Modulation Menu

Key Sequence: Modulation

Modulation Menu

Signal Pattern Opens the Edit Signal Menu for Signal configuration. Interferer Pattern Opens the Edit Interferer Menu for Interferer configuration.

Edit Signal Menu

Key Sequence: Modulation > Signal Pattern

Edit Signal Menu

Analog Opens the Analog Modulation Configuration dialog box and Modulation Config menu to setup modulation type, frequency, and depth. Digital Opens the Digital Modulation Configuration dialog box and lists Modulation Config menu to select a modulation type and signal pattern. Custom Opens the Custom Modulation Configuration dialog box and the Modulation Config menu to select a pattern for use as signal or interferer. Spectrum Inversion Press to toggle Spectrum Inversion from Normal to Reverse. This may be necessary for some cases of BER testing. Back Returns to the Modulation Menu.

Edit Interferer Menu

Key Sequence: Modulation > Interferer Pattern

Edit Interferer Menu

Analog Opens the Analog Modulation Configuration dialog box and Modulation Config menu to setup modulation type, frequency, and depth. Digital Opens the Digital Modulation Configuration dialog box and lists Modulation Config menu to select a modulation type and signal pattern. Custom Opens the Custom Modulation Configuration dialog box and the Modulation Config menu to select a pattern for use as signal or interferer. Spectrum Inversion Press to toggle Spectrum Inversion from Normal to Reverse. This may be necessary for some cases of BER testing. Back Returns to the Modulation Menu.

 

 

Analog Modulation Configuration

Sine Wave AM

When generating an AM sine wave, 7 discrete frequency settings are available, as shown in Table: Sine Wave AM – Frequencies. After selecting a frequency, choose one of 7 settings for Percent Depth as shown in Table: Sine Wave AM – Percent Depth.

Sine Wave AM – Frequencies

400 Hz

1 kHz

3 kHz

5 kHz

10 kHz

15 kHz

20 kHz

Sine Wave AM – Percent Depth

5 %

10 %

20 %

30 %

50 %

70 %

90 %

 

 

Sine Wave FM

When generating an FM sine wave, 6 discrete rate settings are available, as shown in Table: Sine Wave FM – Rates. After selecting a rate, choose one of 8 settings for Deviation in hertz, as shown in Table: Sine Wave FM – Deviations.

Sine Wave FM – Rates

1 kHz

5 kHz

10 kHz

50 kHz

100 kHz

500 kHz

Sine Wave FM – Deviations

100 Hz

500 Hz

1 kHz

5 kHz

10 kHz

50 kHz

100 kHz

500 kHz

Pulsed CW

Pulsed CW is available only as a single channel. Choose one of 3 settings for the period, as shown in Table: Period Settings for Pulsed CW.

Period Settings for Pulsed CW

0.1 msec (10 kHz)

1 msec (1 kHz)

2.5 msec (400 Hz)

 

 

Digital Modulation

Digital Modulation Configuration

The digital modulation types and their associated signal patterns are shown in Table: Digital Modulation Configuration.

Digital Modulation Configuration

Modulation Type	Signal Pattern
PSK	W-CDMA Pilot (QPSK, 3.84 Msym/s, RRC, alpha=0.22, PN9) EDGE Continuous (3Pi/8-8PSK, 270.833 ksym/sec, Lin-Gauss, PN9)
QAM	DECT 16 QAM Continuous (1.152 Msym/s, RRC, alpha=0.5, PN9) J.83C Digital Cable (16 QAM, 5 Msym/s, RRC, alpha=0.13, PN9) DVB-C (16 QAM, 6.84 Msym/s, RRC, alpha=0.15, PN9) DECT 64 QAM (1.152 Msym/s, RRC, alph=0.5, PN9) US Digital 64 QAM (5.056941 Msym/s, RRC, alpha=0.18, PN9)

 

Copyright 2011 Anritsu Company
	Anritsu Company
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