USER’S GUIDE
Dynamic Measurement DC Source
Agilent Model 66312A
System DC Power Supply
Agilent 6611C, 6612C, 6613C and 6614C
s1
Agilent Part No. 5962-8194
Microfiche No. 5962-8195
Printed in Malaysia: March 2004
A
Specifications
Specifications
Table A-1 lists the specifications of the dc source. Specifications are warranted over the ambient
temperature range of 0 to 55 °C. Unless otherwise noted, specifications apply when measured at the rear
terminals after a 30-minute warm-up period.
Table A-1. Performance Specifications
Parameter Agilent
6611C
Agilent 6612C
Agilent 66312A
Agilent
6613C
Agilent
6614C
Output Ratings
Programming Accuracy
(@ 25°C ±5°C)
DC Measurement
Accuracy
(via GPIB or front panel
Voltage:
Current:
Voltage: 0.05% +
+Current: 0.05% +
Voltage: 0.03% +
Low Current range
−20 mA to +20 mA: 0.1% +
0–8V
0-5 A
5mV
2mA
2mV
2.5 µA
0 − 20 V
0 − 2A
10 mV
1
2
3
1mA
3mV
2.5 µA
1
2
3
0–50V
0–1A
20 mV
0.75 mA
6mV
2.5 uA
0 – 100 V
0–0.5A
50 mV
1
2
3
0.5 mA
12 mV
2.5 µA
1
2
3
meters with respect to
actual output @ 25°C
±5°C)
Ripple and Noise
(in the range of 20 Hz to
High Current range
+20mAto+ratedI: 0.2%+
−20 mA to − rated I: 0.2% +
Voltage (rms/p-p):
Current (rms):
4
0.5mA
1.1mA
0.5mV/3mV
2mA
4
0.25 mA
0.85 mA
0.5mV/3mV
1mA
5
4
0.2 mA
0.8 mA
0.5mV/4mV
1mA
4
0.1 mA
0.7 mA
0.6mV/5mV
1mA
20 MHz with outputs
ungrounded or with
either terminal grounded)
Load Regulation
6
(change in output voltage
Voltage:
Current:
2mV
1mA
2mV
0.5 mA
4mV
0.5 mA
5mV
0.5 mA
or current for any load
change within ratings)
Line Regulation
(change in output voltage
Voltage:
Current:
0.5 mV
0.5 mA
0.5 mV
0.5 mA
1mV
0.25 mA
1mV
0.25 mA
or current for any line
change within ratings)
Transient Response
6
Time
< 100 µs
(for the output voltage to recover to its previous level within 0.1% of the voltage rating of the unit or 20 millivolts following a
change in load current of up to 50% of the output current rating)
1
0.05% + 3.32mA (Agilent 6611C), 1.53mA (Agilent 66312A/12C), 1.01mA(Agilent 6613C), 0.63mA (Agilent 6614C) when programming
betweenzero and 0.03% of fullscale current.
2
Applies for output voltagesgreater than 10mV (Agilent 6611C/12C), 25mV (Agilent 6613C), and 50mV (Agilent 6614C).
3
This specification maydegrade slightly when the unit is subjected to an RF field ≥3 V/meter.
4
For Agilent 66312A: appliesinSCPI mode, withcurrent detector settoDC. With current detectorset to ACDC, accuracy is 0.2% + four times
the fixed error value. InCOMPatibility mode, accuracyis 0.2% + six times the fixed error value.
5
For Agilent 66312A (from 1 MHz to 20 MHz ) = 0.5mV/15mV.
6
Applies at rear terminals with unit settoremote sensing and with senseterminals externally jumpered to their respectiveoutput terminals.
49
A - Specifications
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
Parameter Agilent 6611C Agilent6612C
Agilent 66312A
Input Rating 100 Vac mains:
(at full load ) 120 Vac mains:
220 Vac mains:
230 Vac mains:
0 – 8.190 V
0 – 5.118 A
12 V
2 mV
1.25 mA
60 mV
200 mV1 240 mV 600 mV 1.2 V
213 uA
0.6 uA
0.15 mV
30 uA
2 mV
60 uV
25 uA
160 uA
0.3 uA
0.25 mV
50 uA
Output Programming Voltage:
Range Currrent:
OVP:
Average Programming Voltage:
Resolution Current:
OVP:
OVP Accuracy 2.4 % +
Maximum Current Measurement 7 A 2.43 A 1.28 A 0.7 A
Average Current High Range:
Measurement Low Range:
Resolution
Sink Current2 - 3 A - 1.2 A - 0.6 A - 0.3 A
Programming Accuracy Voltage: 0.01% +
Temperature Coefficient Current: 0.01% +
(change/ C
Readback Accuracy Voltage: 0.01% +
Temperature Coefficient
(change/C
Current (ACDC): 0.05% +
Current (Low Range): 0.01% +
Drift3 Voltage: 0.01% +
Current: 0.01% +
Output Voltage Rise/Fall Time
(for a change from 10% to 90% or
90% to 10% of the total excursion)
Output Voltage Settling Time
(to settle within 1 LSB or 0.025% times
the rated voltage of the final value)
1
Agilent 6611C Option 760 = 2.4% + 500mV.
