The Rohde & Schwarz SMIQ 03E is a vector signal generator spanning 300 kHz to 3.3 GHz, designed for production environments with an attractive price-to-performance ratio. This unit generates high-precision digital and analog modulation signals, equipped with options B1, B10, and B11 to support advanced modulation and data generation capabilities.
Technical Specifications
Frequency Range:
• 300 kHz to 3.3 GHz
Digital Modulation:
• Maximum symbol rate: 7 Msymbol/s
• Supported modes with Option B10: GFSK, GMSK, π/4 DQPSK
• Digital mobile radio standards with Options B10 and B11: PHS, NADC, PDC, GSM (IS-95 CDMA requires additional Option B42)
Analog Modulation:
• FM/ΦM with modulation frequency range DC to 8 MHz
• Maximum FM deviation: 5 to 20 MHz
• Simultaneous analog and digital modulation supported
Output Performance:
• Output level accuracy: <0.5 dB (typical)
• Frequency setting time: <3 ms (without mechanical attenuator switching)
• Level setting time: <2.5 ms
• Frequency hopping speed: 500 µs
• Spectral purity: −130 dBc (1 Hz) at 1 GHz, 20 kHz carrier offset
Power Supply:
• 90 to 132 V / 180 to 265 V (auto-switching), 47 to 440 Hz
• Maximum power consumption: 300 VA
– Key Features
Options and Enhancements:
• Option B1: OCXO Reference Oscillator for enhanced frequency stability
• Option B10: Modulation Coder enabling digital modulation (GFSK, GMSK, π/4 DQPSK)
• Option B11: Internal Data Generator with 4 Mbit memory for modulation data, envelope control, and trigger signals
I/Q Modulation Architecture:
High-grade I/Q modulator delivering minimum error vector magnitude and high intermodulation suppression.
– Physical and Interface Specifications
• Dimensions: 435 mm (W) × 192 mm (H) × 460 mm (D)
• Weight: Approximately 25 kg (fully equipped)
• Remote Control: IEC 625 (IEEE 488) compatible
• Command Set: SCPI 1993.0 compliant
– Typical Applications
Designed for development and type-approval testing of communication systems, RF components, and modules. The SMIQ03E economy model is optimized for production environments where cost efficiency and performance balance are critical.
