TB 9-6625-2343-50
Piston
attenuator
Test instrument
Setting
Min variation
Max variation
(dB)
(dB)
(dB)
30
TRV +0.02
TRV -0.02
(17) Press TI keys as listed in (a) and (b) below:
(a) DATA 9.2.
(b) DATA SPCL.
(18) TI will indicate within limits specified in table 24.
(19) Repeat technique of (15), (17) and (18) for piston attenuator settings and TI
special functions in table 24 below. TI will indicate within calculated limits.
Piston attenuator
Test instrument
setting
Special
Min variation
Max variation
(dB)
function
(dB)
(dB)
30
9.2
TRV -0.02
TRV +0.02
40
9.3
TRV -0.04
TRV +0.04
50
9.4
TRV -0.06
TRV +0.06
60
9.5
TRV -0.08
TRV +0.08
70
9.6
TRV +0.13
TRV -0.13
80
9.7
TRV -0.18
TRV +0.18
(20) Press TI keys as listed in (a) and (b) below:
(a) BLUE.
(b) INSTR PRESET.
(21) Reduce all outputs and disconnect equipment setup.
(22) Connect signal generator No. 1 RF OUTPUT to TI INPUT 50 Ω.
increment steps and an output level of -10 dBm.
(24) Press TI keys as listed in (a) through (j) below:
MEASUREMENT S (shift).
(a)
(b)
TUNED RF LEVEL.
(c)
DATA 4.2.
(d)
DATA SPCL.
(e)
DATA 9.2.
(f)
DATA SPCL.
(g)
DATA CLEAR.
(h)
DISPLAY LOG/LIN.
(i)
BLUE.
(j)
SET REF.
(25) If TI does not indicate 0.00 dBm, repeat (24) (i) and (j) above.
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