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85092C

4.5 GHz Single-Mode Lightwave Component Analyzer for CATV and Radio over Fiber

HP => Agilent Technologies 

General Information

Key benefits

Agilent’s N4374B Lightwave Component Analyzer (LCA) is ‡ High absolute and relative accuracy measurements

optimized for the electro-optical S-parameter measurement

improve the yield of development and production pro-

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

cesses. With the excellent accuracy and reproducibil-

quency over Glass (RFoG) applications.

ity, measurement results can be compared among test

locations world wide.

In modern CATV or RoF/RFoG transmission systems ana- ‡ High confidence and fast time-to-market with a NIST-

log signals are directly transmitted over optical fiber. This

traceable turnkey solution.

requires very low distortion of the electro-optical devices at ‡ Significantly increased productivity using the fast and

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

easy measurement setup with a unique new calibra-

sary to have very flat transfer characteristic in amplitude and

tion process leads to lower cost of test.

delay. The N4374B LCA is the tool of choice to optimize your ‡ 75 Ohm support

design for these parameters.

‡ Specified phase uncertainty

‡ More than 5 times faster than predecessor 8702 series

For frequency dependent responsivity measurements

speeds up every test procedure

the N4374B is the successor of the industry standard ‡ Identical LCA software and remote control across the

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

N437xB family simplifies integration

loss pad (MLP).

‡ Bias-T included in Network Analyzer

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.

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.

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.

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