Agilent Technologies 8935 Series Specifikace stáhnout pdf (Strana 202)

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Chapter 8 201

Performance Tests

AF Analyzer AC Level Accuracy Performance Test 12

AF Analyzer AC Level Accuracy

Performance Test 12

The purpose of this test is to verify that the Test Set meets the

specification limits in PTR (Performance Test Record) Table 9-12, “AF

Analyzer AC Voltage Accuracy Test 12 Record,” on page 262. To

measure AC voltage accuracy, an AC signal is measured by an external

multi meter and compared to the Test Set’s internal AC voltmeter

reading.

Figure 8-17 Setup

Procedure

1. Set the digital multimeter to measure AC volts.

2. On the Test Set:

a. Press

Preset.

b. Select the AF ANALYZER screen.

c. Set the AF Anl In field to Audio In.

d. Set the Filter 2 field to >99kHz LPF.

e. Set the Audio In Lo field to Gnd.

f. Set the Detector field to RMS.

g. Set the Settling field to Slow.

3. Set the audio analyzer’s source to the frequencies and levels shown

in the Performance Test Record. (Adjust the level until the digital

multimeter reads the correct level.)

4. Measure the AC level on the Test Set and compare the measured

level to the limits.

OUTPUT

AUDIO IN HI

Audio Analyzer

Multimeter

INPUT

1 2 ... 197 198 199 200 201 202 203 204 205 206 207 ... 342 343

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