The Keysight (formerly Agilent/HP) 8664A is a high-performance synthesized RF signal generator designed for stringent receiver testing up to 3.0 GHz. It offers excellent spectral purity, making it ideal for out-of-channel receiver testing and as a low-jitter clock source, particularly when equipped with the low-noise enhancement option. It features standard AM and FM modulation with wide bandwidths, and supports radar testing applications with its optional internal pulse modulation.

Specifications

Frequency

ParameterValue
Minimum Frequency100 kHz
Maximum Frequency3 GHz
Frequency Resolution0.01 Hz

Output

ParameterValue
Phase Noise<-140 dBc/Hz (typical @ 20 kHz offset, 1 GHz carrier, with Option 004)

Modulation

ParameterValue
ModulationAM, FM, Pulse (with Option 008)

General

ParameterValue
Reference Oscillator10 MHz
InterfacesHP-IB (IEEE-488)

Spectral Purity

ParameterValue
Non-harmonics (Spurious)<-100 dBc (to 2 GHz)
Harmonics< -30 dBc

Frequency Modulation (FM)

ParameterValue
FM RateUp to 2 MHz

Pulse Modulation

ParameterValue
Pulse Width50 ns to 999 ms (internally adjustable, with Option 008)
Pulse Delay50 ns to 999 ms (internally adjustable, with Option 008)

Options and Configurations

ParameterValue
Enhanced Phase Noise OptionOption 004
Pulse Modulation OptionOption 008

Amplitude

ParameterValue
Amplitude Resolution0.1 dB

Amplitude Modulation

ParameterValue
AM RateDC to 100 kHz

RF Output

ParameterValue
Output Impedance50 Ω
RF Output ConnectorType-N female

Environmental

ParameterValue
Operating Temperature0 °C to +55 °C

Technology

Synthesized RF Signal Generator

Applications

Receiver testing, out-of-channel receiver testing, low-jitter clock source, radar testing, high-speed digital communications