Agilent Technologies
66319B/66319D and 66321B/66321D
Mobile Communications dc
Sources
Technical Specifications
2
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.
Table A-1. Performance specifications
1
Parameter Agilent 66321B/66321D; Agilent 66319B/66319D
Agilent 66319B/66319D output 2 only
output 1 only
Output ratings Voltage: 0 – 15 V 0 – 12 V
Current: 0 – 3 A 0 – 1.5 A
Peak Current: 5 A
2
2.5 A
3
Programming accuracy Voltage: 0.05% + 10 mV 0.2% + 40 mV
(@ 25˚ C ±5˚ C) +Current: 0.05% + 1.33 mA
4
0.2% + 4.5 mA
Resistance: 0.5% + 2 m½ NA
DC Measurement accuracy Voltage: 0.03% + 5 mV 0.2% + 15 mV
(via GPIB or front panel meters Output 2 Current: NA 0.2% + 3 mA
with respect to actual output High current range
@ 25˚C ±5˚C) –3 A to +5 A: 0.2% + 0.5 mA
5
NA
Mid current range
–1 A to +1A: 0.1% + 0.2 mA NA
Low current range
–20 mA to +20 mA: 0.1% + 2.5 µA
6
NA
Ripple and noise Voltage (rms/p-p): 1 mV/6 mV
7
1 mV/6 mV
7
(in the range of 20 Hz to 20 MHz Current (rms): 2 mA 2 mA
with outputs ungrounded or with
either terminal grounded)
Load regulation Voltage: 5 mV
8
1.6 mV
(change in output voltage or Current: 0.75 mA 0.375 mA
current for any load change
within ratings)
Line regulation Voltage: 0.5 mV 0.4 mV
(change in output voltage or Current: 0.75 mA 0.25 mA
current for any line change
within ratings)
Transient response time < 20 µs
9
< 400 ms
10
(for the output voltage to recover
to within 20 mV of its final value)
1. Highlighted items are new and or improved.
2. Peak current for up to a 7 millisecond time period. Average current cannot exceed 3 A.
3. Peak current for up to a 1 millisecond time period. Average current cannot exceed 1.5 A.
4. 0.05% +2.3 mA when programming between zero and 0.03% of full scale current
5. Applies with current detector set to DC. ACDC mode accuracy is 0.2% + 3mA for sourcing and 0.2% + 3.6 mA for sinking.
6. This specification may degrade slightly when the unit is subjected to an RF field ³3 V/meter.
7. Specification is for phone capacitance greater than 6 µF.
8. With resistance set to zero ohms.
9. Following a 0.1 A to 1.5 A load change in the high capacitance compensation range.
10. Following a 0.75 A to 1.5 A load change.
3
Supplemental characteristics
Table A-2 lists the supplemental characteristics, which are not warranted but are descriptions of typical performance
determined either by design or type testing.
Table A-2. Supplemental characteristics
1
Parameter Agilent 66321B/66321D; Agilent 66319B/66319D
Agilent 66319B/66319D output 2 only
output 1 only
Output programming range Voltage: 0 – 15.535 V 0 – 12.25 V
Current: 0 – 3.0712 A 0 – 1.52 A
Resistance: 0 – 1½ to –0.04 - 1½ NA
Average programming resolution Voltage: 4.2 mV 14 mV
Current: 0.825 mA 1.75 mA
Resistance: 1 m½ NA
Tracking OVP accuracy
(refer to page 32 for details) Above programmed 2.0V ± 2% NA
voltage:
Average current measurement resolution High range: 214 µA 55 µA
Mid range: 32 µA NA
Low range: 0.6 µA NA
Maximum current measurement High range: 7A 1.8A
Mid range: 1.05 A NA
Low range: 21.5 mA NA
Sink current –2 A @ 7.5 V
2
–0.03 A @ 7.5 V
Programming accuracy Voltage: 0.01% + 0.5 mV 0.03% + 1.5 mV
temperature coefficient High current (dc): 0.01% + 15 µA 0.03% + 0.4 mA
(change/C˚) Resistance: 0.1% + 0.2 m½ NA
Readback accuracy temperature Voltage: 0.01% + 300 µV 0.02% + 1.5 mV
coefficient (change/C˚) High current (dc): 0.02% + 15 µA 0.02% + 0.4 mA
High current (acdc): 0.05% + 120 µA NA
Mid current range: 0.01% + 10 µA NA
Low current range: 0.01% + 0.3 µA NA
Drift
3
Voltage: 0.01% + 1 mV 0.03% + 3 mV
Current: + 0.01% + 30 µA 0.03% + 0.8 mA
Remote sense capability In each load lead up to 4 V
4
up to 4 V
5
Output voltage rise time 10% to 90%: < 200 µs < 200 ms
Output voltage fall time 90% to 10%: < 200 µs < 35 ms
Output voltage settling time
6
0 to rated voltage: 0.5 ms NA
rated voltage to 0: 1 ms NA
Output 2 OFF time 12 V to 2 V: NA < 200 µs
7
Typical transient voltage With short load leads: 30mV w/6µF load cap NA
undershoot values (< 1 meter) 25mV w/20µF load cap
(actual values are dependent With long load leads: 40mV w/6µF load cap
on the test setup) (up to 6 meters) 30mV w/20µF load cap
1. Highlighted items are new and or improved.
2. The sink current decreases linearly from 2.8A @ 0 V to 1.2 A @ 15 V. Sink current does not track the programmed current.
