The Rohde & Schwarz SMIQ06B is a precision signal generator spanning 300 kHz to 6.4 GHz, engineered for RF and microwave component characterization, signal simulation, and automated test systems. It delivers calibrated output from −144 dBm to +13 dBm with 0.1 Hz frequency resolution and sub-3 ms settling time, meeting stringent requirements in development and production environments.
Technical Specifications
Frequency Performance
• Frequency range: 300 kHz to 6.4 GHz
• Resolution: 0.1 Hz
• Frequency error: <(1×10⁻⁴ of setting + 0.012 Hz)
• Modulation frequency ranges: AM (DC to 50 kHz), FM (DC to 2 MHz), phase modulation (DC to 100 kHz)
RF Output
• Output level: −144 dBm to +13 dBm
• Output impedance: 50 Ω
• VSWR: <2
• Carrier leakage: <−45 dBc (typical)
• RF settling time: 5 MHz offset): −136 dBc to −144 dBc typical across 20 MHz to 6.4 GHz
• Adjacent channel power: −35 dBc (adjacent), −75 dBc (1st alternate), −78 dBc (2nd alternate)
Modulation
• Standard modes: AM, Pulse, IQ, Analog, Digital, Vector Modulation, Wideband AM
• Optional modes: FM, Phase modulation, FSK, PSK, QAM, DECT, GSM EDGE, PDC, PHS, NADC, TETRA, ASK, BPSK, GMSK, C4FM, QPSK, CDMA, WCDMA
• Modulation response: <3 dB
• Static error vector magnitude: <1%
• I/Q impairments: gain imbalance 0.5%, quad error ±12%, timing error ±10°
Audio Generator
• AF frequency range: 0.1 Hz to 1 MHz
• Distortion (to 100 kHz): <0.2%
• Output voltage: 1 mV to 4 V peak
– Key Features
• User-programmable RF, AF, and level sweeps with step sweep capability
• Three user-selectable markers with TTL output (selectable polarity)
• Sub-3 ms frequency switching enables rapid sequenced testing
• Exceptional phase noise and broadband noise floors support sensitive receiver validation
– Typical Applications
• Component and receiver testing across cellular, microwave, and satellite bands
• Signal simulation for wireless standards (GSM, WCDMA, TETRA, DECT)
• Automated production and validation test systems
• RF subsystem characterization and troubleshooting


















