TB 9-4931-534-35
the desired measurement by calculating the following equation:
LO=[(3xRF)- IF] 2
EXAMPLE B:
Where: RF = signal generator frequency in GHz recorded in (3) above
IF = 1 (operating frequency at receiver system in GHz)
LO = synthesized signal generator frequency
LO = [(3 x 9) -1] 2
LO = [27-1] 2
LO = 26 2
LO = 13 or 13 GHz
(5) Adjust signal generator to frequency determined in (3) above and RF output to
+3 dBm.
and RF output to 0 dBm.
(7) Establish a reference on receiver system at 1 GHz and press receiver system
MEAS-REF pushbutton.
(8) Disconnect straight waveguide section from POINT A and POINT B (fig. 4).
(9) Connect TI between POINT A and POINT B (fig. 4) with the TI directional arrow
pointed towards the frequency extension kit TEST PORT (fig. 4). The insertion loss
indication displayed on the receiver system will be within the limits listed in Appendix A.
(10) Reverse TI connection at POINT A and POINT B (fig. 4). TI arrow must be
pointed towards the frequency extension kit SIGNAL PORT (fig. 4).
(11) Isolation in dB indication displayed on receiver system will be within the limits
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