The Rohde & Schwarz ZVB20 is a high-performance vector network analyzer covering the frequency range from 10 MHz to 20 GHz. Designed for universal measurements on both active and passive RF components, the ZVB20 excels in multiport characterization and balanced device testing. Featuring dual internal sources (in 4-port configurations), excellent dynamic range, rapid measurement speeds, and a Windows-based operating system, it is ideally suited for demanding laboratory development and high-throughput production environments.
Specifications
General
| Parameter | Value |
|---|---|
| Display | 10.4-inch TFT color screen (SVGA, 800 × 600 resolution) |
Physical
| Parameter | Value |
|---|---|
| Operating Temperature | +5 °C to +40 °C (nominal) |
Frequency & Stimulus Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 10 MHz to 20 GHz |
| Frequency Resolution | 1 Hz |
| Frequency Accuracy | ±1.0 × 10^-6 |
| Number of Test Ports | 2 or 4 (hardware dependent) |
| Test Port Impedance | 50 Ω |
| Number of Internal Sources | 1 (for 2-port models) / 2 (for 4-port models) |
| Electronic Power Sweep Range | > 50 dB |
| Power Resolution | 0.01 dB |
Receiver & Dynamic Range Specifications
| Parameter | Value |
|---|---|
| Measurement Bandwidth Range (IF BW) | 1 Hz to 500 kHz (in 1-2-5 steps) |
| Directivity | > 45 dB (typical system-error corrected) |
| Source Match | > 40 dB (typical system-error corrected) |
| Load Match | > 45 dB (typical system-error corrected) |
Measurement Speed & Settings
| Parameter | Value |
|---|---|
| Number of Measurement Points | 1 to 20001 per trace |
| Sweep Types | Linear frequency, Logarithmic frequency, Segmented frequency, Power sweep |
Measurement Capabilities & Calibration
| Parameter | Value |
|---|---|
| Measured Parameters | S-parameters (mixed-mode, single-ended), Impedance (Z), Admittance (Y), Stability factors |
| Display Formats | Log Magnitude, Phase, Group Delay, Smith Chart, Polar, SWR, Linear Magnitude, Real, Imaginary |
| Supported Calibration Types | TOSM (SOLT), TRL, LRL, TOM, TRM, TNA, UOSM |
| Error Correction Levels | Full 1-port, Full 2-port, Full 3-port, Full 4-port, One-path 2-port, Response |
| Automatic Calibration Support | Supported via optional external Automatic Calibration Units |
| Balanced Measurements | Supported (mixed-mode S-parameters for differential components) |
| Time Domain Analysis | Supported as an option (via fast Fourier transform) |
| Frequency Offset Mode | Supported (for mixer/converter transmission measurements) |
| Embedding / De-embedding | Supported (virtual matching networks simulation) |
| Trace Mathematics | Supported (addition, subtraction, multiplication, division with memory traces) |
| Limit Lines | Supported (upper/lower, segment-by-segment limit testing) |
Hardware Interfaces & Connections
| Parameter | Value |
|---|---|
| Test Port Connector Type | 3.5 mm (male), ruggedized |
| External Reference Input Frequency | 10 MHz |
| External Reference Input Level | -4 dBm to +20 dBm |
| Internal Reference Output Frequency | 10 MHz |
| Internal Reference Output Level | +10 dBm (typical) |
| External Trigger Input/Output | BNC (female) |
| LAN Interface | RJ-45 (10/100/1000 Base-T Gigabit Ethernet) |
| GPIB Interface | IEEE-488 (24-pin) |
System, Controller & Storage
| Parameter | Value |
|---|---|
| Display Resolution | 800 x 600 pixels (SVGA) |
| Internal Storage Medium | Internal Hard Disk Drive (standard) |
| Data Storage Formats | Touchstone (.s1p, .s2p, .s3p, .s4p), CSV, PNG, BMP |
| Remote Control Language | SCPI (Standard Commands for Programmable Instruments) |
| Internal Operating System | Windows-based operating system |
Physical, Environmental & Power
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +70 °C |
| Safety Certifications | IEC/EN 61010-1 compliance |
| EMC Compliance | EN 55011 / CISPR 11 Class A, EN 61326-1 |
Source Performance
| Parameter | Value |
|---|---|
| Nominal Output Power Range | -40 dBm to +10 dBm (typ. +13 dBm) |
| Output Level Accuracy | < 1.0 dB (typ. 0.3 dB) |
| Harmonics | < -30 dBc (at 0 dBm output power) |
| Non-Harmonic Spurious | < -45 dBc (typ. < -60 dBc, > 100 kHz offset) |
| SSB Phase Noise | <-110 dBc/Hz (at 1 GHz, 10 kHz offset) |
Receiver Performance
| Parameter | Value |
|---|---|
| Max RF Input Level (Damage Level) | +27 dBm |
| Max DC Voltage at Test Port | 30 V |
Measurement Capabilities
| Parameter | Value |
|---|---|
| Max Number of Channels | > 100 |
| Max Number of Traces | > 100 |
Receiver Specifications
| Parameter | Value |
|---|---|
| Number of Receivers | 4 (2-port model), 8 (4-port model) |
Display
| Parameter | Value |
|---|---|
| Display Size | 8.4 in |
| Display Type | Color TFT |
Interfaces
| Parameter | Value |
|---|---|
| USB Interfaces | 4 × USB 2.0 (2 front, 2 rear) |
| External VGA Port | 15-pin D-Sub female |
| User Port | 25-pin D-Sub (for auxiliary signals) |
Inputs & Outputs
| Parameter | Value |
|---|---|
| Reference I/O Connectors | BNC female |
| External Trigger I/O Connectors | BNC female |
Technology
Vector Network Analysis
Applications
RF component testing, multiport and balanced device measurements, mixer and active device characterization
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