9.1 Performance Test
9-3
9.1 Performance Test
9.1.1 Purpose and implementation timing
Implement the performance test to check the performance after reception testing,
periodical testing or repair, or to maintain the performance of MT8820A within the
specification through periodical test. It is recommended to perform the performan-
ce test once or twice a year. If any items are found to be outside if the specifications,
contact the Anritsu service department.
9.1.2 Performance test items
This manual explains the following test items.
(1) Frequency stability for reference oscillator
(2) VSWR value for Main input/output connector
(3) VSWR value for AUX output connector
(4) Output frequency for RF signal generator
(5) Output level accuracy for RF signal generator
(6) Non-harmonic spurious
(7) Harmonics
9.1.3 Required measurement equipment
Measurement equipment necessary for a performance test is listed in Table 9-1-3-1.
CAUTION
Warm-up the equipment to be measured and measurement
equipment for at least 30 minutes unless specifically
mentioned and wait until it become stable enough before
starting the performance test. To demonstrate the highest
measurement accuracy, implementation of the test is
required at room temperature, little change in AC power
voltage, and no trouble with noise, oscillation, dust or
humidity.
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