The Rohde & Schwarz ZVM is a four-channel vector network analyzer spanning 10 Hz to 20 GHz, engineered for precision S-parameter characterization and complex device measurements. Its integrated generator feeds two reference channels and two receiver channels via a bidirectional test set, enabling direct access to all signal paths. This architecture excels at frequency-converting DUT analysis, nonlinear measurements, and applications requiring exceptional selectivity. Fundamental mixing throughout the receiver chain delivers dynamic range exceeding 115 dB (at 10 Hz bandwidth) and inherent noise below −110 dBm, ensuring clean measurement data across the full frequency span.
Technical Specifications
Frequency & Resolution
• Frequency range: 10 Hz to 20 GHz
• Frequency resolution: 100 µHz
• Measurement bandwidths: 1 Hz to 10 kHz (9 steps) and 26 kHz
Dynamic Range & Noise
• Dynamic range >115 dB (with 10 Hz IF bandwidth)
• Dynamic range >85 dB below 0.5 GHz; >115 dB from 0.5–8 GHz; >110 dB from 8–16 GHz; >100 dB from 16–20 GHz
• Inherent noise <−110 dBm (10 Hz measurement bandwidth)
Measurement Speed
• <0.5 ms/point (normalized)
• <125 µs/point (normalized), <240 µs/point (fully calibrated)
• Data transfer <15 ms (200 points)
Power Output
• Output power: +5 dBm/+2 dBm to −85 dBm or 0 dBm/−5 dBm to −85 dBm
• Power uncertainty: <1 dB to 2 dB
– Key Features
• S-parameter measurement and nonlinear characterization (intercept point, compression point)
• Bidirectional test set for simultaneous reference and receiver channel access
• Frequency-converting DUT support (conversion loss, intermodulation, spurious analysis)
• Multiple calibration techniques: TOM, TRM, TRL, TNA, TOM-X, AutoKal, TOSM, normalization, time-domain transformation
• 50 Ω impedance; test ports PC 3.5 male or 2.92 mm male
– Typical Applications
• Power amplifier bidirectional measurements
• Component characterization in research and development
• Production test environments
• DUT selectivity validation
– Compatibility & Integration
• Internal PC with Windows NT for processing and control
• IEC/IEEE bus, internal RSIB data bus for fast data transfer
• Ethernet, GPIB, and VGA interfaces
