Agilent Technologies 8935 Series Especificações descarregar pdf (Página 218)

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101

Chapter 8 217

Performance Tests

RF Analyzer Residual FM Performance Test 23

RF Analyzer Residual FM

Performance Test 23

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

specification limits in PTR (Performance Test Record) Table 9-23, “RF

Analyzer Residual FM Test 23 Record,” on page 274. The AM/FM test

source provides a CW signal with minimal residual FM. The FM is

measured by the Test Set’s internal RF analyzer.

Figure 8-28 Setup

Procedure

1. On the AM/FM test source, set the test mode to residual FM.

2. On the Test Set:

a. Press

Preset.

b. Select the INSTRUMENT CONFIGURE screen.

c. Set the RF Display field to Freq.

d. Select the CDMA GENERATOR screen.

e. Set the CW RF Path field to Bypass.

f. Select the RF ANALYZER screen.

g. Set the Tune Freq to 560 MHz.

h. Set the Input Port field to Ant.

i. Set the IF Filter field to 230 kHz.

j. Select the AF ANALYZER screen.

k. Set the AF Anl In field to FM Demod.

l. Set the Filter 1 field to 300Hz HPF.

m.Set the Filter 2 field to 3kHz LPF.

n. Set the Detector field to RMS.

ANT IN

AM/FM Test Source

LOW RESIDUAL OUTPUT

1 2 ... 213 214 215 216 217 218 219 220 221 222 223 ... 342 343

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