The Rohde & Schwarz SML01 is a synthesized signal generator covering 9 kHz to 1.1 GHz, delivering high-purity RF signals for research, development, service, and production environments. It combines precise frequency synthesis, wide dynamic range output control, and versatile modulation to support automated test systems and bench-top applications requiring fast settling and low phase noise.
Technical Specifications
Frequency Range & Resolution
• 9 kHz to 1.1 GHz fundamental range
• Frequency resolution: 0.1 Hz
• Synthesis resolution: <0.5 µHz
Output Level
• Maximum: +13 dBm
• Minimum: -140 dBm
• Level accuracy: <0.5 dB deviation above -120 dBm
• Dynamic range: ~30 dB for non-interrupting level variation (Fixed Attenuator Mode)
Signal Purity
• SSB phase noise: -128 dBc (1 Hz) at 1 GHz, 20 kHz offset
• Broadband noise: typically -150 dBc (1 Hz)
• Extended Divider Range mode provides performance comparable to high-grade crystal oscillators
Switching Performance
• Frequency and level setting times: <10 ms
• Electronic attenuator enables interruption-free level adjustment without overshoots
– Key Features
• AM, FM, and phase modulation with simultaneous AM + FM/φM capability
• DC-coupled FM operation allows use as accurate VCO
• Optional pulse modulator with integrated pulse generator
• Optional Stereo Coder (SML-B5) supporting analog and digital audio inputs for AM/FM applications (Stereo ARI RDS)
• Built-in LF generator for sinusoidal test signals at fixed frequencies
• Digital frequency and level sweep functions
• Wear-free electronic attenuator for high reliability and extended service intervals
• 3-year calibration cycle
– Typical Applications
• Component and receiver testing in manufacturing
• R&D signal source for modulation studies
• Service and troubleshooting of RF equipment
• Automated test system integration requiring fast reconfiguration
– Compatibility & Integration
• GPIB and RS-232 remote control interfaces
• Full IEC/IEEE bus command compatibility
• Optional rear connectors for AF and RF signals (B19 option)
• Optional Stereo/RDS Coder with separate left/right analog inputs and S/P DIF digital audio input
