32
N2804/5A Differential Probes User’s Guide
Performance Verification
Performance Tests
1
Configure the oscilloscope to the following settings:
Amplitude Scale (Channel 1): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 mV/div
Amplitude Scale (Channel 2): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .500 mV/div
Time Scale: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
μ
s/div
Acquisition mode: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 averages
Input impedance: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
W
.
Trigger: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Channel 2
2
On the 9500B calibrator, configure
CH2
to the following settings:
Type: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TRIGGER
Load: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
W
3
On the 9500B, connect the
CH2
active head to channel 2 on the oscilloscope.
Connect the
CH1
active head to channel 1 on the oscilloscope
4
On the 9500B, set
CH1
to the following settings and enable the output:
Waveform:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . square wave
Load: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 M
W
Amplitude:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.1V pk-pk
Frequency:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 kHz
5
On the oscilloscope, select the amplitude measurement and record the square
wave’s DC amplitude (approximately 100 mV):
V
cal
: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ____________ mV
DC Differential Gain
6
Disable the 9500B’s output and disconnect the active head from channel 1 of the
oscilloscope.
7
Connect the probe’s output to channel 1 of the oscilloscope.
8
Attach the BNC adapter to the 9500B’s
CH1
active head.
9
Attach the differential probe input leads by clipping the alligator clamp to the BNC
adapter banana post.
10
On the 9500B, change the
CH1
amplitude setting to:
N2804A: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10V pk-pk
N2805A: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5V pk-pk
11
Enable the output of the calibrator.