Insertion Loss and Isolation

TB 9-5985-314-24

NOTE

Clean all connectors with alcohol.

Connect equipment as shown in figure 1, and allow 1 hour for

equipment warm-up.

NOTE

Do not connect TI into equipment setup at this time.

18. Insertion Loss and Isolation

a. Performance Check

(1) Adjust signal generator No. 1 frequency controls to 0.960 GHz and adjust RF

OUTPUT controls for +6 dBm.

NOTE

Use 15% SEARCH MODE on receiver system.

(2) Connect POINT A to POINT B (fig. 1) and establish a reference 0.00 dB on

receiver system at 0.960 GHz.

(3) Connect TI into figure 1 equipment setup as listed in (a) through (c) below:

(a) INPUT PORT to POINT A.

(b) OUTPUT PORT to POINT B.

(4) Receiver system indication will be 0.5 dB or less.

(5) Adjust signal generator No. 1 and receiver system frequency controls to

frequency settings listed in table 5. Receiver system indication will be 0.5 dB or less.

Table 5. Coaxial Circulator Frequencies

GHz

0.960

1.000

1.030

1.060

1.090

1.100

(6) Repeat (1) and (2) above.

(7) Connect TI into figure 1 equipment setup as listed in (a) through (c) below:

(a) OUTPUT PORT to POINT A.

(b) INPUT PORT to POINT B.