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Keysight Technologies 8474B

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Planar-Doped Barrier Diode Detector, 0.01 to 18 GHz

Model

8474B

Product Family

RF & Microwave Power

Manufacturer

Keysight Technologies

Configured models contain the following attributes:

RF & Microwave PowerNoise & OtherMicrowave Accessories

Configurations

Key Specs

Product Overview

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Product Overview

The Keysight 8474B is a high-performance detector using a gallium arsenide, planar-doped barrier detecting element. It features extremely flat frequency response over its entire band of operation and very good frequency response stability versus temperature. The Keysight 8474B is also very rugged with high resistance to ESD damage. The Keysight 8474B detectors are available with 0.01 to 18 GHz and a type-N connector. This detector offers options for optimal square-law loads (Option 102) and for positive polarity output (Option 103). Because the unit-to-unit frequency response tracking of these devices is typically better than plus or minus 0.3 dB, no matched response option is offered.

Key Features:

Frequency Response: ± 0.35 dB
Maximum SWR: 1.3
Low Level Sensitivity: > 0.4 mV/uW
Maximum Operating Input Power: 200 mW
Typical Short-term Maximum Input Power (< 1 minute): 1 W
Output Polarity: Negative
Input Connector: Type-N male
Output Connector: BNC female

Specifications
Planar-Doped Barrier Diode Detector
Models	8474B	8474C	8474E
Frequency Range	0.01 to 18 GHz	0.01 to 33 GHz	0.01 to 50 GHz
Frequency Response	± 0.35 dB	± 0.45 dB from 0.01 to 26.5 GHz ± 0.7 dB from 26.5 to 33 GHz	± 0.4 dB from 0.01 to 26.5 GHz ± 0.6 dB from 26.5 to 40 GHz ± 1.0 dB from 40 to 50 GHz
SWR	< 1.3	< 1.4 .01 to 26.5 GHz < 2.2 26.5 to 33 GHz	< 1.2 .01 to 26.5 GHz < 1.6 26.5 to 40 GHz < 2.8 40 to 50 GHz
Low-Level Sensitivity	> 0.4 mV/µW	> 0.4 mV/µW	> 0.4 mV/µW > 0.34 mV/µW 40 to 50 GHz
Maximum Operating Inputs	200 mW	200 mW	200 mW
Typical Short-Term Maximum Input	0.75 watt (< 1 min.)	0.75 watt (< 1 min.)	0.75 watt (< 1 min.)
Noise (µV peak-to-peak with CW power applied to produce 100 MV output, 400 kHz BW)	< 50 µV	< 50 µV	< 50 µV
Standard Output Polarity (default)	Negative	Negative	Negative

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