Aeroflex 3500A - Page 49

Subject to Export Control, see Cover Page for details. 2-25
D. RF Power Meter Verification (cont)
23. Move the cursor to RF Power Meter.
24. Press the F1 “Edit” Key to highlight the field. Press a number key corresponding to an
open Meter position. Press the F1 “Done” Key to store the setting.
25. Press the F2 “Return” Key to display the Transmitter Test Screen.
26. Move the cursor to the RF Power Meter.
27. Press the F1 “Zoom” Key.
28. Move the cursor to the Units: Field.
29. Press the F1 “Edit” Key to highlight the field. Using the Arrow Keys (  ), select dBm.
Press the F1 “Done” Key to store the setting.
30. Press the F4 “Zero” Key to zero the RF Power Meter on the Test Set.
31. Press the F5 “Return” Key.
32. Set the RF Power Amplifier to ON.
33. Set the RF Signal Generator to RF ON.
34. Adjust the RF Signal Generator level until the power into the T/R Connector, displayed on
the RF Power Meter, is equal to +27 dBm value (± 0.3 dB).
35. Record RF Power Meter reading and Test Set Power Meter reading.
36. Adjust the RF Signal Generator level until the power into the T/R Connector, displayed on
the RF Power Meter, is equal to +37 dBm value. (If +37 dBm is not achievable due to
setup losses, set as high as possible.)
37. Record RF Power Meter reading and Test Set Power Meter reading.
38. Set the RF Signal Generator to RF OFF.
39. Set the RF Power Amplifier to OFF.
40. Replace the 100 MHz Low-Pass Filter with the 300 MHz Low-Pass Filter in the Test Setup.
41. Set the RF Signal Generator to 300 MHz.
42. Set the RF Power Meter to 300 MHz, Relative OFF and Offset value to 300 MHz coupled
port attenuation recorded in Step 7.
43. Set the RF Power Amplifier to ON.
44. Set the RF Signal Generator to RF ON.
45. Adjust the RF Signal Generator level until the power into the T/R Connector, displayed on
the RF Power Meter, is equal to +27 dBm value (± 0.3 dB).
46. Record the RF Power Meter reading and Test Set Power Meter reading.
47. Adjust the RF Signal Generator level until the power into the T/R Connector, displayed on
the RF Power Meter, is equal to +37 dBm value. (If +37 dBm is not achievable due to
setup losses, set as high as possible.)
48. Record the RF Power Meter reading and Test Set Power Meter reading.
49. Set the RF Signal Generator to RF OFF.
50. Set the RF Power Amplifier to OFF.
51. Replace the 300 MHz Low-Pass Filter with the 700 MHz Low-Pass Filter in the Test Setup.
52. Set the RF Signal Generator to 500 MHz.