ETO Ehrhorn Technological Operations Alpha 89 Verstärker
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Alpha 89
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HF LINEAR POWER AMPLIFIER

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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

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Service- und Bedienungsanleitung
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Service- und Bedienungsanleitung
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21
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english
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2014 04 27
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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

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