Aeroflex 3500A, Maintenance Manual, Page: 72 / 169

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S u b j e c t t o E x p o r t C o n t r o l , s e e C o v e r P a g e f o r d e t a i l s .
E. RF Power Meter Calibration (cont)
87. Set the RF Power Meter to 300 MHz, Relative OFF and Offset value to 300 MHz coupled
port attenuation recorded in Step 7.
88. Set RF Power Amplifier to ON.
89. Set RF Signal Generator to RF ON.
90. Adjust the RF Signal Generator level until the power into the T/R Connector, displayed on
the RF Power Meter, is equal to the Target dBm value (
± 0.3 dB).
91. Press the F1 “Edit” Key to highlight the field. Change the Actual dBm value to match the
RF Power Meter value. Press the F1 “Done” Key. Press the F4 “Copy” Key to store the
setting.
92. Press the F5 “Next” Key to move to the next cal point.
NOTE
Index: numbers increment by one and the MHz: indicates the cal point
frequency.
93. Set the RF Signal Generator to RF OFF.
94. Set the RF Amplifier to OFF.
95. Replace 300 MHz Low-Pass Filter with 700 MHz Low-Pass Filter in Test Setup.
96. Set the RF Signal Generator to 500 MHz.
97. Set the RF Power Meter to 500 MHz, Relative OFF and Offset value to 500 MHz coupled
port attenuation recorded in Step 7.
98. Set RF Power Amplifier to ON.
99. Set RF Signal Generator to RF ON.
100. Adjust the RF Signal Generator level until the power into the T/R Connector, displayed on
the RF Power Meter, is equal to the Target dBm value (
± 0.3 dB).
101. Press the F1 “Edit” Key to highlight the field. Change the Actual dBm value to match the
RF Power Meter value. Press the F1 “Done” Key. Press the F4 “Copy” Key to store the
setting.
102. Press the F5 “Next” Key to move to the next cal point.
NOTE
Index: numbers increment by one and the MHz: indicates the cal point
frequency.
103. Set the RF Signal Generator to RF OFF.
104. Set the RF Amplifier to OFF.
105. Set the RF Signal Generator to 700 MHz.
106. Set the RF Power Meter to 700 MHz, Relative OFF and Offset value to 700 MHz coupled
port attenuation recorded in Step 7.
107. Set RF Power Amplifier to ON.
108. Set RF Signal Generator to RF ON.
109. Adjust the RF Signal Generator level until the power into the T/R Connector, displayed on
the RF Power Meter, is equal to the Target dBm value (
± 0.3 dB).