Agilent/Keysight 8447F

The Agilent/Keysight 8447F is a dual-channel RF amplifier combining preamplifier and power amplifier functionality in a single instrument. Engineered with thin-film hybrid integrated circuits, it delivers stable gain across a broad frequency spectrum to enhance measurement system sensitivity, extend dynamic range, and drive high-power loads.

Technical Specifications

• Standard configuration: 0.1 MHz to 1.3 GHz


• With Option H64: 9 kHz to 1.3 GHz


• Channel 1 (Option H64): 9 kHz to 50 MHz


• Channel 2 (Option H64): 100 kHz to 1.3 GHz Gain Performance


• Preamplifier channel: 25 dB minimum (100 kHz to 1.3 GHz) or 26 dB minimum (9 kHz to 50 MHz)


• Power amplifier channel: 22 dB ± 1.5 dB (100 kHz to 1.3 GHz)


• Cascaded gain: Up to 47–48 dB


• Gain flatness: ± 1.5 dB across full frequency range Signal Quality


• Noise figure: 40 dB


• Output power (1 dB compression): ≥ +12.5 dBm (0.1 to 1000 MHz)


• Impedance: 50 Ω Power Requirements


• Input voltage: 110 or 230 V ac ± 10%


• Frequency: 48–440 Hz


• Power consumption: 27 VA maximum

Key Features

• Dual independent channels for simultaneous amplification or cascaded operation


• Low noise figure enables detection of weak signals


• High reverse isolation prevents load pulling and improves measurement accuracy


• Maximum DC voltage tolerance: ± 10 V


• Standard 50 Ω BNC (female) connectors; optional N-type connectors available

Typical Applications

• Expanding dynamic range of network analyzers and RF test systems


• Preamplification of low-level signals in receivers and sensors


• Driver amplification for transmitter and power amplifier testing


• EMC emissions and precompliance testing


• Signal generation systems requiring increased output power

Compatibility & Integration Connector options accommodate various system architectures. Standard BNC configuration interfaces with laboratory instrumentation; optional N-type connectors (Options 010 and 011) support high-frequency cabling requirements. Compact form factor integrates into benchtop and automated test setups.