CFG253
Performance Verification & Adjustment Procedures
Page 8 of 19
Procedure #: CP1005 Revision: A
j.
Repeat steps d and e to verify the 50 % duty cycles for the settings in Table 4.
Table 4
RANGE
FREQ. DIAL
FREQ/10
TIME/DIV
RESULT
1K
3.0
OUT
20uSec
50 % Duty Cycle
1K
0.3
OUT
0.2mSec
50 % Duty Cycle
1K
0.3
IN
2 MSec
50 % Duty Cycle
100K
0.3
OUT
2 uSec
50 % Duty Cycle
1M
0.3
IN
2 uSec
50 % Duty Cycle
5.
SYNC (TTL) OUTPUT
a.
Set-Up:
AMPLITUDE
CW
RANGE
1K
FUNCTION
Triangle
VOLTS OUT
Button Out
FREQ/10
Button Out
FREQ DIAL
3.0
b.
Test Scope Set-Up:
Volts/Div
1 V
Time/Div
0.2 mSec
c.
Connect SYNC/TTL OUTPUT directly to the test scope vertical input via a coax
cable (without the 50 ohm terminator).
d.
Check the test scope for a display of approximately 4 volts (4 divisions).
e.
Repeat step d with the FUNCTION set to Square Wave and Sine Wave.
