Keysight 11947A Transient Limiter | 9 kHz – 200 MHz

The Keysight 11947A Transient Limiter is a unidirectional transient limited for use from 9 kHz to 200 MHz. This device is designed with a diode limiter, 10 dB attenuator, and a high-pass filter integrated into the 50Ω impedance line. These features together create robust protection again accidental overloads and input circuitry.

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Model	11947A
Frequency Range	9 kHz – 200 MHz
Insertion Loss	10 dB
Maximum Input Level	Continuous: 2.5 W (+34 dBm)
	Pulse: 10 kW for 10 µS,
	DC: ±12 V
Impedance	50Ω
Connectors	Input: BNC (Female) Output: Type N (Male)