Advantest TR4131E
The Advantest TR4131E is a spectrum analyzer used for measuring the magnitude of an input signal versus frequency within the full frequency range of the instrument. It is used to analyze the spectral composition of electronic signals.
- Model
- Advantest TR4131E
- Calibration
- Available on request
- Price
- $1,579
- RFQ ref
- TR4131E
This unit
The Advantest TR4131E is a microcomputer-controlled spectrum analyzer for RF and signal analysis spanning 10 kHz to 3.5 GHz. Built around a CRT display and engineered for field strength measurements, occupied bandwidth analysis, and CISPR-compliant quasipeak detection, it delivers precision spectral characterization across defense, communications, and EMC testing workflows.
Technical Specifications
Frequency Range: 10 kHz to 3.5 GHz Resolution Bandwidth: 1 MHz to 1 kHz; 1 Hz to 3 MHz Dynamic Range: 70–100 dB depending on measurement mode Amplitude Measurement: 0.05 dB marker resolution; ±0.5 dB accuracy Phase Noise: < -100 dBc/Hz @ 10 kHz offset Input Impedance: 50 Ω (standard); 0.75 Ω (R4131D/DN variant) Input Power Range: -20 dBm to +30 dBm Maximum Input Sensitivity: -116 dBm Skirt Selectivity: -80 dBc or better Sweep Time: 1 ms to 1000 s; user-selectable or automatic via AUTO feature Operating Temperature: 0°C to +50°C Power Consumption: 125 VA maximum at 48–66 Hz Weight: 10 kgKey Features
- Independent tuning of center frequency, frequency span, and reference level
- AUTO feature automatically configures resolution bandwidth, sweep time, and input attenuation
- SAVE/RECALL memory stores up to three complete measurement setups and waveforms
- Post Peak and Posi/Neg display modes for signal capture optimization
- Antenna calibration factor compensation for field strength measurements
- Quasipeak detection conforming to CISPR standards (optional on TR4131E; standard on TR4131/M)
- Automatic Frequency Control (AFC) in 'B'-type and R4131D variants ensures frequency stability
- Direct plotter output and video display interface for external documentation
Typical Applications RF component characterization, electromagnetic compliance testing, spectrum monitoring, and signal integrity validation in communications and defense environments.
Compatibility & Integration GPIB control (standard on TR4131/M; optional on TR4131E) enables integration into automated measurement systems. Video output and plotter interfaces support direct waveform recording.
Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 10 kHz to 3.5 GHz | Power Range (dBm): '-20 dBm to +30 dBm input |
| -116 dBm maximum sensitivity | Voltage / Current Range | 125 VA max, 48-66 Hz |
Advantest TR4131E — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the Advantest TR4131E. All calibrations are performed to NIST-traceable standards and ship with a certificate. Turnaround is typically 1–3 business days after receipt.
Advantest TR4131E price
This Advantest TR4131E is listed at $1,579. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
Advantest TR4131E calibration cost
NIST-traceable calibration for the Advantest TR4131E is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Turnaround is 1 to 3 business days after receipt. See full calibration details →
