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Specifications
Specifications
Table A-1 lists the specifications of the dc source. Unless otherwise noted, specifications are warranted
over the ambient temperature range of 0 to 55 °C. Specifications apply with typical cellular phone
capacitive loads from 0µF to 12,000µF. Sensing is at the rear terminals of the power supply after a 30-
minute warm-up period. Sense terminals are externally jumpered to their respective output terminals.
Parameter
Output Ratings
Programming Accuracy
(@ 25°C ±5°C)
DC Measurement Accuracy
(via HP-IB or front panel meters with
respect to actual output @ 25°C ±5°C)
Ripple and Noise
(in the range of 20 Hz to 20 MHz with
outputs ungrounded or with either
terminal grounded)
Load Regulation
(change in output voltage or current for
any load change within ratings)
Line Regulation
(change in output voltage or current for
any line change within ratings)
Transient Response Time
(for the output voltage to recover to within 20 mV of its final value following
a 0.1 to 1.5 A load change in the high capacitance compensation range)
1
From 45° to 55° average current derates linearly from 3 A to 2.5 A. All other specifications are unaffected.
2
Peak current for up to a 7 millisecond time period. Average current over 11.7 milliseconds cannot exceed 3 A.
3
Specification applies for output voltages greater than 10mV.
4
Specification is for phone capacitance greater than 5µF.
Table A-1. Performance Specifications
−20 mA to +20 mA: 0.1% +
+20 mA to +rated I: 0.2% +
−20 mA to − rated I: 0.2% +
Voltage:
Current:
Peak Current:
Voltage: 0.05% +
+Current: 0.05% +
Voltage: 0.03% +
Low Current range
High Current range
Voltage (rms/p-p):
Current (rms):
Voltage:
Current:
Voltage:
Current:
A
HP 66311A
0 – 15 V
0 – 3 A
1
2
5 A
10 mV
1.33 mA
3
5 mV
2.5 µA
0.5mA
1.1mA
1 mV/6 mV
4
2 mA
2 mV
0.75 mA
0.5 mV
0.75 mA
< 35 µs
119
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