The Keysight M9383A is a PXIe modular microwave signal generator delivering 1 MHz to 44 GHz frequency coverage with configurable frequency options up to 44 GHz. This instrument provides 19 dBm output power at 1 GHz, with high-power and booster amplifier options available for 20 to 40 GHz operation. The M9383A supports RF modulation bandwidths up to 1 GHz internally and exceeding 2 GHz with external I/Q inputs, enabling complex vector modulation, pulse generation, and AM/FM/phase modulation across multiple configurations. Frequency switching executes in 250 µs with phase noise of -118 dBc/Hz at 10 kHz offset (1 GHz). The instrument integrates within PXIe chassis alongside complementary test instruments, utilizing VCO or VCO+DDS synthesizer architectures with optional waveform memory up to 1024 MSa and integrated 10/100 MHz frequency reference capability.
Technical Specifications
Frequency Performance
• Frequency range: 1 MHz to 44 GHz
• Configurable options: 14 GHz, 20 GHz, 31.8 GHz, 44 GHz
• Frequency switching speed: 250 µs
• Phase noise at 1 GHz (10 kHz offset): -118 dBc/Hz
• Phase noise at 1 GHz (20 kHz offset): -118 dBc/Hz
• Harmonics at 1 GHz: -46 dBc
• Non-harmonics at 1 GHz: -45 dBc
Output Power
• Output power at 1 GHz: 19 dBm
• High-power option: M9383A-1EA
• Booster amplifier option: M9383A-1EB (20 to 40 GHz)
Modulation Capability
• Internal RF modulation bandwidth: Up to 1 GHz
• External RF modulation bandwidth: Over 2 GHz
• Internal AWG bandwidth options: 40 MHz, 160 MHz, 500 MHz, 1 GHz
• Vector modulation: Available (M9383A-B04 for 40 MHz)
• Pulse modulation: 30 ns (M9383A-PM1) and <25 ns (M9383A-PM2)
• AM/FM/phase modulation: M9383A-UNT
• Pulse train generator: M9383A-320
Memory & Synthesis
• Waveform memory options: 32 MSa, 512 MSa, 1024 MSa
• Synthesizer architectures: VCO (ST2) or VCO+DDS (ST4)
– Key Features
• Single RF output with differential external I/Q input capability (M9383A-016)
• Integrated frequency reference option: 10 MHz and 100 MHz (M9383A-300)
• Compatible with external M9300A PXIe frequency reference
– Compatibility & Integration
Operates as a PXIe module within Keysight chassis (M9010A 10-slot or M9019A 18-slot) with embedded controllers (M9035A, M9037A, M9038A) or external PC control via PCIe host adapter.

















