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AutoTune™ User Guide
6
4.2. TX Power Out
RF Control
Port
Frequency
Modulation
Attenuation
Monitor
RF IN/OUT
Test Frequency
FM
40 dB
Table 4-4. Analyzer Configuration for TX Power Out
4.2.1. Alignment
The TX Power Out alignment is composed of two parts: Power Detection Calibration
and TX Power Out. Power Detection Calibration is performed first, and only during
alignment; it is not performed during a test.
Power Detector Calibration adjusts the radio power detector to minimize the power
output variation across radios. The radio is placed into Test Mode and commanded to
transmit at a mid-band Test Frequency. The output level is measured and then adjusted
until near to a band-specific output level defined by the radio itself. The final results are
written to the log file.
Name
Description
Result
Pass or Fail. Meas Power AND New Softpot within manufacturer
limits
Frequency
Test Frequency
Meas Power
Measured radio output level
Target
Power
Ideal Meas Power
Old Softpot
Original radio softpot setting
New Softpot
Radio softpot after alignment
Table 4-5. Power Detection Calibration alignment results
TX Power Out characterizes the power output level of the radio. The radio is placed into
Test Mode and commanded to transmit. Beginning at the lowest TX Test Frequency,
the output level is measured at two different points for each TX Test Frequency. These
measurements are used to align the radio power output level across the radio band as
specified by the radio basic service manual. After the alignment is complete, the power
output level is measured again at each TX Test Frequency and compared against test
limits. The final results are written to the log file.
Name
Description
Result
Pass or Fail. Power Out within Max Limit, Min Limit
Frequency
Test Frequency
Power Out
Measured radio output level
Min Limit
Minimum Limit (inclusive) for Power Out
Max Limit
Maximum Limit (inclusive) for Power Out
Table 4-6. TX Power Out alignment results
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