The Keysight (formerly Agilent) E9300H is an E-series diode-attenuator-diode average power sensor designed for high-accuracy RF and microwave power measurements. Operating across a broad frequency range from 10 MHz to 18 GHz, it delivers accurate average power measurements of all modulation formats over a wide 80 dB dynamic range (-50 to +30 dBm). Its extremely low SWR minimizes mismatch errors, and built-in EEPROM calibration factors ensure excellent repeatability without manual entries.

Specifications

General

ParameterValue
InterfacesBulkhead connector for E9288 series sensor cables

Physical

ParameterValue
Power SupplyPowered directly from the host power meter via sensor cable
Operating Temperature0 to 55 °C
Dimensions (W×H×D)38 mm × 30 mm × 121 mm
Weight0.18

Measurement Ranges & Power Specifications

ParameterValue
Frequency Range Minimum10 MHz
Frequency Range Maximum18 GHz
Power Measurement Range Minimum-50 dBm
Power Measurement Range Maximum+30 dBm
Dynamic Range80 dB
Maximum Continuous Input Power+33 dBm (average)
Maximum Peak Input Power+33 dBm (<10 microseconds duration)

Sensor Technology & Architecture

ParameterValue
Sensor Detection TypeDiode-attenuator-diode topology
Measurement Modes SupportedAverage power
Modulation IndependenceBandwidth independent, supports all modulation formats

RF Port Characteristics

ParameterValue
Input Impedance50 Ω nominal
RF Connector TypeType-N
Connector SexMale
Maximum SWR (10 MHz to 8 GHz)1.15
Maximum SWR (8 GHz to 12.4 GHz)1.25
Maximum SWR (12.4 GHz to 18 GHz)1.28

Accuracy, Calibration & Noise

ParameterValue
Calibration Factor Storage TypeInternal EEPROM

Meter Compatibility & System Integration

ParameterValue
Compatible Power Meter ModelsKeysight EPM (e.g. E4418, E4419), EPM-P, and P-series

Performance

ParameterValue
Zero Set5 nW
Zero Drift1.5 nW (within 1 hour at constant temperature)
Measurement Noise7 nW
Power Linearity (-50 to -10 dBm)±3.0%
Power Linearity (-10 to +20 dBm)±4.0%
Power Linearity (+20 to +30 dBm)±5.0%
Calibration Uncertainty (at 50 MHz)±1.8% (at 25 °C ± 10 °C)

Environmental

ParameterValue
Storage Temperature Range-55 °C to +75 °C
Operating Humidity95% RH at 40 °C (non-condensing)
Maximum Operating Altitude4,600 m (15,000 ft)
Maximum Storage Altitude15,240 m (50,000 ft)
Vibration SpecificationComplies with MIL-T-28800D, Type III, Class 5
Shock SpecificationComplies with MIL-T-28800D, Type III, Class 5

Sensor Technology

ParameterValue
Sensor TopologyDiode-attenuator-diode

Technology

Diode-attenuator-diode topology

Applications

RF and Microwave Average Power Measurement