ZVA50

The Rohde & Schwarz ZVA50 is a high-performance vector network analyzer designed for demanding microwave and millimeter-wave measurements up to 50 GHz. Available in two-port and four-port configurations with up to two independent, phase-coherent internal sources, it excels in multi-port, balanced, pulsed, and differential measurements for aerospace, defense, and high-speed digital applications.

Component Testing Microwave Millimeter-Wave RF and Microwave

Specifications

General

Parameter	Value
Interfaces	GPIB, LAN, USB
Display	10.4-inch color LCD (1024 x 768 pixels)
Warm-Up Time	30 minutes

Physical

Parameter	Value
Power Supply	100 V to 240 V AC (±10%), 50 Hz to 60 Hz
Operating Temperature	+5 °C to +40 °C
Dimensions (W×H×D)	435 mm × 271 mm × 532 mm
Weight	27.5 kg

Frequency & Stimulus Specifications

Parameter	Value
Frequency Range	10 MHz to 50 GHz
Frequency Resolution	1 Hz
Number of Test Ports	2 or 4 (configuration dependent)
Test Port Impedance	50 Ω
Number of Integrated Sources	2 (on 4-port model)
Phase Coherence	Yes (integrated coherent sources for differential stimulus)

Receiver & Dynamic Range Specifications

Parameter	Value
Measurement IF Bandwidth	1 Hz to 15 MHz
Pulse Profile Time Resolution	12.5 ns

Measurement Speed & Settings

Parameter	Value
Measurement Time per Point	3.5 µs
Maximum Sweep Points	60,000
Maximum Number of Traces	100

Measurement Capabilities & Calibration

Parameter	Value
Measured Parameters	S-parameters, balanced S-parameters, mixed-mode S-parameters
Display Formats	Log Mag, Phase, Group Delay, Smith Chart, Polar, SWR, Lin Mag, Real, Imaginary
Supported Calibration Types	TOSM (SOLT), TRL, LRL, TOM, TRM, TNA, UOSM
Embedding / De-embedding	Supported using virtual networks for impedance matching
Pulsed Measurements	Supported (via pulsed profile measurement option)
True Differential Measurements	Supported (via option)

Hardware Interfaces & Connections

Parameter	Value
Test Port Connector Type	2.4 mm (ruggedized, male)
External Reference Input Frequency	1 MHz to 20 MHz
External Reference Output Frequency	10 MHz
External Trigger Input / Output	BNC female

System, Controller & Storage

Parameter	Value
Internal Operating System	Windows

Physical, Environmental & Power

Parameter	Value
Storage Temperature Range	-40 °C to +70 °C
Weight (4-Port Model)	32.5 kg

Receiver & Port Characteristics

Parameter	Value
Damage Level	+27 dBm RF, 30 V DC
Power Level Resolution	0.01 dB
Number of Receivers	4 (2-port model), 8 (4-port model)

Accuracy & Stability

Parameter	Value
Reference Frequency Temperature Stability	±1 × 10^-6 (standard), ±1 × 10^-9 (with Option ZVAB-B4 Precision Frequency Reference)
Reference Frequency Aging	±1 × 10^-6 per year (standard), ±1 × 10^-7 per year (with Option ZVAB-B4 Precision Frequency Reference)

Integrated Bias Tees

Parameter	Value
Bias Tees Maximum Voltage	30 V
Bias Tees Maximum Current	200 mA

Performance

Parameter	Value
Trace Noise Magnitude	< 0.005 dB RMS (at 10 kHz IF bandwidth)
Trace Noise Phase	< 0.05° RMS (at 10 kHz IF bandwidth)

Source Characteristics

Parameter	Value
Harmonics	<-20 dBc (at max output power, typical)
Source Attenuator Range	0 dB to 70 dB in 10 dB steps (with Option R&S ZVA-B21/-B22/-B23/-B24)

Receiver Characteristics

Parameter	Value
Receiver Attenuator Range	0 dB to 35 dB in 5 dB steps (with Option R&S ZVA-B31/-B32/-B33/-B34)

Compliance & Safety

Parameter	Value
EMC Compliance	IEC/EN 61326 Class A, CISPR 11/EN 55011 Class A
Safety Compliance	IEC/EN 61010-1

Interfaces

Parameter	Value
USB Ports Count	6 ports (4 front, 2 rear) USB 2.0
LAN Interface Speed	10/100/1000 Base-T (RJ-45)
External Monitor Interface	DVI-D and VGA

Technology

Vector Network Analysis

Applications

RF and Microwave Component Testing, Balanced and Pulsed Measurements