Keysight (Agilent HP) N3382A Repair Service

N3382A PNA Network Analyzer, 300 kHz to 6 GHz
Send us your Agilent N3382A Network Analyzer for full repair and calibration. Our veteran-owned lab offers free estimates and quick turnaround.
The Keysight Agilent N3382A vector network analyzer is a member of the PNA Series network analyzer platform and provides the combination of speed and precision for the demanding needs of the component test requirements of today. The PNA Series meets this testing challenge by providing the right combination of fast sweep speeds, wide dynaminc range, low trace noise and flexible connectivity. The N3382A is a three-port network analyzer that offers many optional capabilities to custom fit the analyzer to meet your application requirements. Full three-port error correction ensures outstanding accuracy. Powerful automation and self-help tools make the instrument well suited for both R&D and manufacturing.
n3382a
Any failures or unforeseen issues identified during the calibration phase will be detailed in an estimate submitted for your approval prior to any further action. Repair charges are determined by the actual time and materials required. Please be aware that customers are responsible for all associated shipping costs, to and from our location. This initial estimate is provided free of charge.
N3382A Specifications – click to expand

N3382A Specifications

  • PNA-series vector network analyzer
  • Windows-based with color display, LAN and GPIB interfaces
SpecificationValue
Frequency range300 kHz to 6 GHz
N3382A Options – click to expand

N3382A Options

  • 010, Time Domain
  • 014, Configurable Test Set
  • 1CM, Rack Mount Kit
Agilent / HP N3382A Error Codes – click to expand

Agilent N3382A Error Messages

This N3382A list covers the on-screen errors that matter for repair and the board each one leads to.

N3382A on-screen error messages

MessageMeaning and where to look
PHASE LOCK LOSTThe A11 phase lock board sees too little reference-receiver signal to lock. Cause can be in the source, signal separation (couplers, switch) or receiver path. Check the A10 frequency reference output and the reference receiver first.
SOURCE UNLEVELEDThe source leveling loop is open. On the N3382A start with the A12 source assembly and the A16 test set motherboard.

N3382A failed performance test – likely cause

Failed testWhat it points to
Source power accuracy / linearityRun the source calibration adjustment; if it still fails, the source (A12 source) is suspect.
Source maximum power outputFollow the signal through the separation path (switch, couplers, attenuators) to find the loss.
Frequency accuracyMeasure the rear-panel 10 MHz REF OUT; more than about 10 Hz off calls for the 10 MHz reference adjustment.
Trace noiseRarely fails alone; run the receiver calibration adjustment, then suspect the A6 SPAM board.
Receiver compression / noise floor / dynamic accuracyPoints to the A18–A21 receivers or the A6 SPAM board. Receivers are identical, so swapping two channels confirms a bad one.
Calibration coefficientsTracking terms only: run the receiver calibration adjustment. Any other error term failing means a hardware fault.
System crosstalkLoose RF cable, or isolation loss in the receivers or the receiver/test set motherboard. Tighten all cables and receiver screws first.

SCPI error ranges

RangeClass
−100 to −199Command errors
−200 to −299Execution errors
−300 to −399Device-specific errors
−400 to −499Query errors

Hardware error on your N3382A? Analyzer Repair Inc. repairs and calibrates the Agilent N3382A in-house in Cocoa, Florida. Free estimate once the unit is in our lab. Contact us for service.

Based on the Agilent N3381A/N3382A/N3383A PNA Service Guide (N3381-90001).

Agilent / HP N3382A Replaceable Parts – click to expand

Agilent N3382A Replaceable Assemblies and Part Numbers

Board and RF module part numbers for the Agilent N3382A; exchange numbers are factory-rebuilt units.

ReferenceAssemblyAgilent part numberNotes
A1Keypad assemblyE8356-60001
A2Display assemblyE8356-60002
A3Front panel interface boardE8361-60061
A4Power supply assembly0950-3384
A6SPAM boardE8356-60006
A8Fractional-N synthesizer boardE8356-60008
A10Frequency reference boardE8801-60052Standard; E8356-60010 with Option 1E5
A11Phase lock boardE8356-60011
A12Source assemblyE8803-60062Exchange E8803-69062
A14MotherboardE8356-60014
A15CPU board, 500 MHzE8364-60025
A16Test set motherboardE8801-60064
A17LODAE8801-60053E8801-60051 with Options 1E1 + 014
A18–A21Receiver modules (A, R, C, B)E8356-60018Exchange E8356-69018; 4 required
A22, A23RF switch assembly5087-71372 required
A24–A26Test port couplers (ports 1, 2, 3)5087-70213 required
A2770 dB step attenuator33321-60056Option 1E1
A30Floppy disk drive0950-2782
A31Programmed hard disk driveE8801-60063
B1Fan3160-10853 required

Part obsolete? Many N3382A assemblies are no longer sold new. Analyzer Repair Inc. repairs N3382A boards and RF modules at the component level in Cocoa, Florida. Free estimate once the unit is in our lab. Contact us for service.

From the Agilent N3381A/N3382A/N3383A PNA Service Guide (N3381-90001).

Located in: Network Analyzers