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4 75w power amplifier alignment, 1 introduction, 2 forward power output calibration – Viking 242-2009-632 User Manual

Page 133: Connect attenuator and power meter to a8, Set r663 fully counterclockwise, Set r76 on the rfib fully counterclockwise, Use the "turn on carrier" button to key the pa, Adjust r663 for 85w ±2w (±0.1 db), Verify that output 1 is within 20% of output 2, Use the "turn on carrier" button to unkey the pa

4 75w power amplifier alignment, 1 introduction, 2 forward power output calibration | Connect attenuator and power meter to a8, Set r663 fully counterclockwise, Set r76 on the rfib fully counterclockwise, Use the "turn on carrier" button to key the pa, Adjust r663 for 85w ±2w (±0.1 db), Verify that output 1 is within 20% of output 2, Use the "turn on carrier" button to unkey the pa | Viking 242-2009-632 User Manual | Page 133 / 260 4 75w power amplifier alignment, 1 introduction, 2 forward power output calibration | Connect attenuator and power meter to a8, Set r663 fully counterclockwise, Set r76 on the rfib fully counterclockwise, Use the "turn on carrier" button to key the pa, Adjust r663 for 85w ±2w (±0.1 db), Verify that output 1 is within 20% of output 2, Use the "turn on carrier" button to unkey the pa | Viking 242-2009-632 User Manual | Page 133 / 260