Advantest R3860+R3968 : 300kHz - 8GHz RF Component Analyzer+9-Port Test Adapter

The Q7750 optocope (optical network analyzer) is a revolutionary device for measuring optical transmission characteristics.

It can measure the amplitude/dispersion/group delay characteristics of incident and reflected light 

from optical devices at high speed and high resolution over the optical carrier frequency range.

In addition, it can easily measure various chromatic dispersion characteristics, including the zero-dispersion

characteristics and dispersion slope characteristics of dispersion-shifted or non-zero-dispersion fibers.

Measurement using the phase-shift method enables high optical frequency resolution and wide dynamic range.

Batch Measurement of Optical Transmission Characteristics in the Optical Carrier Frequency Range 

The Q7750 is equipped with a variable wavelength light source.

The Q7750 is equipped with a variable wavelength light source that enables simultaneous measurement of transmission 

and reflection characteristics in the optical carrier frequency range by scanning a series of wavelengths (optical frequencies) (S21 and S11 as S-parameters).

The measurement parameters are shown in the table below. These parameters can be measured simultaneously in a single scan.

Outstanding signal purity

The U3661's local oscillator is equipped with a precision synthesizer that achieves a signal purity 

of -100 dBc/Hz (at frequencies ≤3.2 GHz and an offset frequency of 10 kHz). 

It meets a variety of needs, from adjacent channel leakage power measurements at radio facilities to microwave equipment evaluation.

Wideband scanning

The U3661 can continuously scan a frequency bandwidth from 9 kHz to 26.5 GHz on a single screen. 

Harmonic measurements or spurious signal measurements over a wide bandwidth can be easily compared relative to the fundamental.

Adjacent Channel Leakage Power

The U3661 obtains the total power from the measurement data on the screen.

It then integrates the power over the specified bandwidth (BS) to obtain its ratio to the total power.

ACP POINT and ACP GRAPH measurement methods can be selected.

Various Measurement Applications Power Measurement Functions

Average power

Digital mobile communication systems use modulation patterns that can handle signals with large amplitude variations.

Therefore, we have included an average power calculation function that allows power measurement of signals with amplitude variations.

Total Power

For spread spectrum signals used in CDMA or wireless LANs, the total power measurement function is essential. 

This function consists of two modes: a channel mode for measuring the in-band power specified in the measurement window,

and a total power mode for measuring the total power over the entire measurement span.

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