HP 6826A Service Manual

Table 1-1. Specifications, Models 6826A and 6827A (Continued)
POWER SUPPLY SPECIFICATIONS (Continued)
Model 6826A:
Temperature Coefficient:
Voltage (XI Range): lOmV
Voltage (X10 Range): lOOmV
Current: 3mA
Output change per degree Centigrade change in am-
Model 6827A:
bient following 30 minutes warm-up.
Voltage (XI Range): 20mV
Model 6826A:
Voltage (XI0 Range): 200mV
Voltage (XI Range): ,01% + .35mV
Current: 1.5mA
Voltage (X10 Range): .01% + 3mV
Current: .02% + 50juA
Output Impedance (Typical to 50kHz);
Mode! 6827A:
Approximated by a resistance in series with an indue-
Voltage (XI Range): .01% + .7mV
tance (constant voltage operation).
Voltage (XI0 Range): .01% + 6mV
Model 6826A: 1m£2&1.5qH
Current: .02% + 50juA
Model 6827A: 2mft & 4/uH
Drift (Stability):
DC Output Isolation:
Supply may be floated at up to 300V above ground.
Change in output (dc to 20Hz) over 8 hour interval
under constant line, load, and ambient following 30
Remote Resistance Programming:
minutes warm-up.
Mode! 6826A (Resistance Coefficient):
Model 6826A:
Voltage (XI Range): 2000H/V ± .1%
Voltage (XI Range): .03% + 1 mV (Pot wiper jump
Voltage (XI0 Range): 200£2/V ± .1%
effect may add 5mV)
Current: 10£2/mA + .1%
Voltage (X10 Range): .03%+ lOmV (Pot wiper
Model 6827A (Resistance Coefficient):
jump effect may add 50mV)
Voltage (XI Range): 1000H/V + .1%
Current: .1% + 200;uA (Pot wiper jump effect may
Voltage (XI0 Range): lOOft/V ± .1%
add 1.5mA)
Current: 10£2/mA±.1%
Model 6827A:
Voltage (XI Range): .03% + 2mV (Pot wiper jump
Remote Programming Speed:
effect may add 5mV)
50/isec are required to change between 1% and 99% of
Voltage (X10 Range): .03% + 20mV (Pot wiper
the maximum + and — voltage limits.
jump effect may add lOOmV)
Current: .1% + 200,uA (Pot wiper jump effect may
Remote Programming Temperature Coefficient:
add 1mA).
Output change per degree Centigrade change in am-
Load Effect Transient Recovery (Load Transient
bient using an external control resistor (Rp) at output
voltage (Vo) or current (lo)- % T.C. Rp is the tern-
Recovery):
perature coefficient of the control resistance Rp.
Time required for output voltage recovery to within
Model 6826A:
the specified level of the nominal output voltage
Voltage (XI Range): ,25mV + .007% (Vo) +
following a change in output current equal to the
% T.C. Rp (Vo + 5}
current rating of the supply. Voltage (X10 Range): 2.2mV + .007% (Vo) +
Model 6826A:
% T.C. R F (V 0 + 50)
IQOpsec is required for output voltage recovery
Current: .016% (Iq) + 33pA + % T.C. Rp (l 0 )
within 50mV of nominal output voltage.
Model 6827A:
100/usec is required for output voltage recovery
Model 6827A:
within lOOmV of nominal output voltage.
Voltage (XI Range): ,5mV + .007% (Vq) +
Resolution:
% T.C. Rp (Vq + 10)
Voltage (X10 Range): 4mV + .007% (Vo) +
Typical output voltage or current change that can be
% T.C. Rp (Vq + 100)
obtained using front panel controls.
Current: .016% (Iq) + 33/tA + % T.C. Rp (Iq)
1-3

HP 6826A Specifications

General

Brand	HP
Model	6826A
Category	Power Supply
Language	English