Agilent Technologies 3458A Calibration Manual page 90

AC + DCV Accuracy (ACDCV Function)
For ACDCV Accuracy apply the following additional error to the ACV accuracy. (% of Range).
DC £10% of AC Voltage
ACBAND ACBAND
£ 2 MHz
Range >2 MHz
10 mV 0.09 0.09
100 mV–1 kV 0.008 0.09
Additional Errors
Apply the following additional errors as appropriate to your particular measurement setup. (% of Reading)
Source R 0–1 MHz 1–4 MHz 4–8 MHz 8–10 MHz
0 W
0
50 W Terminated 0.003
75 W Terminated 0.004
50 W
0.005
3
Reading Rates
Sec/Reading
% Resolution ACV
0.1 – 0.2 40
0.2 – 0.4 11
0.4 – 0.6 2.7
0.6 – 1 1.4
1 – 2 0.8
2 – 5 0.4
>5 0.32
Settling Characteristics
For first reading or range change error using default
delays, add 0.01% of input step additional error.
The following data applies for DELAY 0.
Function DC Component
ACV DC < 10% of AC 0.5 sec to 0.01%
DC > 10% of AC 0.9 sec to 0.01%
ACDCV No instrument settling required.
90 Appendix A Specifications
Temperature
1
Coefficient
0.03
0.0025
2
Input Frequency
2 5 5
0 0 0
2 5 5
3 7 10
High Frequency Temperature Coefficient
ACDCV
For outside Tcal ±
39 (% of Reading) /
9.6
Range
2.4
10 mV – 1 V
1.1
10 V – 1000 V
0.5
0.1
0.022
Common Mode Rejection
For 1 kW imbalance in LO lead, > 90 dB, DC to 60
Hz.
Maximum Input
Settling Time
HI to LO
LO to Guard
Guard to Earth
Volt – Hz
Product
DC >10% of AC Voltage
Temperature
ACBAND ACBAND
£ 2 MHz
>2 MHz Coefficient
0.7 0.7 0.18
0.07 0.7 0.025
Crest Factor Resolution MultIplier
1–2 (Resolution in %) × 1
2–3 (Resolution in %) × 3
3–4 (Resolution in %) × 5
4–5 (Resolution in %) × 8
add the following error.
5°C
°C
2– 4 MHz 4– 10 MHz
0.02 0.08
0.08 0.08
Rated Input Non-Destructive
±1000 V pk ±1200 V pk
± 200 V pk ± 350 V pk
± 500 V pk ±1000 V pk
8
1 x 10
1
1. Additional error beyond ±1°C,
but within ±5°C of last
ACAL.
(% of Reading) / °C.
For ACBAND > 2 MHz, use
10 mV range temperature
coefficient for all ranges.
2. Flatness error including
instrument loading.
3. For DELAY –1;ARANGE
OFF. For DELAY 0 in ACV,
the reading rates are identical
to ACDCV.