The Rohde & Schwarz SMA100A is a 6 GHz signal generator engineered for high-purity signal generation across aerospace, defense, communications, and R&D applications. It delivers exceptional phase noise performance, flexible modulation capabilities, and rapid frequency/level switching in a compact 2U form factor.
Technical Specifications
Frequency & Power
• Frequency range: 9 kHz to 6 GHz
• Output power: up to +18 dBm standard; overrange to +28 dBm in high-power mode
• Level setting range: −145 dBm to +13 dBm (≤3 GHz); −145 dBm to +9 dBm (>3 GHz)
Signal Purity
• SSB phase noise: −141 dBc typical at 1 GHz (20 kHz offset, 1 Hz BW)
• Harmonic suppression: <−96 dBc (f 10 kHz offset)
• Wideband noise: −160 to −162 dBc at 1 GHz (>40 MHz offset, 9 dBm level)
Frequency Stability & Switching
• High-stability reference oscillator standard
• Frequency setting: <700 μs typical; <450 μs in List mode
• Fast Hopping mode with flexible frequency/level pair addressing
• Direct DDS access: 80 dB on/off ratio (>100 dB typical for f <5.5 GHz); <7−10 ns rise/fall
• Optional multifunction generator to 10 MHz; optional chirp and I/Q modulation (160 MHz BW)
• Internal LF generator to 1 MHz with multiple waveforms
– Key Features
• Integrated pulse generator (10 ns minimum pulse width optional)
• Optional clock synthesizer: low-jitter signals to 1.5 GHz differential output
• Electronic attenuator with overvoltage protection
• Optional VOR/ILS and DME modulation/analysis
– Typical Applications
Aerospace and defense system testing, RF communications development, microwave component characterization, radar and navigation system validation.
– Compatibility & Integration
GPIB, LAN, USB remote control. SCPI or legacy command emulation. Direct support for R&S NRP-Zxx power sensors. Browser and VNC remote operation.


