2
The 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 operating conditions.
O
) OVP: 0.015% +
O
) Current (DC): 0.02% +
100 Vac nominal, 50/60 Hz, 2A, 200 VA max.
120 Vac nominal, 50/60 Hz, 1.7A, 200 VA max.
220 Vac nominal, 50/60 Hz, 0.95A, 200 VA max.
230 Vac nominal, 50/60 Hz, 0.85A, 200 VA max.
0 – 20.475 V
0 – 2.0475 A
0 – 22 V
5 mV
0.5 mA
100 mV
74 uA
0.6 uA
0.25 mV
12 uA
4 mV
150 uV
10 uA
80 uA
0.3 uA
0.5 mV
20 uA
Agilent 6613C Agilent 6614C
0 – 51.188 V
0 – 1.0238 A
0-55 V
12.5 mV
0.25 mA
250 mV
39 uA
0.6 uA
0.5 mV
6 uA
10 mV
500 uV
5 uA
40 uA
0.3 uA
1 mV
10 uA
2 ms
6 ms
0 - 102.38 V
0 – 0.5118 A
0 – 110 V
25 mV
0.125 mA
500 mV
21 uA
0.6 uA
1 mV
3 uA
20 mV
700 uV
3 uA
20 uA
0.3 uA
1 mV
10 uA
50
Table A-2. Supplemental Characteristics (continued)
Specifications - A
Parameter Agilent 66312A
Dynamic Measurement
Accuracy
Dynamic Measurement
System
Measurement Time
(voltage or current)
Command Processing
Time
Remote Sense Capability
Savable Instrument States
(applies only in SCPI mode)
RS-232 Interface
Capabilities
GPIB Interface
Capabilities
Instantaneous Voltage:
Instantaneous Current:
Buffer Length:
Sampling Rate Range:
Baud rates:
Data formats:
Language:
Language:
Interface:
Agilent 6611C -
6614C
0.03% + 5 mV
0.6% + 1 mA
4096 points
1
not applicable
not applicable
15.6µs−31,200s
50 ms average
(includes the default time of 30 ms
2
for acquiring
data, and a 20 ms data processing overhead)
4 ms average
(for output to begin to change
following receipt of digital data)
Up to 2 V can be dropped across each load lead.
(add 2 mV to the voltage load regulation
specification for each 1 V change in the positive
output lead due to load current change.)
4 (in locations 0 to 3)
300 600 1200 2400 4800 9600
7 bits even or odd parity; 8 bits without parity
SCPI or COMPatibility
SCPI or COMPatibility
3
3
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:
Digital OUT Port 0,1,2
(open collector)
same as INH/FLT Characteristics
Output leakage @ 16V = 0.1 mA (ports 0,1)
= 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
1
For full scale current changes with a risetime of 20 µs, an additional 0.5% error exists in the first data point in the buffer after the change. The
error percentage increases proportionally with the decrease in risetime.
2
This time may be reduced by changing the default conditions of 2048 data points, however, measurement accuracy will be reduced.
3
COMPatibility language is used to program the Agilent 663xA Series power supplies.
51
A - Specifications
Table A-2. Supplemental Characteristics (continued)
Parameter Agilent 66312A
Digital I/O Characteristics
(continued)
Isolation to Ground
(Maximum from either
output terminal to chassis)
Recommended Calibration
Interval
Regulatory Compliance
Dimensions
(see figure 3-1)
Net weight
Shipping weight
Digital IN Port 2:
(internal pull-up)
Listing pending:
Certified to:
Conforms to:
Complies with:
Height:
Width:
Depth:
Agilent 6611C - 6614C
Low-level input current @ 0.4 V = 1.25 mA
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.
50 Vdc 240 Vdc
1 year
(from the date the unit is put into service)
UL 3111-1
CSA 22.2 No. 1010.1
IEC 1010-1
EMC directive 89/336/EEC (ISM Group1 Class B)
88.1 mm (3.5in.)
212.8 mm (8.4in.)
444.4 mm (17.5 in.)
8.8 kg (19.5 lbs.) 8.2 kg (18.16 lbs.)
11.1 kg (24.5 lbs.) 10.6 kg (23.5 lbs.)
88.1 mm (3.5in.)
212.8 mm (8.4in.)
368.3 mm (14.5 in.)
52
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