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Agilent

8703 A Lightwave Component Analyzer

Test & ProbeAgilent 87xx family
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8703 A Lightwave Component Analyzer — Inventory photo
Fig. 018703 A Lightwave Component AnalyzerInventory photo[1]

Power

130 MHz to 20 GHz[2]

Optics

Single wavelength configuration[2]

What it is

The Agilent 8703A Lightwave Component Analyzer is a lightwave and microwave measurement instrument for optical, electrical, and electro-optical device characterization. The Agilent 8703A can show measurements in magnitude, phase, and distance-time formats.[2]

The Agilent 8703A uses a single-wavelength configuration with a 1300 nm or 1550 nm carrier and a 130 MHz to 20 GHz modulation bandwidth. The Agilent 8703A has lightwave source and receiver functions, microwave source and receiver functions, and an information processor.[2]

How it works

The Agilent 8703A combines a lightwave test set with a microwave test set. The instrument supports optical output, optical input, RF input, and RF output paths, and the block diagram shows an optical modulator, laser, optical switch in the external-source configuration, photodiode receivers, samplers, and a phase-lock and bias-tee based microwave section.[2]

The Agilent 8703A measures source, receiver, optical device, and microwave device behavior. The Agilent 8703A performs transfer-function and reflection tests, and it can report insertion loss or gain, return loss, group delay, step response, and distance-time response.[2]

Where it fits in the process flow

The Agilent 8703A fits in optical-device, optoelectronic-device, and microwave-device characterization rather than in wafer fabrication steps. The Agilent 8703A is used after a device, receiver, source, or interconnect has been built and needs frequency-domain and distance-time performance measurement.[2]

The Agilent 8703A supports calibration and accuracy enhancement before measurement. The Agilent 8703A supports response calibration, response and match calibration, response and isolation calibration, one-port calibration, full two-port calibration, reference-plane extensions, IF-bandwidth control, and sweep-to-sweep averaging.[2]

Applications

The Agilent 8703A is used for lightwave source characterization, lightwave receiver characterization, optical-device characterization, and microwave-device characterization. The Agilent 8703A measures modulation bandwidth, modulated output power flatness, step response, modulation signal group delay, differential phase, insertion loss or gain, and port return loss.[2]

The Agilent 8703A supports optical reflection tests, electrical reflection tests, and distance-time response measurements. The Agilent 8703A also supports measurements on optical-to-optical, optical-to-electrical, electrical-to-optical, and electrical-to-electrical paths.[2]

What do the numbers mean?

Power & electrical2

Modulation bandwidth
130 MHz to 20 GHz[2]
Accurate?
Measured domains
Optical, electrical, and electro-optical[2]
Accurate?

Optics & imaging2

Single wavelength configuration[2]
Accurate?
Internal source wavelengths
1308 nm or 1550 nm, ±10 nm[2]
Accurate?

Control & software1

Connector types
Lightwave: HMS-10, FC/PC, DIN 47256, ST, Biconic, SC; Microwave: 3.5 mm (male)[2]
Accurate?

Configuration & options4

For parts[1]
Accurate?
Type
Lightwave Component Analyzer[1]
Accurate?
Model
8703 A[1]
Accurate?
Frequency coverage
0.13 to 20 GHz[2]
Accurate?

Vintage & configurations

Documented models & variants

DesignationGenerationVintageChangesSource
Option 100——Adds external lightwave source input.assets.testequity.com[2]
Option 210——Adds a 1550 nm DFB laser.assets.testequity.com[2]
Option 220——Adds a 1300 nm DFB laser.assets.testequity.com[2]
Option 300——Adds one lightwave receiver.assets.testequity.com[2]
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What does it need to run?

Site utility requirements, footprint, and infrastructure needed to install and operate this tool. Sourced from public records.

  • Modulation bandwidth130 MHz to 20 GHz[2]
  • Measured domainsOptical, electrical, and electro-optical[2]

Where are the manuals?

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Not publicly documented

Field notes

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Frequently asked questions

What frequency range does the Agilent 8703A cover?

The Agilent 8703A has a modulation bandwidth from 130 MHz to 20 GHz. The microwave source and microwave receiver sections also operate from 130 MHz to 20 GHz.[2]

What kinds of measurements can the Agilent 8703A perform?

The Agilent 8703A performs lightwave source characterization, lightwave receiver characterization, optical-device characterization, and microwave-device characterization. The Agilent 8703A measures insertion loss or gain, return loss, step response, group delay, modulation bandwidth, and distance-time response.[2]

What connector types are used on the Agilent 8703A?

The lightwave side uses HMS-10, FC/PC, DIN 47256, ST, Biconic, and SC connector types. The microwave side uses 3.5 mm male connectors.[2]

Not publicly documented

The following facts about the 8703 A Lightwave Component Analyzer are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.

  • No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the 8703 A Lightwave Component Analyzer are on record.

    Answerable by: OEM historical records or a trade-press announcement

  • The control-system platform and OS era of the 8703 A Lightwave Component Analyzer are not on record.

    Answerable by: an engineer who operated it or OEM installation records

  • No publicly documented failure modes or field errata for the 8703 A Lightwave Component Analyzer are on record.

    Answerable by: a field service engineer, process engineer, or maintenance technician

  • The process node or technology generation of the 8703 A Lightwave Component Analyzer is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

  • No publicly documented compatible parts, consumables, or accessories for the 8703 A Lightwave Component Analyzer are on record.

    Answerable by: an OEM parts catalog or a service engineer

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Sources & citations

Sources (2)Every fact above is drawn from these public sources
  1. [1]Inventory photo
  2. [2]assets.testequity.com — assets.testequity.comassets.testequity.com
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Last updated Oct 6, 2026.

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