TB 9-6625-2340-24
LVL as indicated by TI annotation should be .00 0.5 dB.
(90) TI MKR
(91) Press TI REFERENCE LEVEL, 11.9, and dBm keys.
(92) Set attenuator No. 2 to 0 and attenuator No. 1 to 7 dB.
(93) TI MKR
LVL as indicated by TI annotation should be .00 0.5 dB.
(94) Press TI keys as listed in (a) through (d) below:
(a) SCALE LIN.
(b) SHIFT.
(c) AUTOA.
(d) REFERENCE LEVEL, 19.9, dBm.
(95) Set attenuators as in step (86) above.
(96) Press TI keys as listed in (a) through (c) below:
MARKER .
(a)
MARKER .
(b)
REFERENCE LEVEL, 18, and dBm.
(c)
(97) Set attenuators as in step (89) above.
LVL indication of 0.10 dB (R).
(98) Adjust A4A5R51 (fig. 15) for a TI MKR
(99) Remove attenuators from hookup.
(100) Connect TI CAL OUTPUT to TI RF INPUT.
(101) Press TI keys as listed in (a) and (b) below:
2-22 GHz.
(a)
RECALL, 9.
(b)
(102) Set TI FREQ ZERO control to midrange.
(103) Adjust A4A5C10 (fig. 15) to peak signal trace on TI.
(104) Press TI keys as listed in (a) through (d) below:
FREQUENCY SPAN, 500, Hz.
(a)
RES BW, 100, Hz.
(b)
MARKER PEAK SEARCH.
(c)
MARKER .
(d)
(105) Adjust TI FREQ ZERO control fully clockwise.
(106) Press TI MARKER PEAK SEARCH key.
(107) Signal peak should be at least 60 Hz away from center graticule.
(108) Press TI keys as listed in (a) and (b) below:
(a) 2-22 GHz.
(b) RECALL, 9.
(109) Set TI FREQ ZERO control to peak signal trace on TI .
(110) Press TI 2-22 GHz key.
44