Carrier 38TXA Guide Uživatelská příručka stáhnout pdf (Strana 36)

36 Chapter 2

S:\agilent\83217\OPT001\BOOK\CHAPTERS\tdscrip.fm

Test Descriptions

TEST_13 - TXA Current Drain

Description

This test measures the average power supply current drawn by the

MSUT when it is operating. The transmitter’s current drain is

expressed in amps. This test can measure current drain using two

methods. The test software first looks to see if an GPIB power supply

has been configured in the External Devices. If one has been

configured, the current drain will be measured via the programmable

power supply over GPIB. See “To Configure a Programmable Power

Supply” in the “Setting Up the Test Set for External Devices” chapter of

the Agilent 83217A Test Software User’s Guide.

If an GPIB power supply is not available, (GPIB power supply not

configured in External Devices the software measures current drain

through the rear-panel dc current measurement capability of the test

system, see the procedure Configuring the Rear Panel dc-Current

Measurement that follows.

This test is not specified by EIA/TIA standards.

A Hewlett-Packard programmable dc power supply is required for this

test if an GPIB power supply is to be configured. A power supply with

sufficient voltage and current capabilities from the following series

must be used:

• Agilent 664xA

• Agilent 665xA

• Agilent 667xA

• Agilent 668xA

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Carrier 38TXA Guide Uživatelská příručka Strana 36