TB 9-4931-534-35
(4) Establish a reference on the receiver system at test frequency recorded in 7 a
above.
(5) Press receiver system MEAS-REF pushbutton.
(6) Connect TI between POINT A and POINT B (fig. 1). TI arrow must be pointed
in direction of signal flow from synthesized signal generator to receiver system.
(7) Insertion loss in dB indications displayed on receiver system will be within
(8) Reverse TI connections at POINT A and POINT B (fig. 1). TI arrow must be
pointed against the signal flow from synthesized signal generator to receiver system.
(9) Isolation in dB (minimum) indication displayed on receiver system will be within
(10) Repeat (2) through (9) above for remaining test frequencies recorded in 7 a
above.
b. Adjustments. No adjustments can be made.
13. Insertion Loss and
Isolation (Isolator WG to 18 GHz)
a. Performance Check
(1) Connect equipment as shown in figure 2 except do not connect directional
coupler into equipment setup. Allow equipment to warm up for 1 hour.
with optimum RF output.
(4) Establish a reference on the receiver system at test frequency determined in 7 a
above.
(5) Press receiver system MEAS-REF pushbutton.
(6) Connect TI between POINT A and POINT B (fig. 2). TI arrow must be pointed
in direction of signal flow from synthesized signal generator to receiver system.
(7) Insertion loss in dB indication displayed on receiver system will be within limits
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