Keysight 8474B Planar-Doped Barrier Diode Detector
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Keysight 8474B is a high-performance planar-doped barrier diode detector covering 0.01 to 18 GHz with ±0.35 dB frequency response.
Product details
| Model | 8474B |
| Manufacturer | Keysight |
| Category | RF & Microwave Test Equipment |
| Availability | Made to order |
Description
Overview
The Keysight 8474B is a high-performance detector utilizing a gallium arsenide planar-doped barrier detecting element. It features extremely flat frequency response across its operating band and excellent frequency response stability versus temperature. The detector is rugged with high resistance to ESD damage.
Key Features
- Frequency Range: 0.01 to 18 GHz
- Frequency Response: ±0.35 dB
- Maximum SWR: <1.3
- Low Level Sensitivity: >0.4 mV/µW
- 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
- Unit-to-unit frequency response tracking: typically better than ±0.3 dB
Applications
- RF power measurement
- Microwave detector element for test equipment
- Signal detection in communications systems
Specifications
| Models | 8474B8474C8474E |
| Frequency Range | 0.01 to 18 GHz0.01 to 33 GHz0.01 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 mW200 mW200 mW |
| Typical Short-Term Maximum Input | 0.75 watt (< 1 min.)0.75 watt (< 1 min.)0.75 watt (< 1 min.) |
| Standard Output Polarity (default) | NegativeNegativeNegative |
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Keysight 8474B Planar-Doped Barrier Diode Detector
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