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Trigger, Free run, Trigger video level – GW Instek GSP-827 User Manual User Manual

Page 76: 7ghz spectrum analyzer operation manual ⎯ ⎯ 75

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2.7GHz Spectrum Analyzer Operation Manual

75

Exter

Exter

Free Run

Free Run will stop trigger function and stay in normal sweep mode.

Video Level

UP/DOWN

and Scroll: To change the video level by 0.1dBm for every movement.

Editing

: To enter the level on display as the trigger threshold.

Example: Video level is set at –40dBm. The trace freezes when the trigger condition is not met.

When the input signal level is over –40dBm, the sweep starts and captures the signal.

1

Trigger

Start:99.5MHz

RBW:30 kHz

Stop:100.5MHz

VBW:100 kHz

Center:100.0MHz
Span:1.0MHz

Sweep:100.0ms

Video Level:-40 dBm

Free

Run

Ref

Lvl: -30.0 dBm

-30.0

-40.0

-50.0

-60.0

-70.0

-80.0

-90.0

-110.0

-100.0

SAT JAN 28, 2003

14:30:25

INT:REF

AMPL CAL

Video

Level

Singl

Free

Run

Trigger

Video

Level

0

1

2

3

7

6

5

4

8

9

.

-

GHz

dBm

MHz

dBmV

kHz

dBuV

BK SP

Start:99.5MHz

RBW:30 kHz

Stop:100.5MHz

VBW:100 kHz

Center:100.0MHz
Span:1.0MHz

Sweep:100.0ms

Ref

Lvl: -30.0 dBm

-30.0

-40.0

-50.0

-60.0

-70.0

-80.0

-90.0

-110.0

-100.0

SAT JAN 28, 2003

14:30:25

INT:REF

AMPL CAL

Trigger

Delay

Trigger

Freq

Free

Run

Video

Level

Singl

Trigger

Delay

Trigger

Freq

Video Level:-40 dBm

1