N4374B datasheet(2/18 Pages) HP

2 / 18 page

General Information

Agilent’s N4374B Lightwave Component Analyzer (LCA) is

optimized for the electro-optical S-parameter measurement

for Cable TV (CATV) and Radio over Fiber (RoF) or radio fre-

quency over Glass (RFoG) applications.

In modern CATV or RoF/RFoG transmission systems ana-

log signals are directly transmitted over optical ﬁber. This

requires very low distortion of the electro-optical devices at

the transmitter and the receiver side. Therefore it is neces-

sary to have very ﬂat transfer characteristic in amplitude and

delay. The N4374B LCA is the tool of choice to optimize your

design for these parameters.

For frequency dependent responsivity measurements

the N4374B is the successor of the industry standard

8702 LCA series. It supports 75 Ohm test with a minimum

loss pad (MLP).

With a completely new design of the optical test set together

with the newest ENA based network analyzer, the N4374B

guarantees excellent electro-optical measurement perfor-

mance. It’s the excellent accuracy that improves the yield from

tests performed with the N4374B, by narrowing margins need-

ed to pass the tested devices. NIST traceability ensures world-

wide comparability of test results.

The fully integrated “turnkey” solution reduces time to mar-

ket, compared to the time-consuming development of a self-

made setup.

In addition a unique new calibration concept signiﬁcantly

reduces time from powering up the LCA until the ﬁrst cali-

brated measurement can be made. This increases productiv-

ity in R&D and on the manufacturing ﬂoor.

By optimizing the electrical and optical design of the N4374B

for lowest noise and ripple, the accuracy has been improved

by more than a factor of 5 compared to the 8702 series LCA

and is now independent of the electrical reﬂection coefﬁ-

cient of the device under test.

The advanced optical design together with temperature-

stabilized transmitter and receiver ensures repeatable mea-

surements over days without recalibration.

Using the advanced measurement capabilities of the net-

work analyzer, all S-parameter related characteristics of the

device under test, like responsivity, ripple, group delay and

3dB-cutoff frequency, can be qualiﬁed with the new N4374B

Lightwave Component Analyzer from 100kHz to 4.5 GHz.

The network analyzer

The N4374B is based on the newest E5071C ENA network

analyzer series. The network analyzer includes a Bias-T for

biasing the electro-optical components.

Key beneﬁts

High absolute and relative accuracy measurements

improve the yield of development and production pro-

cesses. With the excellent accuracy and reproducibil-

ity, measurement results can be compared among test

locations world wide.

High conﬁdence and fast time-to-market with a NIST-

traceable turnkey solution.

Signiﬁcantly increased productivity using the fast and

easy measurement setup with a unique new calibra-

tion process leads to lower cost of test.

75 Ohm support

Speciﬁed phase uncertainty

More than 5 times faster than predecessor 8702 series

speeds up every test procedure

Identical LCA software and remote control across the

N437xB family simpliﬁes integration

Bias-T included in Network Analyzer

Relative frequency response uncertainty:

± 0.6 dB @ 4.5GHz (typ)

Absolute frequency response uncertainty:

± 1.3 dB @ 4.5GHz (typ)

Noise ﬂoor:

-103 dB W/A for E/O measurements @ 4.5 GHz

-90 dB A/W for O/E measurements @ 4.5 GHz

Typical phase uncertanty:

±1.5° max

Transmitter wavelength:

1550nm ± 20 nm

1310nm ± 20 nm

1290 - 1610 nm with external source input

Built-in optical power meter

For fast transmitter power veriﬁcation

Powerful remote control:

State of the art programming interface based on Microsoft

.NET or COM.

Warranty:

1 year warranty is standard for N4374B Lightwave Compo-

nent Analyzer.

Extension to 3 or 5 years available.

N4374B Datasheet(PDF) 2 Page - Agilent(Hewlett-Packard)

N4374B Datasheet(HTML) 2 Page - Agilent(Hewlett-Packard)

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