
OPERATING MANUAL ALPHA 89 HF LINEAR POWER AMPLIFIER ALPHA/POWER, INC. RF Power for Communications and Industry 14440 Mead Court – Unit B, Longmo
5.0 CONTROL & INDICATOR FUNCTIONS (See fig. 6, page 10) 5.1 RF OUTPUT, GRID CURRENT, and REFLECTED POWER bargraphs are peak-reading and generally
6.0 INSTALLATION (Refer to fig. 7, page 11) 6.1 Connect a 50 ohm coax cable 60-72" long (supplied) from the transceiver RF output to the ALPHA 8
7.0 OPERATION If the ALPHA 89 already is tuned and loaded for the operating frequency, it is necessary only to turn on the amplifier, wait 3 minutes
will not deflect from its resting position with less than 5-8 watts; until the amplifier is properly tuned, applying more than 15 watts may cause a p
OR e) If RF OUTPUT after step c) is greater than desired... 1) Reduce transceiver drive until Ig drops below 35 mA. 2) Reduce LOAD setting until Ig
8.0 - FAULTS AND PROTECTIVE FUNCTIONS 8.1 Soft Faults: Two conditions may cause soft faults... a) Improper operating conditions, usually overdrive
9.0 - TROUBLESHOOTING SUGGESTIONS Most apparent problems with the ALPHA 89, especially when first putting one into operation, result directly from f
10.0 - ALPHA 89 FUNCTIONAL CONFIGURATION Figure 8 on the following page is a simplified block diagram of the ALPHA 89. 1) Principal functional com
TABLE OF CONTENTS INSTALLING YOUR ALPHA 89 ...1 OPERATING YOUR ALPHA 89 ...
ALPHA PRODUCTS WARRANTY ALPHA/POWER, INC. (API) WARRANTS AS FOLLOWS EACH NEW AMATEUR RADIO PRODUCT OF ITS MANUFACTURE, SOLD AND USED IN THE UNITED S
CAUTION! ! READ BEFORE PROCEEDING! TO AVOID SERIOUS DAMAGE NOT COVERED UNDER WARRANTY READ THIS MANUAL CAREFULLY BEFORE INSTALLING YOUR ALPHA 89 Th
C A U T I O N ! ! READ BEFORE PROCEEDING! TO AVOID SERIOUS DAMAGE NOT COVERED UNDER WARRANTY READ THIS MANUAL CAREFULLY BEFORE OPERATING YOUR ALPHA
1.0 - INTRODUCTION This Manual provides all the information necessary to install and operate your ALPHA 89. Sche-matic diagrams are available on re
3.0 - ALPHA 89 SPECIFICATIONS Frequency Coverage: All amateur bands 1.8-29.7 MHz* plus most non-amateur frequencies 6.0-19.0 MHz and 20-30 MHz. * N
4.0 - UNPACKING AND PREPARATION (Ref. figs. 1-4, pages 6-7) 4.1 Unpack amplifier and transformer. Inspect both for physical damage. Save all packing
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