Current Programming and Readback Accuracy

This test verifies that the current programming and readback are within specification. Connect the appropriate current monitoring resistor (see Table B-1) as shown in Figure B-1(2). The accuracy of the resistor must be as specified in the table.

Table B-3. Current Programming and Readback Accuracy Test

 

 

Action

Normal Result

1

Turn off the power supply and connect the current monitoring

 

 

resistor as shown in Figure B-1(2). Be certain to use wire of

 

 

sufficient size to carry the maximum rated current of the

 

 

supply (see Table 4-1 in Chapter 4).

 

2

Connect a DVM across the resistor.

 

3

Turn on the power supply and program the output for 5 volts

 

 

and 0 amperes.

 

 

4

Disable the output (

)

 

 

 

 

 

 

WARNING

 

 

 

ENERGY HAZARD for Series 668xA/669xA. The power supply can provide more than 240 VA at more than 2 V.

 

If the output connections touch, severe arcing may occur resulting in burns, ignition or welding of parts. Do not

 

attempt to make connections to live output circuits.

 

 

 

 

 

5

Enable the output

or OUTP ON).

 

6

Observe the DVM voltage reading. Divide this by the

Value within Low Current limits (see applicable test

 

resistance of the current monitor resistor. Record the result as

table).

 

the Low Current value in applicable test table.

 

7

Record the front panel display readback

Value within specified readback limits (see

 

 

 

applicable test table).

8

Program output current to full scale.

 

9

Repeat Steps 6 and 7.

 

Both current readings within specified High Current

 

 

 

and readback limits (see applicable test table).

10

Disable the output (

).

 

11

Remove the short from across the load.

 

108 Operation Verification

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Agilent Technologies 669xA Current Programming and Readback Accuracy, Sufficient size to carry the maximum rated current

668xA, 669xA, 667xA, 664xA, 665xA specifications

Agilent Technologies has long been a pioneer in the production of high-performance electronic test and measurement instruments, particularly in the field of power sources. Among its notable offerings are the Agilent 667xA, 669xA, 665xA, 664xA, and 668xA series of power supplies. These instruments are designed to provide stable, reliable power for a variety of applications, including electronic testing, industrial processes, and research laboratories.

The Agilent 667xA series is characterized by its programmability and advanced measurement functions. These power supplies support a wide range of output voltages and currents, allowing for flexible configurations that cater to different testing needs. The built-in measurement capabilities enable users to monitor the voltage, current, and power with high precision, which is essential for ensuring optimal performance in electronic applications.

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