Equipment Required, Test Setup, 147 | Agilent Technologies 66111A

Verification and Calibration

Introduction

This appendix includes verification and calibration procedures for the Agilent 66111A Fast Transient DC Source, and the Agilent 66311B/D, 66309B/D Mobile Communications DC Sources. Instructions are given for performing the procedures either from the front panel or from a controller over the GPIB.

The verification procedures do not check all the operating parameters, but verify that the dc source is performing properly. Performance Tests, which check all the specifications of the dc source, are given in the applicable dc source Service Manual.

IMPORTANT: Perform the verification procedures before calibrating your dc source. If the dc source passes the verification procedures, the unit is operating within its calibration limits and does not need to be re-calibrated.

Equipment Required

The equipment listed in the following table, or the equivalent to this equipment, is required for verification and calibration.

Equipment

Digital Multimeter

Current Monitor1

Load Resistor

(3 W min. TC=20ppm/°C)

Power Supply

Table B-1. Equipment Required

Characteristics

Resolution: 10 nV @ 1 V

Readout: 8.5 digits

Accuracy: >20 ppm

15 A (0.1 Ω), ±0.04%, TC=5ppm/°C

400 Ω (verification.)

800 Ω (calibration)

8 V @ 5 A (for current sink verification/calibration)

25 V source (for DVM verification/calibration)

Recommended Model

Agilent 3458A

Guildline 9230/15

p/n 0811-0942 p/n 0811-0600

Agilent 6611C or Agilent 6631B

Agilent 6631C or Agilent 6633B

GPIB Controller

Full GPIB capabilities (only required if you are calibrating the unit over the GPIB)

HP Series 200/300 or equivalent

1The 4- terminal current shunt is used to eliminate output current measurement error caused by voltage drops in the load leads and connections. It has special current-monitoring terminals inside the load connection terminals. Connect the voltmeter directly to these current-monitoring terminals.

Test Setup

Figure B-1 shows the setup for the tests. Be certain to use load leads of sufficient wire gauge to carry the full output current (see chapter 3).

147 66111A, 66309B, 66311B, D specifications

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Agilent Technologies 66111A, D, 66311B, 66309B Test Setup, 147, Table B-1. Equipment Required

Models: 66111A 66309B 66311B D