The Giga-tronics 2540B Microwave Signal Generator is a high-performance CW and swept frequency signal source covering 2 GHz to 40 GHz (100 kHz to 40 GHz with Option 18). It utilizes Advanced Synthesizer Technology to deliver ultra-low phase noise, high signal purity, and fast frequency switching speed. Designed for demanding automated test systems (ATE) and applications requiring clean signals, it features a full suite of analog and pulse modulation capabilities, high time base stability, and comprehensive remote programming via GPIB or Ethernet LAN.

Specifications

Frequency

ParameterValue
Minimum Frequency2 GHz (100 kHz with Option 18)
Maximum Frequency40 GHz
Frequency Resolution0.001 Hz

Output

ParameterValue
Phase Noise-109 dBc/Hz @ 10 kHz and 100 kHz offsets (10 GHz carrier)

Modulation

ParameterValue
ModulationAM, FM, Phase Modulation, Pulse Modulation

General

ParameterValue
Reference Oscillator10 MHz
InterfacesGPIB (IEEE-488), Ethernet LAN

Frequency Specifications

ParameterValue
Standard Frequency Range2 GHz to 40 GHz
Low Frequency Extension (Option 18)100 kHz to 2 GHz
Fast Frequency Switching SpeedAvailable (Option 29)

Spectral Purity

ParameterValue
SSB Phase Noise (100 Hz offset)-77 dBc/Hz @ 10 GHz carrier
SSB Phase Noise (1 kHz offset)-96 dBc/Hz @ 10 GHz carrier
SSB Phase Noise (10 kHz offset)-109 dBc/Hz @ 10 GHz carrier
SSB Phase Noise (100 kHz offset)-109 dBc/Hz @ 10 GHz carrier
Ultra-Low Close-in Phase NoiseAvailable (Option 28)

Analog Modulation

ParameterValue
Internal and External Modulation SuiteAvailable (Option 17A, includes internal function generator)
External Modulation SuiteAvailable (Option 17B)

Output Power and Level Specifications

ParameterValue
High RF Output PowerAvailable (Option 20)
Step Attenuator Range90 dB Mechanical Step Attenuator (Option 26C)

Inputs, Outputs and Connectivity

ParameterValue
Remote Control InterfacesGPIB (IEEE-488), Ethernet LAN
Rear Panel RF Output ConnectorAvailable (Option 22)

Physical Specifications

ParameterValue
Blank Front PanelAvailable (Option 44, requires Option 22)
Rack Mount KitRack Slide Kit (Option 46)

Software and Control

ParameterValue
Included Automation SoftwareSpanawave / Giga-tronics Automation Xpress
Software FeaturesPlug-and-play driver, soft front panels, Command-Line interpreter with script/loop capability, GPIB traffic monitoring

Amplitude

ParameterValue
Amplitude Resolution0.01 dB

Inputs & Outputs

ParameterValue
RF Output Connector Type2.92 mm (female)
External Reference Input Frequency10 MHz
Reference Output Frequency10 MHz

Technology

Advanced Synthesizer Technology

Applications

Automated Test Systems (ATE), Radar and EW testing, and general purpose applications requiring ultra-low phase noise and high signal purity.