Input Resistance - HP 54520 Series Service Manual

Performance Test Record
|G HEWLETT
PACKARD
HP 54520A/54522A/54540A/54542A Oscilloscopes
Model Number Tested by.
Serial Number Work Order No.
Recommended Test Interval - 1 Year/2000 hours Date
Recommended next testing, Temperature
Test Limits Results
de Calibrator 5.000 V 4.990 to 5.010 Vde
Amplitude
Channel 1 Channel 2 Channel 3 Chan 4/Ext
Input 502 49.5Q to 50.52
Resistance = 1 MQ 990 kQ to 1.010 MQ
—
Voltage Range Supply Limits
Measurement
Accuracy 5V/div 30V 29.34 V to 30.66 V
5V/div = 15V 14.34 V to 15.66 V
5Vidiv = 5V 4.34 V to 5.66 V
200mV-— «1.2 1.1736 V to 1.2264 V
200mV = 600 mV 573.6 V to 626.4V
200mV = 300 mV_—s: 173.6 V to 226.4V
10mV 60 mV 58.68 mV to 61.32 mV
10 mV 30 mV 28.68 mV to 31.32 mV
10 mV 10 mV 8.68 mV to 11.32 mV
7mvV 42 mV 41.076 mV to 42.924 mV
7mV 21 mV 20.076 mV to 21.924 mV
7TmV 7mV 6.076 mV to 7.924 mV
Offset Range Offset limits
Accuracy
200 mV/div 2.0V 1.943 to 2.057 V
100 mV/div 1.0V 0.9715 to 1.0285 V
50 mV/div 500 mV 485.75 to 514.25 mV