel
connections.......................................................................................
11
7.0 -
OPERATION______________________________________________________
______ 12
Table Tuneup
Settings....................................................................................................14
8.0 - FAULTS AND PROTECTIVE
FUNCTIONS_________________________________15
9.0 - TROUBLESHOOTING
SUGGESTIONS____________________________________ 16
10.0 - ALPHA 89 FUNCTIONAL
CONFIGURATION_____________________________ 17
Alpha-5846-Manual-Page-1-Picture
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