Keysight 11940A Close Field Probe
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Keysight 11940A close-field probe for measuring magnetic field radiation from surface currents, slots, cables, and ICs with high electric field rejection.
Product details
| Model | 11940A |
| Manufacturer | Keysight |
| Category | Oscilloscope Probes |
| Availability | Made to order |
Description
Overview
The Keysight 11940A is a hand-held close-field probe specially designed to measure magnetic field radiation from surface currents, slots, cables, and ICs for EMC diagnostic and troubleshooting measurements. Its unique design results in a high level of electric field rejection, which significantly reduces measurement errors and allows for calibrated and repeatable measurements.
Key Features
- Measures magnetic field radiation from surface currents, slots, cables and ICs
- High level of electric field rejection for improved measurement accuracy
- Individually calibrated for consistent and repeatable measurements
- Maximum Input Power: 0.5 watts
- VSWR: < 3:1, typical
- Replaceable SMA connector barrel
Applications
- EMC diagnostic and troubleshooting
- Identification and elimination of electromagnetic interference sources
- Surface current and radiation measurements
Included Accessories
- Two-meter RG-223 coaxial cable
- SMA (f) to Type-N (m) adapter
- SMA (f) to BNC (m) adapter
Specifications
| Maximum Input Power | 0.5 W |
| Connector Type | SMA, replaceable barrel |
| VSWR | < 3:1, typical |
| Dielectric Breakdown | ±1 kV, typical |
| Antenna Factor Accuracy | ±2 dB (in 377 ohm field impedance) |
| Operating Temperature | 0°C to +40°C |
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Keysight 11940A Close Field Probe
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