TB 9-6625-1976-24
the ac measurement standard INPUT 2 LO terminal. Press ac measurement standard
INPUT 2 pushbutton.
(2) On ac measurement standard, press the UTIL MENUS pushbutton then the
MEAS CONTROL soft key. Set DIGITAL FILTER MODE to FAST and RESTART to
MEDIUM. Push the DONE soft key twice to return to the measurement display and set to
AUTO range.
(3) Set FREQUENCY RANGE-Hz switch to 1 kHz and FREQUENCY dials to
1.0000 K.
(4) Set VOLTAGE RANGE switch to 1 V, VOLTAGE dials to 1.000000 V, and
VOLTAGE ERROR-% switch to OFF.
(5) Set SENSE switch to EXT and MODE switch to OPER.
(6) Measure TI output. If ac measurement standard does not indicate between
0.99978 and 1.00022 V, perform b (1) through (5) below.
(7) Set MODE switch to STDBY.
(8) Repeat technique of (3) through (7) above, using settings and indications listed
in table 5.
Table 5. Voltage Accuracy
AC measurement std
Test Instrument
indications
VOLTAGE
Out-of-
FREQUENCY
RANGE
tolerance
RANGE-Hz
dials
switch
VOLTAGE
adjustment
switch settings
(Hz)
settings
dials
Min
Max
sequence
Step
1
1K
1.0000 K
10 V
1.00000
0.9996 V
1.0004 V
b(1) thru
(5)
2
1K
1.0000 K
10 V
10.00000
9.9978 V
10.0022 V
3
1K
1.0000 K
100 V
100.0000
99.978 V
100.022 V
b(6) and (7)
4
1M
1.0000 M
10 V
10.00000
9.964 V
10.036 V
b(8) thru
(12)
5
1M
1.0000 M
10 V
1.00000
0.9937 V
1.0063 V
6
1M
1.0000 M
1V
1.00000
0.9964 V
1.0036 V
b(13) and (14)
7
1M
1
M
100 V
10.0000
9.937 V
10.063 V
b(15) and (16)
8
1M
0.300
M
100 V
10.0000
9.937 V
10.063 V
9
100
20
100 V
10.0000
9.985 V
10.015 V
10
100
100
10 V
10.0000
9.9978 V
10.0022 V
11
10 K
10
K
10 V
10.0000
9.9978 V
10.0022 V
12
100 K
90.00
K
1V
1.00000
0.99945 V
1.00055 V
13
100 K
30.00
K
1V
1.00000
0.99945 V
1.00055 V
14
10 K
10
K
1V
1.00000
0.99978 V
1.00022 V
15
1K
400
1V
1.00000
0.99978 V
1.00022 V
16
100
20
1V
1.00000
0.99895 V
1.00105 V
17
1K
1.0000 K
100 mV
100.0000
99.97 mV
100.03 mV
18
100 K
30.00
K
100 mV
100.0000
99.93 mV
100.07 mV
19
100 K
90.00
K
100 mV
100.0000
99.93 mV
100.07 mV
9
