TB 9-4931-538-40
(16) Press SYSTEM CONTROL CLEAR DISPLAY pushbutton and wait for 64
averages to accumulate.
(17) Press More and Measure keys. Press Precision key until Fine is highlighted.
(18) Press Period key and wait for TI to measure the period of 10 MHz sine wave.
Period will indicate between 99.89 and 100.11 ns.
(19) Repeat technique of (16) through (18) above for TI settings and function
generator settings listed in table 6.
Table 6. Long Delta t
Function generator
Test instrument
Test instrument indications
Timebase/TIME/DIV/Sweep
settings
Speed Settings
Min
Max
5 MHz
100
ns/div
199.790
ns
200.210
ns
2 MHz
250
ns/div
499.490
ns
500.510
ns
1 MHz
500
ns/div
998.99
ns
1.00101
s
500
kHz
1 s /div
1.99799 s
2.00210
s
200
kHz
2.5 s /div
4.99499 s
5.0050
s
100
kHz
5 s /div
9.98999 s
10.01001
s
50
kHz
10
s /div
19.9799 s
20.02001
s
20
kHz
25
s /div
49.9499 s
50.05001
s
10
kHz
50
s /div
99.8999 s
100.1000
s
(20) Remove all connections from TI.
b. Adjustments. No further adjustments can be made.
11. Trigger Sensitivity and Jitter test
a. Performance Checks
(1) Set the display menu and mainframe settings to meet the following conditions:
(a) Press Display key. Display Mode to Average is highlighted. NUMBER
OF AVERAGES to # Averages = 4. Screen to Single is highlighted. Graticule to
Frame is highlighted. Bandwidth to 12.4 GHz is highlighted.
(b) Press Channels key. Channel 1 through 4 display Off is highlighted.
VOLTS/DIV to Sensitivity = 20.00 mV/div for Channel 1 through 4. OFFSET to Offset
= 0.000 V. PROBE ATTEN to Chl Atten Factor = 1.000.
(c) Press Timebase key. TIME/DIV to Sweep Speed = 1.00 ms/div. DELAY
to Delay = 16.0000 ns. Delay Ref at Left is highlighted. Freerun/Trg'd Sweep to
Trg'd is highlighted.
(d) Press Trigger key. TRIGGER LEVEL to Trigger Level = 0.000 V.
Slope to Pos is highlighted. PROBE/ATTEN to Ext Atten Factor = 1.000. HF Sens to
Off is highlighted. HF Reject to Off is highlighted.
(e) Press MORE and Network keys.
Reflect/Trans/Cal to Reflect is
highlighted. Step & Chan 1 to Off is highlighted.
Change 1
