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Q8384

AdvantestSpectrum Analyzers

The Advantest Q8384 is a high-end optical spectrum analyzer designed for precise measurement and evaluation of wavelength characteristics in fiber optic communications. Utilizing a high-performance monochromator, it delivers exceptional wavelength resolution and accuracy in the 1.55 µm band, combined with a wide dynamic range and the ability to accept high-power optical inputs directly. It includes diverse WDM analysis functions and EDFA noise figure measurements.

Fiber OpticsLightwave MeasurementNoise FigureSpectrum Analysis

Specifications

General

ParameterValue
InterfacesGPIB
Display10.4-inch color LCD
Storage3.5-inch floppy disk drive

Physical

ParameterValue
Operating Temperature+10 to +40

Wavelength Specifications

ParameterValue
Wavelength Range600 nm to 1700 nm
Minimum Wavelength Resolution10 pm (in 1.55 µm band)
Wavelength Accuracy±20 pm (in 1.55 µm band)

Dynamic Range & Optical Rejection

ParameterValue
Dynamic Range (Peak ± 0.1 nm)50 dB
Dynamic Range (Peak ± 0.2 nm)60 dB

Measurement & Analysis Functions

ParameterValue
WDM AnalysisSupported
EDFA / Optical Amplifier AnalysisSupported (Measurement of NF noise indices)
Pass/Fail Limit TestingSupported (Limit line function with Pass/Fail judgment)

Inputs & Outputs

ParameterValue
Optical Input ConnectorUniversal adapter system

Optical Input

ParameterValue
Applicable FiberSingle-mode (SM 9/125 µm) / Multimode (GI 50/125 µm)

Amplitude / Level

ParameterValue
Level Accuracy±0.4 dB (at -20 dBm input, 1310/1550 nm)
Polarization Dependence±0.05 dB (1520 to 1620 nm band)
Level Linearity±0.05 dB (-50 to +10 dBm, 1550 nm)
Sensitivity-87 dBm (1200 to 1600 nm, 0.1 nm resolution)

Performance

ParameterValue
Measurement Time (Sweep Speed)0.5 seconds (Span 500 nm)

Technology

Monochromator-based Optical Spectrum Analysis

Applications

DWDM system evaluation, EDFA noise figure measurement, optical component characterization