Signal generator LSX1491B

microwaveRFsingle-channel

Overview
The Lucid-X family offers a compact, modular microwave signal generator platform in multiple form factors (Desktop, PXIe, Benchtop, Rackmount, Portable). The LSX1491B is a 14 GHz single-channel benchtop instrument optimized for low phase noise, high spectral purity and fast programmable modulation and switching for test and simulation applications.

Key highlights

• Form factors: Desktop, PXIe module, Benchtop, Rackmount, Portable
• Frequency: up to 14 GHz for model LSX1491B (family coverage up to 40 GHz)
• Fast switching: 10 μs standard (UFS ultra-fast 10 μs option for selected models)
• Coherent multi-channel support across the Lucid-X family
• Modulation: AM, FM, PM, Sweep and Pulse
• Interfaces: LAN, USB, SPI with SCPI/VISA compatibility

Product summary (page)
The LSX1491B is a 14 GHz single-channel microwave benchtop signal generator in the Lucid-X family, providing low phase noise, high spectral purity and fast deterministic frequency switching for automated test, radar and communications simulation.

Features (detailed)

• Control and programming: SCPI/VISA standard for remote control via LAN/USB; programmable from Python, MATLAB, C#/C++, LabVIEW; virtual front panel GUI included.
• Signal integrity and purity: Extremely low phase noise across the band; example phase noise at 10 kHz offset: -148 dBc/Hz @100 MHz, -133 dBc/Hz @1 GHz, -114 dBc/Hz @10 GHz. Harmonics typically -50 dBc; non-harmonics typically -90 dBc.
• Analog and pulse modulation: Built-in AM, FM, PM, sweep and pulse modulation. FM: deviations up to 10 MHz, rates to 1 MHz. AM: linear depth to 90%, rates to 100 kHz. PM: peak deviation up to 360°. Pulse modulation: on/off ratio ~70 dB; rise/fall times <15 ns.
• Fast frequency switching: 10 μs switching to support frequency hopping, radar/EW simulation and high-throughput automated testing. Ultra-fast switching (UFS) option available.
• Interfaces: LAN, USB, SPI and SPI/micro-USB for embedded control; SCPI/VISA remote commands and virtual front panel GUI.

Ordering info (excerpt)
Model | Description
LSX1491B | 14 GHz Single Channel Microwave Benchtop Signal Generator

Options (excerpt)
Examples of options and codes:
MOD – Modulation package (AM, FM, PM)
LP – Low power option -70 dBm (included on some platforms)
ELP1 / ELP2 – Extended low power ranges
EPR1 / EPR2 – Extended power ranges (per channel to -130 dBm to +27 dBm)
PLS – Pulse modulation option
PAT – Pattern modulation option
FS – Fast switching 100 μs
UFS – Ultra-fast switching 10 μs
BAT / BAT2 – Replaceable battery options (portable models)
W-RACK – Rack-mount kit
WE – 1-year warranty extension (standard warranty 3 years)

Applications & use cases

• Local oscillator and STALO for radar systems
• Electronic warfare development and frequency-hopping threat simulation
• Communications test for analog and digital modulation
• DAC/ADC clocking, intermodulation and distortion testing
• Quantum control and synchronized multi-channel experiments

Technical specifications

• Model: LSX1491B — 14 GHz single-channel benchtop
• Family: Lucid-X (LSX) microwave signal generators
• Typical phase noise: -148 dBc/Hz @100 MHz (10 kHz offset); -133 dBc/Hz @1 GHz (10 kHz offset); -114 dBc/Hz @10 GHz (10 kHz offset)
• Harmonics: typically -50 dBc; non-harmonics: typically -90 dBc
• Frequency switching: 10 μs (ultra-fast option available)
• FM: deviations up to 10 MHz; FM rate up to 1 MHz
• AM: linear depth up to 90%; AM rate up to 100 kHz
• PM: peak deviation up to 360°
• Pulse modulation: on/off ratio typically 70 dB; rise/fall times <15 ns
• Interfaces: LAN, USB, SPI; SCPI/VISA control; virtual front panel GUI
• Supported form factors: Desktop, Benchtop, Rack, PXIe module, Portable
• Max family frequency coverage: up to 40 GHz