Triangle
Linearity
This procedure tests the linearity of the
HP
E1440A
triangle
wave
output. As the triangle and ramp outputs are generated by the same
circuits, this procedure also tests the ramp linearity.
Specifications
f
0.05% of full output, 10% to 90%, best fit straight line
Equipment Required
High-speed DC Digital Voltmeter
Resistor, 20R 114
W
1%
Resistor,
30R
114
W
1%
BNC-to-Triax Adapter
Procedure
1.
Connect the HP E1440A and the high-speed voltmeter through
the divider as shown in Figure
C-13.
Hlgh
Speed
DVM
HP
E1400B
0.25
H
1%
iZ0"
Figure C-13. Triangle Linearity Test Set-Up
2. Set the HP E1440A output as follows:
High-Voltage Output Off
Function
Triangle
Frequency
10 kHz
Amplitude
10 VP-P>
DC
Offset 0 V
OUTPUT Vxi
;
"
:
OUTP
:
AMPL OFF
;
:FUNC TR1;:FREq 1E4;
:
VOLT
:
AMPL
10
;
:VOLT:OFFS
0"
3.
Set the voltmeter as follows:
Range
1
V
Number of readings
1
Trigger
External
C-36 Performance tests
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