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Introduction and Specifications
AC Voltage Specifications
1
1-15
Table 1-8. AC Voltage Secondary Performance and Operating Characteristics (continued)
5725A Amplifier:
Stability
±1 °C [Note 1]
Temperature Coefficient
Adder
Distortion
Bandwidth
Range Frequency
24 Hours 10°-40 °C
0°-10 °C
and
40°-50 °C
Load Regulation
[Note 2]
10 Hz-10 MHz
±(% output)
Hz ±(ppm output + mV) ±(ppm output)/°C
±
(ppm output + mV)
150 pF 1000 pF
1100 V
040 - 1 k
01 k - 20 k
20 k - 50 k
50 k - 100 k
010 + .5
015 + 2
040 + 2
130 + 2
5
5
10
30
5
5
10
30
010 + 1
090 + 6
275 + 11
500 + 30
0.10
0.10
0.30
0.40
0.10
0.15
0.30
0.40
Voltage Range Maximum Current Limits Load Limits
Output display formats: Voltage or dBm,
dBm reference 600 Ω.
2.2 V [Note 3]
22 V
220 V
50 mA, 0 °C-40 °C
20 mA, 40 °C-50 °C
>50
Ω
,
1000 pF
Minimum output:: 10 % on each range
External sense: Selectable for 2.2 V, 22 V, 220 V, and
1100 V ranges; 5700A/5720A <100 kHz, 5725A <30 kHz
1100 V 6 mA 600 pF
Settling time to full accuracy:
5725A Amplifier: 1000 pF [Note 2]
Frequency (Hz) Settling time (seconds)
040 Hz-5 kHz 50 mA
<20 7
1100 V 05 kHz-30 kHz 70 mA 300 pF
120-120 k 5
30 kHz-100 kHz 70 mA
[Note 4]
150 pF
>120 k 2
Notes:
1 Stability specifications are included in Absolute Uncertainty values
for the primary specifications.
2. The 5725A will drive up to 1000 pF of load capacitance.
Uncertainty specifications include loads to 300 pF and 150 pF as
shown under "Load Limits." For capacitances up to the maximum of
1000 pF, add "Load Regulation."
3. 2.2 V Range, 100 kHz-1.2 MHz only: uncertainty specifications
cover loads to 10 mA or 1000 pF. For higher loads, load regulation
is added.
4. Applies from 0 °C to 40 °C
1000
100
10
0
3.5 V
10000
50 Hz10 Hz 1 kHz 100 kHz 1 MHz 30 MHz
Voltage
Frequency
40 Hz 30 Hz
5725A
5700A-03
2.2 x 10
7
V-Hz
15 Hz
5700A/5720A
Volt-Hertz Capability
ahp160f.eps
Figure 1-1. Volt-Hertz Capability
+ 1 second for amplitude or frequency range change;
+ 2 seconds for 5700A/5720A 1100 V range;
+ 4 seconds for 5725A 1100 V range
Overshoot:: <10%
Common mode rejection: 140 dB, DC to 400 Hz
Frequency:
Ranges (Hz):
10.000-119.99
0.1200 k-1.1999 k, 1.200 k-11.999 k
12.00 k-119.99 k,120.0 k-1.1999
Uncertainty: ±0.01 %
Resolution: 11.999 counts
Phase lock: Selectable rear panel BNC input
Phase uncertainty (except 1100 V range):
>30 Hz: ±1° + 0.05°/kHz), <30 Hz: ±3°
Input voltage: 1 V to 10 V rms sine wave (do not exceed
1 V for mV ranges)
Frequency range: 10 Hz to 1.1999 MHz
Lock range: ±2 % of frequency
Lock-in time: Larger of 10/frequency or 10 msec
Phase reference: Selectable, rear panel BNC output
Range: ±180°
Phase Uncertainty (except 1100 V range):
±1° at quadrature points (0°, ±90°, ±180°) elsewhere
±2°
Stability: ±0.1°
Resolution: 1°
Output level: 2.5 V rms ±0.2 V
Frequency range:
50 kHz to 1 kHz, usable 10 Hz to 1.1999 MHz