The Rohde & Schwarz ZVB8 is a high-performance Vector Network Analyzer (VNA) belonging to the R&S ZVB family, designed for universal measurements on passive and active components. Featuring a frequency range from 300 kHz to 8 GHz, it is optimized for multiport measurements and balanced devices. With an integrated Windows-based user interface, high measurement speeds, and versatile connectivity, the ZVB8 is ideal for both research and development and high-volume production environments.

Specifications

General

ParameterValue
InterfacesLAN, GPIB (IEC/IEEE bus), USB, Digital I/O (user control)
Display10.4-inch color TFT display

Physical

ParameterValue
Power Supply100 V to 240 V AC, 50 Hz to 60 Hz
Operating Temperature+5 °C to +40 °C
Dimensions (W×H×D)440 mm × 230 mm × 350 mm
Weight< 20 kg

Frequency

ParameterValue
Frequency Range300 kHz to 8 GHz
Frequency Resolution1 Hz

Port Characteristics

ParameterValue
Number of Test Ports2 or 4 (hardware configuration dependent)
Test Port Impedance50 Ω
Test Port Connector TypeN-type, female

Receiver & Dynamic Range

ParameterValue
Dynamic Range> 120 dB (typical > 130 dB at 10 Hz measurement bandwidth)
Measurement Bandwidths1 Hz to 500 kHz (in 1/2/5 steps)
Number of Measurement Points1 to 20001 per trace

Power & Accuracy

ParameterValue
Output Power Range-110 dBm to +10 dBm (typical +13 dBm)

System & Interface

ParameterValue
Operating SystemWindows-based
External VGA Port15-pin D-Sub

Measurement Performance

ParameterValue
Measurement Time per Point< 8 µs (at 500 kHz IF bandwidth)
IF Bandwidth Range1 Hz to 500 kHz
Maximum Input Level+20 dBm RF power, 30 V DC
Harmonic Distortion<-30 dBc (at 0 dBm output level)
Trace Noise< 0.005 dB RMS (at 10 kHz IF bandwidth)

Data Transfer

ParameterValue
GPIB Data Transfer Time< 2.9 ms (for 201 points)
LAN Data Transfer Time< 1 ms (for 201 points)

Source Specifications

ParameterValue
Output Power Resolution0.01 dB

Inputs & Outputs

ParameterValue
USB Interface4 × USB 2.0 (2 on front panel, 2 on rear panel)
External Keyboard/Mouse Ports2 × PS/2 connectors on rear panel
Reference Input ConnectorBNC, 10 MHz
Reference Output ConnectorBNC, 10 MHz

Performance

ParameterValue
Reference Frequency Aging±1 × 10^-6 per year
Reference Frequency Temperature Drift±1 × 10^-6 (within +5 °C to +40 °C)

Technology

Vector Network Analysis

Applications

Multiport and balanced RF component testing, development, and production