TB 9-6625-2124-35
NOTE
When performing (12) above, a sharp drop in power meter
indication will be observed at the end of band 1 (band
breakpoint). Continue to manually tune TI output frequency
until power meter indication returns.
(13) Adjust A4R12 (fig. 11) for power meter indication equal to value recorded in (11)
above (R).
(14) Press RECALL key and enter data of 3 on keyboard. Record power meter indication.
(15) Repeat (12) above.
(16) Adjust A4R10 (fig. 11) for power meter indication equal to value recorded in (14)
above (R).
(17) Press RECALL key and enter data 6 on keyboard. Record power meter indication.
(18) Repeat (12) above.
(19) Adjust A4R8 (fig. 11) for power meter indication equal to value recorded in (17)
above (R).
(20) Repeat (1) through (19) above until no further adjustment is required.
(21) Connect SWEEP OUTPUT to oscilloscope CH2 input.
(22) Connect semiconductor device to RF OUTPUT and connect oscilloscope CH1
input to semiconductor device.
(23) Press function keys and enter corresponding data on keyboard as listed in (a)
through (e) below:
(a)
INSTR PRESET key.
(b)
START key, DATA ENTRY 10 MHz.
(c)
STOP key, DATA ENTRY 18 GHz.
(d)
POWER LEVEL key, DATA ENTRY 10 dBm.
(e)
RF BLANK (ON).
(24) Set oscilloscope for an X verses Y operation and adjust controls as necessary to
display the TI output.
(25) Set A5R34, A5R36, A5R38, and A5R40 (fig. 12) fully cw.
(26) Adjust A5R48 (fig. 12) for best overall trace flatness as displayed on oscilloscope (R).
(27) Adjust BP (breakpoint) and SL (slope) adjustments listed in table 8 for best
overall trace flatness as displayed on oscilloscope.
BP adjustment
SL adjustments
(fig. 12) (R)
BP1 A5R34
SL1 A5R41
BP2 A5R36
SL2 A5R42
BP3 A5R38
SL3 A5R43
BP4 A5R40
SL4 A5R44
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