Amplitude modulation - distortion, Absolute accuracy, Fm rejection – Agilent Technologies N9010A User Manual

Page 163: Residual am, Measurement range

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Chapter 16

163

Analog Demodulation Measurement Application

Amplitude Modulation - Distortion

Amplitude Modulation - Distortion

Description

Specifications

Supplemental Information

Residual

a

a. For optimum measurement, ensure that the channel bandwidth is set wide enough to capture the

significant RF energy. Setting the channel bandwidth too wide will result in measurement errors.

(Depth: 50

%,

Rate: 1 to 10 kHz)

THD

Distortion

SINAD


0.16

% (nominal)

0.3

% (nominal)

50 dB (nominal)

Absolute Accuracy

(Depth: 50

%,

Rate: 1 to 10 kHz)

THD

± (1%

×

reading

+ residual)

(nominal)

Measured 2nd and 3rd
harmonics

Distortion

± (1%

×

reading

+ residual)

(nominal)

SINAD

±0.05 dB + residual (nominal)

FM Rejection

(AF

+ deviation < 0.5 × channel

BW,

AF

< 0.1 × channel BW)

0.5

% (nominal)

Residual AM

(RF 500 kHz to 20 GHz)

0.2

% (nominal)

Measurement Range

(Depth: 50

%

Rate: 1 to 10 kHz)

THD

b

b.

The measurement includes at most 10 harmonics.

Residual to 100

% (nominal)

Measured 2nd and 3rd
harmonics

Distortion

Residual to 100

% (nominal)

SINAD

0 dB to residual (nominal)

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