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3-10. OFFSET ACCURACY
This test verifies the offset accuracy.
Specification:
± (1.0% of channel offset + 2.0% of full scale)
Equipment Required:
The following equipment is required for the test. Procedures are based on the model or part numbers rec-
ommended.
Equipment Required Critical Specification
Recommended
Model/Part Number
DC Power Supply
Digital Multimeter
Cable
Adapter
− 35.000 to + 35.000 Vdc, ± 1 mV resolution
Better than 0.1% accuracy
50 Ω BNC (m to m) 48-inch
50 Ω BNC (f) to Dual Banana Plug
HP 6114A
HP 3458A
HP 10503A
HP 1251-2277
Procedure:
Zero-Input Offset
1. Disconnect all cables and probes from the oscilloscope inputs. In the Waveform Selection menu de-
lete channel 2. If channel 1 is not inserted, insert channel 1. Then set up the oscilloscope module
according to the following parameters in the order given:
Menu Selection Setting
Channel
Trigger
Display
Input
Probe
v/Div
Offset
Coupling
s/Div
Mode
Mode
Average #
Grid
Markers
1
1:1
4 V
0 V
1 MΩ / DC
500 ns
Immediate
Average
32
On
On
2. With the DC power supply disconnected from the channel input, make sure the markers are near
the center of the display.
HP 16532A - Performance Tests
3-9