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Modulation [1, Modulation – RIGOL DSG3000 Series User Manual

Page 134

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RIGOL

Chapter 6 Specifications

6-6

DSG3000 User’s Guide

Modulation

[1]

Simultaneous Modulation

AM

FM

ØM

Pulse mod.

I/Q mod. (opt.)

AM

×

FM

×

ШM

Ч

Pulse mod.

I/Q mod.(opt.) ×

NOTE: ○:compatible; ×: incompatible; △:compatible with AM Performance reduced

Amplitude Modulation

Operating modes

Internal, external, internal + external

Modulation depth

[2]

The modulation depth that can be

set from +7dBm to +13dBm

observing the AM specifications

continuously decrease.

0% to 100%

Resolution

0.1%

AM depth uncertainty f

mod

=1kHz

<4% of setting+1%

AM distortion

f

mod

=1kHz, m<30%, level=0dBm

<3% (typ.)

Modulation frequency

response

m<80%, 10Hz to 50kHz

<3dB (nom.)

Frequency Modulation

Operating modes

Internal, external, internal + external

Maximum deviation

N×1MHz (nom.)

Resolution

<0.1% of deviation, or 1Hz, whichever is greater (nom.)

Setting uncertainty

f

mod

=1kHz, internal mode

<2% of setting+20Hz

FM distortion

f

mod

=1kHz, deviation= N×50kHz

<2% (typ.)

Modulation frequency

response

[3]

10Hz to 100kHz

<3dB (nom.)

NOTE: [1] The modulation source is sine waveform unless otherwise noted.

[2] Peak power of the envelope is no more than the maximum value of the specification output range.

[3] External operating mode, measured at 100 kHz deviation.