The Keysight (formerly Agilent) E7402A is an EMC precompliance spectrum analyzer in the E7400 A-Series, designed to provide fast, accurate, and cost-effective electromagnetic interference (EMI) diagnostics and measurements. Covering a frequency range from 9 kHz to 3.0 GHz (extendable down to 100 Hz), the E7402A features built-in preamplifiers, CISPR-compliant resolution bandwidths, and dedicated detectors for comprehensive radiated and conducted emission testing.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488), RS-232, Parallel (Centronics), VGA Monitor Output |
| Display | 16.8 cm (6.6 in) TFT Color LCD, 640 x 480 resolution |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 90 to 132 V rms (47 to 440 Hz), 195 to 250 V rms (47 to 66 Hz), < 300 W power consumption |
| Operating Temperature | 0 °C to +55 °C |
| Dimensions (W×H×D) | 373 mm × 222 mm × 409 mm |
| Weight | 17.1 kg |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 9 kHz to 3.0 GHz (100 Hz to 3.0 GHz with Option UKB) |
| Warm-up Time | 5 minutes |
| Frequency Reference Accuracy | ±2 x 10^-6 / year (standard); ±1 x 10^-7 / year (with Option 1D5) |
| Frequency Span Range | 0 Hz (zero span), 100 Hz to 3.0 GHz |
Resolution & Video Bandwidth (RBW/VBW)
| Parameter | Value |
|---|---|
| Resolution Bandwidths (3 dB) | 1 kHz to 5 MHz in 1-3-10 sequence (10 Hz to 300 Hz with Option 1DR) |
| EMI Bandwidths (6 dB) | 200 Hz, 9 kHz, 120 kHz, 1 MHz (CISPR 16-1 compliant) |
| Video Bandwidths (VBW) | 10 Hz to 3 MHz (1 Hz to 3 MHz with Option 1DR) |
Amplitude & Sensitivity Specifications
| Parameter | Value |
|---|---|
| Maximum Safe RF Input Level | +30 dBm (1 W) with ≥ 15 dB input attenuation |
| Input Attenuator Range | 0 to 60 dB in 5 dB steps |
| Amplitude Measurement Range | DANL to +30 dBm |
Measurement Capabilities & Detectors
| Parameter | Value |
|---|---|
| Detector Modes | Peak, Negative Peak, Sample, RMS, Average, Quasi-Peak, EMI Average |
| Amplitude Corrections | Antenna, Cable, LISN, and User-defined Correction Factors |
| Limit Lines | Multi-limit testing with Margin visual/audible alarms |
| AM/FM Demodulation | Standard, with built-in speaker and headphone jack |
Inputs, Outputs & Interfaces
| Parameter | Value |
|---|---|
| RF Input Connector | Type-N female, 50 ohms nominal |
| Calibration Output (Cal Out) | 50 MHz, -20 dBm (nominal), BNC female |
System & Data Storage
| Parameter | Value |
|---|---|
| Removable Media Drive | 3.5 inch, 1.44 MB floppy disk drive |
| Programming Language Support | SCPI and IVI COM driver |
| Software Compatibility | Keysight E7415A EMI measurement software, Benchlink Web Remote |
Options and Accessories
| Parameter | Value |
|---|---|
| Built-in Preamplifier | Standard (1 MHz to 3.0 GHz) |
| Tracking Generator Option | Option 1DN (50 ohms, 9 kHz to 1.5 GHz) |
| Time-Gated Spectrum Analysis Option | Option 1D6 |
Environmental and Compliance
| Parameter | Value |
|---|---|
| Storage Temperature | -40 °C to +75 °C |
Sweep
| Parameter | Value |
|---|---|
| Sweep Time (Span > 0 Hz) | 1 ms to 4000 s |
| Sweep Time (Zero Span) | 12.5 µs to 6000 s |
Noise & Distortion
| Parameter | Value |
|---|---|
| Second Harmonic Distortion | <-75 dBc (+45 dBm SHI) for 10 MHz to 1.5 GHz (with -30 dBm at mixer) |
Amplitude Accuracy
| Parameter | Value |
|---|---|
| Absolute Amplitude Accuracy | ±0.4 dB (at 50 MHz) |
Power
| Parameter | Value |
|---|---|
| Power Consumption | < 150 W |
Storage
| Parameter | Value |
|---|---|
| Internal Storage Capacity | Up to 200 states or traces |
Frequency
| Parameter | Value |
|---|---|
| Low Frequency Extension (Option UKB) | Down to 100 Hz |
| Standard Resolution Bandwidths (3 dB) | 1 kHz to 5 MHz (in 1-3-10 sequence) |
| Optional Narrow Resolution Bandwidths (Option 1DR) | 10 Hz, 30 Hz, 100 Hz, 300 Hz |
Amplitude & Sensitivity
| Parameter | Value |
|---|---|
| Input Impedance (Standard) | 50 ohms |
| Input Impedance (Option 1DP) | 75 ohms |
| Reference Level Range | -149.9 dBm to +30 dBm |
| Calibration Output Frequency | 50 MHz |
| Calibration Output Level | -20 dBm |
Inputs & Outputs
| Parameter | Value |
|---|---|
| Standard Remote Interfaces | GPIB, RS-232, Parallel (Centronics) |
| VGA Monitor Output | 15-pin D-sub, VGA compatible |
Tracking Generator
| Parameter | Value |
|---|---|
| Tracking Generator Frequency Range (Option 1DN) | 9 kHz to 3.0 GHz |
Environmental
| Parameter | Value |
|---|---|
| Operating Humidity | Up to 95% RH (non-condensing) |
Technology
Superheterodyne Spectrum Analyzer / EMI Receiver
Applications
EMI/EMC Precompliance Testing & RF Diagnostics