External Keyboard .................

3-65

Using the External Keyboard ..............

3-68

External Keyboard Installation ..........

3-68

To Enter a Screen Title .............

3-68

To Enter Programming Commands ........

3-69

To Enter a Prefix ................

3-69

4.Making Basic Measurements Using Spectrum Analyzer Mode

What You’ll Learn in This Chapter . . . . . . .- . . .

4-2

Resolving Signals of Equal Amplitude Using the Resolution

 

Bandwidth

Function . . . . . . . . . . . . . . .

4-3

Resolving Small Signals Hidden by Large Signals Using the

 

Resolution

Bandwidth

Function . . . . . . . . . .

4-6

Increasing the Frequency Readout Resolution Using the

 

Marker

Counter . . . . . . . . . . . . . . . . .

4-9

Decreasing the Frequency Span Using the Marker Track

 

Function . . . . . . . . . . . . . . . . . . . .

4-11

Tracking Unstable Signals Using Marker Track and the

 

Maximum Hold and Minimum Hold Functions . . . .

4-13

Comparing

Signals

Using Delta Markers . . . . . . . .

4-18

Measuring Low-Level Signals Using Attenuation, Video

4-22

Bandwidth,

and

Video

Averaging . . . . . . . . . .

Identifying Distortion Products Using the RF Attenuator

 

and Traces . . . . . . . . . . . . . . . . . . .

4-30

Distortion

from

the Analyzer . . . . . . . . . . . .

4-30

Third-Order

Intermodulation Distortion . . . . . . .

4-34

Using the Analyzer

As a Receiver in Zero Frequency Span

4-37

5.Making Measurements Using Spectrum Analyzer Mode

What You’ll Learn in This Chapter . . . . . . . . . .

5-2

Measuring Amplitude Modulation with the Fast Fourier

 

Transform Function . . . . . . . . . . . . . . . .

5-3

Stimulus-Response

Measurements . . . . . . . . . . .

5-12

What Are Stimulus-Response

Measurements? . . . . .

5-12

Using a Spectrum Analyzer With a Tracking Generator

5-14

Stepping

through the

Measurement . . . . . . . . .

5-15

Tracking

Generator Unleveled

Condition . . . . . . .

5-22

Demodulating and Listening to an

AM or FM Signal . . .

5-23

Triggering

on a Selected Line of a Video Picture Field . .

5-26

Using the Gate Utility to Simplify Time-Gated

5-28

Measurements

(Option

107

only) . . . . . . . . . .

Contents-4