The Rohde & Schwarz SML01 is a compact signal generator delivering precision RF signal generation across 9 kHz to 1.1 GHz with output power spanning -140 dBm to +13 dBm. Built for development, service, and production testing, it combines low phase noise, rapid frequency settling, and flexible modulation capabilities in a 19-inch rack-mountable 2 HU form factor.
Technical Specifications
• Frequency Range: 9 kHz to 1.1 GHz
• Frequency Resolution: 0.1 Hz
• Output Power Range: -140 dBm to +13 dBm
• Output Level Resolution: 0.01 dB
• Level Accuracy: ±0.5 dB deviation at levels >-120 dBm
• SSB Phase Noise: <-128 dBc (1 Hz) at f = 1 GHz, Δf = 20 kHz
• Broadband Noise: typ. -128 dBc (1 Hz) at f = 1 GHz
• Residual FM: typ. 3 Hz rms at f = 1 GHz
• Residual AM: <0.02% rms (0.03 kHz to 20 kHz)
• Frequency Setting Time: <10 ms
• Internal LF Generator: 0.1 Hz to 1 MHz
• Spurious Suppression: Non-harmonics <-30 dBc; subharmonics 1.1 GHz)
• Electronic Attenuator: Interruption-free level setting
• Dimensions: 19″ rack-mountable, 88 mm height (2 HU)
– Key Features
• Selectable frequency generation modes including Extended Divider Range operation
• AM, FM, and phase modulation (φM) standard
• Digital frequency and level sweep capability
• GPIB and RS-232 interfaces for remote control and automated test integration
• Electronic attenuator eliminates switching artifacts during level changes
– Modulation & Options
• Optional pulse modulation with integrated pulse generator (SML-B3)
• Optional stereo coder with analog and digital audio inputs (SML-B5)
• Optional OCXO reference oscillator for enhanced frequency accuracy (SML-B1)
– Typical Applications
Radio receiver alignment and characterization, RF filter and amplifier testing, communication system development, and automated production test environments requiring stable, low-noise stimulus signals.
