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User's Manual

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ALPHA 9500 Interim OPERATING MANUAL
www.alpharadioproducts.com
The following procedure may be used for to save settings for each segment and band setting in
the User 1 and User 2 memories. Engage the auto-tune functionality by pushing the Auto button.
choose the correct antenna on the amplifier, set a steady carrier and apply drive. Increase the
drive (with Auto engaged), until the amplifier achieves 1500 watts output. At this point choose
User 1 and the appropriate segment button and then push the Save button. The light will flash
once to indicate that the values have been saved to memory. Repeat this across bands and
segments. You will not need to repeat this exercise unless you change radios, antennas or some
other aspect of your shack.
6.3.1 Control Functions
The following chart shows the controls that allow you to adjust and monitor the amplifier.
BAND Used to select amateur band desired (in MHz).
SEGMENT Used to select different frequencies within each band
MEMORY The amplifier has 3 sets of segment memories, one to hold the factory default
settings and the other two are for user memories
AUTO Toggles the auto tune funtionality on and off
TUNE Controls the tune capacitor in the amplifier
LOAD Controls the load control in the amplifier
ANTENNA
SELECT
Determines which of the four antenna output ports to use. It is also possible
to enable 2 of them simultaneously
BAND
MEMORY
SAVE RCL DEF 1 2 AUTO
TUNE LOAD
ANTENNA SELECT
1.8
3.5 7
10 14
18 21 24 28
1 2 3 4 5
1 2 3 4
RF Power kW
SWR
Grid Current mA
Plate Current Amps
Plate Voltage kV
Gain
0 0.1 0.3 0.6 1.0 1.5 2.5
1 1.5 2 3 >10
0 50 100 150
0 1.0 1.5
0 2 31 4
10 30 50
MICROPROCESSOR CONTROLLED HF LINEAR AMPLIFIER
ALPHA
Fwd Ip Vp Ig SWR FLT
DIM SND PEP DEL
OPER STBY ON/OFFON
ANT SELAMP
SEGMENT
9500
BAND
MEMORY
SAVE RCL DEF 1 2 AUTO
TUNE LOAD
ANTENNA SELECT
1.8
3.5 7
10 14
18 21 24 28
1 2 3 4 5
1 2 3 4
RF Power kW
SWR
Grid Current mA
Plate Current Amps
Plate Voltage kV
Gain
0 0.1 0.3 0.6 1.0 1.5 2.5
1 1.5 2 3 >10
0 50 100 150
0 1.0 1.5
0 2 31 4
10 30 50
MICROPROCESSOR CONTROLLED HF LINEAR AMPLIFIER
ALPHA
Fwd Ip Vp Ig SWR FLT
DIM SND PEP DEL
OPER STBY ON/OFFON
ANT SELAMP
SEGMENT
9500