TB 9-6625-2249-24
(9) Adjust synthesized signal generator level output controls for a multimeter
indication between -0.001 and +0.001 V dc.
NOTE
Maintain multimeter indication of (9) above with synthesized
signal generator level output controls while performing the
adjustment in (10) below.
(10) Adjust A4R81 (fig. 5) for a 0.0 dBm indication with a blinking minus sign on TI
display (R).
(11) Adjust synthesized signal generator level output controls for multimeter
indication between 1.197 and 1.203 V dc.
NOTE
Maintain multimeter indication of (11) above with synthesized
signal generator level output controls while performing the
adjustment in (12) below.
(12) Adjust A4R79 (fig. 5) for a TI display indication between 19.9 and 20.1 dBm (R).
(13) Adjust synthesized signal generator level output controls for a TI display
indication of 20.0 dBm.
(14) Connect multimeter negative lead to A4TP9 (fig. 5) and positive lead to A4TP8
(15) Adjust A4R89 (fig. 5) for a multimeter indication between -0.305 and 0.325 V dc.
(16) Turn synthesized signal generator RF output off.
(17) Connect multimeter (ac mode) negative lead to A4TP4 (fig. 5) and positive lead
(19) Adjust A4R14 (fig. 5) for a maximum indication on digital voltmeter
(typically 70 mV rms).
(20) Turn synthesized signal generator RF output on.
(21) Disconnect 20 dB attenuator (fixed) from figure 4 equipment setup.
(22) Connect TI RF OUTPUT to power meter (fig. 4).
(23) Adjust synthesized signal generator level output controls for a 0 dBm indication
on power meter.
(24) Adjust A4R21 (fig. 5) for a TI 0.0 dBm indication on TI display (R).
(25) Adjust synthesized signal generator level output controls for a -10 dBm
indication on power meter.
(26) Adjust A4R34 (fig. 5) for a -10.0 dBm indication on TI display (R).
(27) Install 20 dB attenuator (fixed) between power meter and TI RF OUTPUT (fig. 4).
10