5520A
Operators Manual
8-60
8-77. Oscilloscope Calibration Option Specifications
These specifications apply only to the Oscilloscope Calibration Option. General
specifications that apply to the 5520A Calibrator can be found in Chapter 1. The
specifications are valid providing the 5520A is operated under the conditions specified in
Chapter 1, and has completed a warm-up period of at least twice the length of time the
calibrator was powered off, up to a maximum of 30 minutes.
8-78. Volt Function Specifications
dc Signal Square Wave Signal
Volt Function into 50 Ω into 1 MΩ into 50 Ω into 1 MΩ
Amplitude Characteristics
Range 0 V to
± 2.2 V
0 V to
± 33 V
1.8 mV to
2.2 V p-p
1.8 mV to
105 V p-p
[1]
Resolution <100 V: 4 digits or 10 µV, whichever is greater
≥100 V: 5 digits
Adjustment Range Continuous [1]
1-Year Absolute Uncertainty, tcal ± 5°C ± (0.25% of output + 100 µV) [2] [3]
Sequence 1-2-5 (e.g., 10 mV, 20 mV, 50 mV)
Square Wave Frequency Characteristics
Range 10 Hz to 10 kHz
1-Year Absolute Uncertainty, tcal ± 5°C ± (25 ppm of setting + 15 mHz)
Typical Aberration
within 20 µs from leading edge < (2% of output + 100 µV)
[1] The square wave signal into 1 MΩ is a positive square wave from 1.8 mV to 55 V p-p. From 95 V to
105 V, its output is a square wave-like signal that alternates between the negative peak and the
positive peak, with the centerline at −10 V. Signals between 55 V and 95 V p-p are not available.
[2] The uncertainty for 50 Ω loads does not include the input impedance uncertainty of the
oscilloscope. Square wave signals below 4.5 mV p-p have an uncertainty of ± (0.25% of output +
200 µV).
[3] Signals from 95 to 105 V p-p have an uncertainty of 0.5% of output in the frequency range 100 Hz
to 1 kHz. Typical uncertainty is 1.5% of output for 95 V to 105 V p-p signals in the frequency range
10 Hz to 100 Hz, and 0.5% of output in the frequency range 1 kHz to 10 kHz.
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