Atec Keithley-2015-16 - Manual (Page 5)

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A G R E A T E R M E A S U R E O F C O N F I D E N C E
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DISTORTION CHARACTERISTICS
VOLTAGE RANGE: 100mV, 1V, 10V, 100V, 750V (user selectable).
INPUT IMPEDANCE: 1M Ω paralleled by <100pF.
DISPLAY RANGE: 0–100% or 0–100.00dB.
RESOLUTION: 0.0001% or 0.00001dB.
FUNDAMENTAL FREQUENCY RANGE: 20Hz–20kHz.
HARMONIC FREQUENCY RANGE: 40Hz–50kHz.
FREQUENCY RESOLUTION: 0.008Hz.
FREQUENCY ACCURACY: ±0.01% of reading.
FREQUENCY TEMPERATURE COEFFICIENT: ≤100ppm over operating temperature range.
MEASUREMENT ACCURACY RESIDUAL
MODE (1 Year, 23°C ±5°C) DISTORTION 1
THD and individual ±0.8dB, 0.004% or –87dB
harmonic magnitudes 20Hz to 20kHz 2 20Hz to 20kHz
THD + n ±1.5 dB, 0.056% or –65dB
100Hz to 20kHz 2 20Hz to 20kHz
SINAD ±1.5dB +65dB
100Hz to 20kHz 2 20Hz to 20kHz
AC Level ±(0.13% of reading +
V rms 0.009% of range)
20Hz to 20kHz
DISTORTION MEASUREMENT AUDIO FILTERS
None C-Message
CCITT Weighting CCIR/ARM
CCIR “A” Weighting
NUMBER OF HARMONICS INCLUDED IN THD CALCULATION: 2 to 64 (user selectable).
HI AND LO CUTOFF FILTERS (bus settable): 20Hz–50kHz. Can be combined to form brick-
wall bandpass filter.
DISTORTION MEASUREMENT READING RATE 3
FUNDAMENTAL MINIMUM
FREQUENCY FUNDAMENTAL READINGS
ACQUISITION FREQUENCY PER
MODE RANGE SECOND
Single acquisition 20 Hz to 100 Hz 14
or stored value 100 Hz to 1 kHz 24
1 kHz to 20 kHz 28
Automatic 20 Hz to 30 Hz 5.5
30 Hz to 400 Hz 6
400 Hz to 20 kHz 6.6
FREQUENCY SWEEP READING RATE
NUMBER OF FREQUENCIES TIME (seconds) 4
5 0.2
30 1.1
100 3.5
200 6.9
NOTES
1. Input signal at full scale.
2. V
IN
≥20% of range and harmonics >–65dB.
3. Speeds are for default operating conditions (*RST), and display off, auto range off, binary data transfer,
trig delay = 0.
4. Typical times: frequencies in 400–4kHz range, binary data transfer, TRIG DELAY = 0, Display OFF, Auto Range
OFF. Data returned is THD measurement plus AC voltage.
GENERATOR CHARACTERISTICS
FREQUENCY RANGE: 10–20kHz.
FREQUENCY RESOLUTION: 0.007Hz.
FREQUENCY ACCURACY: ±(0.015% of reading + 0.007Hz) 1 .
FREQUENCY TEMPERATURE COEFFICIENT: <100ppm over operating temperature range.
SOURCE OUTPUT:
WAVEFORM: Sinewave.
AMPLITUDE RANGE: 2015, 2015-P: 2V rms (50 Ω and 600Ω) or 4V rms (HI Z).
2016, 2016-P: 4.75V rms (50 Ω and 600Ω) or 9.5V rms (HI Z).
AMPLITUDE RESOLUTION: 2015, 2015-P: 0.5mV rms (50 Ω and 600Ω) or 1mV rms (HI Z).
2016, 2016-P: 1.25mV rms (50 Ω and 600Ω) or 2.5mV rms (HI Z).
AMPLITUDE ACCURACY: 2015, 2015-P: ±(0.3% of setting + 2mV) 1, 4 .
2016, 2016-P: ±(0.3% of setting + 5mV) 1, 4 .
AMPLITUDE TEMPERATURE COEFFICIENT: Typically 0.015%/°C.
AMPLITUDE FLATNESS: ±0.1dB 1, 4, 5 .
OUTPUT IMPEDANCE: 50 Ω ± 1Ω or 600Ω ± 10Ω, user selectable.
THD: –64dB 6 .
NOISE: 2015, 2015-P: 100µV rms2.
2016, 2016-P: 250µV rms
2 .
DC OFFSET VOLTAGE: 2015, 2015-P: ±1.2mV 1 . 2016, 2016-P: ±3mV 1 .
INV/PULSE OUTPUT (SINEWAVE MODE):
FREQUENCY: Same as source output.
AMPLITUDE RANGE: 2015, 2015-P: 2V rms (50 Ω and 600Ω) or 4V rms (HI Z).
2016, 2016-P: 4.75V rms (50 Ω and 600Ω) or 9.5V rms (HI Z).
AMPLITUDE RESOLUTION: 2015, 2015-P: 0.5mV rms (50 Ω and 600Ω) or 1mV rms (HI Z).
2016, 2016-P: 1.25mV rms (50 Ω and 600Ω) or 2.5mV rms (HI Z).
AMPLITUDE ACCURACY: 2015, 2015-P: ±(2.0% of setting + 2mV) 1, 4 .
2016, 2016-P: ±(2.0% of setting + 5mV) 1, 4 .
AMPLITUDE FLATNESS: ±0.1dB 1, 4, 5 .
OUTPUT IMPEDANCE: Same as Source Output setting.
THD: –64dB 6 .
NOISE: 2015, 2015-P: 100µV rms 2 .
2016, 2016-P: 250µV rms 2 .
DC OFFSET VOLTAGE: 2015, 2015-P: ±1.1mV typ., ±13mV max. 1
2016, 2016-P: ±3mV typ., ±13mV max. 1
INV/PULSE OUTPUT (PULSE MODE):
FREQUENCY: Same as source output.
DUTY CYCLE: 45% ±3%.
OUTPUT IMPEDANCE: Same output impedance as the source output.
AMPLITUDE: 0.0V ±0.07V to 4.9V ±0.12V pulse open circuit 1, 3 .
0.0V ±0.05V to 3.3V ±0.08V pulse 100 Ω load 1, 3 .
OVERSHOOT: 1.0V maximum pulse open circuit 3 .
0.2V maximum with 100 Ω load pulse open circuit 3 .
UNDERSHOOT: 1.1V maximum pulse open circuit 3 .
0.45V maximum with 100 Ω load pulse open circuit 3 .
NOTES
1. 1 year, 23°C ±5°C.
2. Measured at V
OUT
= 0V with gain 100 amplifier and 2-pole 50kHz low pass filter, Inv/Pulse in sinewave mode,
HI Z output impedance, and no load.
3. With HI Z output impedance and 1m 50 Ω coaxial cable.
4. HI Z output impedance, no load.
5. 4V output.
6. THD measurement includes harmonics 2 through 5, 1V rms output, HI Z, no load.
2015, 2015-P, 6 1 ⁄
2
-Digit THD Multimeters
2016, 2016-P 6 1 ⁄
2
-Digit Audio Analyzing Multimeters