Keysight 11947A Transient Limiter
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Keysight 11947A transient limiter protects spectrum analyzer inputs from high-level transients during EMI testing, covering 9 kHz to 200 MHz.
Product details
| Model | 11947A |
| Manufacturer | Keysight |
| Category | Spectrum Analyzers |
| Availability | Made to order |
Description
Overview
The Keysight 11947A is a transient limiter designed to protect spectrum analyzer inputs from damage caused by high-level transients that can occur during EMI testing. It is particularly useful when testing conducted emissions using line impedance stabilization networks (LISNs), where transient spikes can damage sensitive test equipment.
Key Features
- Protects spectrum analyzer input from high-level transient damage
- Frequency range: 9 kHz to 200 MHz
- Insertion loss: 10 dB
- Maximum continuous input: 2.5 W (+34 dBm)
- Maximum pulse input: 10 kW for 10 µs
- DC voltage protection: ±12 V
Applications
- EMI conducted emissions testing
- LISN transient protection
- Spectrum analyzer input protection
Specifications
| Frequency Range | 9 kHz to 200 MHz |
| Insertion Loss | 10 dB |
| Maximum Continuous Input Power | 2.5 W (+34 dBm) |
| Maximum Pulse Input Power | 10 kW for 10 µs |
| DC Voltage Protection | ±12 V |
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Keysight 11947A Transient Limiter
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