3. Following a 30 minute warm-up, the change in output over 8 hours, under constant ambient, load and line conditions.
4. Add 2 mV to the load regulation for each 1 V change in the positive output lead.
5. Add 3 mV to the load regulation for each 1 V change in the negative output lead.
6. To settle within 12 mV of the final value for Output 1.
7. When output 2 is turned off or disabled, the output voltage reduces from 12 V to less than 2 V in under 200 ms.
4
5
Table A-2. Supplemental characteristics (continued)
Parameter Agilent 66321B/66321D; Agilent 66319B/66319D
Agilent 66319B/66319D output 2 only
output1 only
Dynamic measurement system
1
Buffer length: 1 - 4096 points NA
Sample rate range: 15.6µs - 31200s
Voltage or current: 50 ms average
Measurement time
(includes 30 ms
2
data acquisition
time and 20 ms data processing
overhead)
Command processing time 4 ms average
(time for output to begin to change
following receipt of digital data)
Savable instrument states 4 (in locations 0 to 3)
(applies only in SCPI mode)
GPIB interface capabilities Language: SCPI
Interface: AH1, C0, DC1, DT1, E1,
L4, PP0, RL1, SH1, SR1, T6
INH/FLT characteristics Maximum ratings: 16.5 Vdc between terminals 1 and 2; 3 and 4;
and from terminals 1 or 2 to chassis ground
FLT terminals: Low-level output current = 1.25 mA max.
Low-level output voltage = 0.5 V max.
INH terminals: Low-level input voltage = 0.8 V max.
High-level input voltage = 2 V min.
Low-level input current = 1 mA
Pulse width = 100 µs min.
Time delay = 4 ms typical
Digital I/O characteristics Maximum ratings: same as INH/FLT Characteristics
Digital OUT port 0, 1, 2 Output leakage @ 16V = 0.1 mA (ports 0,1)
(open collector) = 12.5 mA (port 2)
Output leakage @ 5V = 0.1 mA (ports 0,1)
= 0.25 mA (port 2)
Low-level output sink current @ 0.5 V = 4 mA
Low-level output sink current @ 1 V = 50 mA
Digital IN port 2: Low-level input current @ 0.4 V = 1.25 mA
(internal pull-up) High-level input current @ 5 V = 0.25 mA
Low-level input voltage = 0.8 V max.
High-level input voltage = 2.0 V min.
Isolation to ground 50 Vdc
(Maximum from either output
terminal to chassis)
Mains input ratings: 100 Vac (87-106 Vac): 1.7 A, 125 W 2 A, 170 W
(at full load from 47-63 Hz) 115 Vac (104-127 Vac): 1.5 A, 125 W 1.7 A, 170 W
220 Vac (191-233 Vac): 0.8 A, 125 W 0.92 A, 170 W
230 Vac (207-253 Vac): 0.75A, 125 W 0.85A, 170 W
1. For a pulse waveform, the accuracy of any individual data point in the buffer depends on the rise time of the pulse. For a current pulse of 1.4A
with a rise time constant of 50µs, the error in measurement of a single data point during the rise time is » 10mA.
2. May be reduced by changing the default conditions of 2048 data points but measurement uncertainty due to noise will increase.
Table A-2. Supplemental characteristics (continued)
Parameter All models
Calibration interval from the date the unit is put into service 1 year (recommended)
Regulatory compliance Listing pending: UL 3111-1
Certified to: CSA 22.2 No. 1010.1
Conforms to: IEC 1010-1, EN 61010-1
Complies with: EMC directive 89/336/EEC
(ISM Group1 Class B)
Dimensions Height: 88.1 mm (3.5in.)
(see figure 3-1) Width: 212.8 mm (8.4in.)
Depth: 435 mm (17.125 in.)
Net weight 9.07 kg (20 lbs.)
Shipping weight 11.1 kg (24.5 lbs.)
Table A-3. Agilent 66319D and 66321D DVM specifications and characteristics
Performance specifications (warranted from 0 to 55˚ C unless otherwise noted)
DC readback accuracy (@ 25˚ C ±5˚ C) 0.04% +5 mV
AC+DC rms readback accuracy 60 Hz to 10 kHz: 1% +5 mV
1
(@ 25˚ C ±5˚ C with dc plus a 45-60 Hz and 10-20 kHz: 4% +5 mV
1
sinewave input >25 mV rms)
Common mode voltage range –4.5 Vpk to +25 Vpk
(from either DVM input with respect to the
negative output terminal of output 1)
Maximum DC differential voltage ±25 V peak
Maximum AC differential voltage 10 V rms
2
(with a sinewave input)
Supplemental characteristics
Maximum continuous input capability without damage 50 V
(between input terminals or from either
input to chassis ground)
Input resistance 20 M½
(from either DVM input with respect to either
output terminal of output 1)
Input capacitance < 60 pF
(on either input terminal)
DC common mode rejection ratio > 83 dB
Voltage readback resolution Front panel: 1 mV
GPIB: < 0.2 mV
Readback temperature coefficient (change per˚C) 0.002% + 0.2 mV
Table A-4. Agilent 66319B and 66319D, Option 521 characteristics
Output impedance Output = OFF 500k ohms
Solid state relay current rise time
(from 10% to 90% of the total output change) Relay mode = Hot 100 microseconds
Solid state relay current fall time
(from 10% to 90% of the total output change) Relay mode = Hot 50 microseconds
1. +15 mV for dc plus sinewave input < 25 mV rms.
2. To accept 10 Vrms sinewave input, the common mode voltage with respect to the negative terminal of output 1 must be 10 Vdc.
This is required to “center” the DVM in its common mode range.
678
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