Keithley 263 User Manual

SECTION 5 - Applications
5-l Model 485 Calibration Connections
..........................................................
5-3
5-2 Calibration Jumper Location (Model 617)
.....................................................
5-5
5-3 Input Offset Adjustment Locations (Model 617).
...............................................
5-6
5-4
Connections for Model 617 Voltage Source Calibration.
.........................................
5-7
5-5
Connections for Model 617 Calibration
.......................................................
5-10
5-6 Connections for External Voltage Source.
.....................................................
5-10
5-7
Model480Calbration
......................................................................
5-14
5-8
Sourcing Guarded Ohms to Electrometer Using an Input Adapter.
...............................
5-15
5-9 Model642Ca~bratlon
........................................................................
5-16
5-10 Model610CCalibration..
..................................................................
5-17
5-11
Model 610C Ohms Accuracy Checks (XGQ)
..................................................
5-18
5-12 Model602AccuracyChecks
.................................................................
5-19
5-13
Model602OhmsAccuracyChecks(SlGn)
....................................................
5-19
5-14
Nulling Circuit
............................................................................
5-20
5-15
LowResistanceMeasurementConnections
....................................................
5-21
5-16
Resistivity Measurement Using the Model 263.
................................................
5-22
5-17
Diodecharacterization
.....................................................................
5-22
5-18
DiodeCurves
.............................................................................
5-22
SECTION 6 - Performance Verification
6-l VOLTSAccuracyChecks ~~.~~~~..~~.~~~~~.~~...~~~.~~~.~.~...~.~~~.~~....~.~~.~.~~~~...~~~~ 6-2
6-2 AMPSZeroOffsetChecks ,,_.,,.,,.._.,,,._...._,,,.,,.__,,..,_...,,,.__..._,...._,,..._._, 6-5
63
AMPS (ZOOPA and 2mA Ranges) Accuracy Checks
6-6
64
AMPS (ZOpA-2bA Ranges) Accuracy Checks
6-7
SECTION 7 -Principles of Operation
7-1 Model 263 Simplified Diagram
..............................................................
7-2
7-2 VoltageSourceBlockDiagram
...............................................................
7-3
7-3 Pulse Width Modulation.
...................................................................
7-4
7-4
3-PoleFilter ...............................................................................
7-5
7-5
Voltage Source Ranging Amplifier
...........................................................
7-6
7-6
Simplified Voltage Source Ranging Amplifier.
.................................................
7-7
7-7
Passive (AMPS V/R Current Source)
.........................................................
7-8
7-8 Active (AMPS) Current Source Circuitry.
.....................................................
7-9
7-9
Active (AMPS) Current Source
..............................................................
7-10
SECTION 8 - Maintenance
8-1
Line Voltage Switch (105-125V Range Selected)
................................................
8-1
8-2 Calibration Switch
.........................................................................
8-3
8-3 Volts and Low Ohms Calibration
............................................................
8-5
8-4
High Ohms Calibration and Voltage Offset Adjust
.............................................
8-6
8-5
OffsetVoltageAdjust
.......................................................................
8-9
E-6 Model263ExplodedView
..................................................................
E-14
x

Keithley 263 Specifications

General

Brand	Keithley
Model	263
Category	Test Equipment
Language	English