Agilent Technologies 8935 Series Specifikace stáhnout pdf (Strana 198)

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Chapter 8 197

Performance Tests

AF Generator AC Level Accuracy Performance Test 8

AF Generator AC Level Accuracy

Performance Test 8

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

specification limits in PTR (Performance Test Record) Table 9-8, “AF

Generator AC Level Accuracy Test 8 Record,” on page 256. There are

two audio generators. AC level accuracy is measured directly with a

digital multi meter.

Figure 8-13 Setup

Procedure

1. Set the multimeter to measure AC volts.

2. On the Test Set:

a. Press

Preset.

b. Select the RF GENERATOR screen.

c. Set the AFGen1 To and AFGen2 To fields to Audio Out.

3. On the Test Set for Audio Frequency Generator 1 do the following:

a. Set the AFGen2 To level field to Off.

b. Set the audio frequency and level as shown in the Performance

Test Record (PTR) and measure the AC level. Compare the

measured voltage to the limits.

4. On the Test Set for Audio Frequency Generator 2 do the following:

a. Set the AFGen1 To level field to Off and AFGen2 To level field to

On.

b. Set the audio frequency and level as shown in the PTR and

measure the AC level. Compare the measured voltage to the

limits.

INPUT

AUDIO OUT

Multimeter

1 2 ... 193 194 195 196 197 198 199 200 201 202 203 ... 342 343

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