Agilent
E 4425 B ESG AP Series Signal
Plate 01Agilent Hewlett Packard HP E4425B ESG-AP Series 250 kHz - 3.0 GHz Signal Generator
DennLecWatch on YouTubePlate 02Agilent Keysight E4425B ESG AP Analog RF Signal Generator
TestEquipmentConnectWatch on YouTube
What is it?
Why won't it start?
Documented failure modes, common issues, and field considerations.
- Faulty attenuator
What do the numbers mean?
Power & electrical1
- 250 kHz - 3.0 GHz[1]
Configuration & options12
- Unit tested in good working condition[1]
- No loaded options[1]
- Oscilloscope test equipment available separately[1]
- Installed Boards:[1]
- MG Output Board E4423-60022[1]
- MG Sampler Board E4423-60020[1]
- MG Synth Board E4423-60019[1]
- MG Reference Board E4423-60018[1]
- MG YIG Driver Board E4423-60024[1]
- Mother Board E4423-60035[1]
- Unit tested and has a faulty attenuator[2]
- Unit sold as-is[2]
What does it need to run?
Site utility requirements, footprint, and infrastructure needed to install and operate this tool. Sourced from public records.
- Configuration250 kHz - 3.0 GHz[1]
Where are the manuals?
Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.
Not publicly documented
Field notes
No research found yet — worked with this tool? Share what you know.
Not publicly documented
The following facts about the E 4425 B ESG AP Series Signal 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 E 4425 B ESG AP Series Signal are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the E 4425 B ESG AP Series Signal are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the E 4425 B ESG AP Series Signal are not on record.
Answerable by: an engineer who operated it or OEM installation records
The process node or technology generation of the E 4425 B ESG AP Series Signal is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the E 4425 B ESG AP Series Signal are on record.
Answerable by: an OEM parts catalog or a service engineer
Sources & citations
Sources (2)Every fact above is drawn from these public sources
- [1]Inventory photo
- [2]Inventory photo
Last updated Jul 29, 2026.
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