What makes the R&S®ZVT special?
State-of-the-art operating concept for quick and easy configuration of test setups
Multiport measurements can be configured quickly and easily by using the "More …" dialogs known from the R&S®ZVA and R&S®ZVB. Parameters, e.g. the port number, are selected with the mouse or entered via an external keyboard. For example, you can select one of the 64 S-parameters from a pull-down menu. There is no tedious search in complicated submenus.
You can combine a virtually unlimited number of traces in any desired manner within the individual diagrams and assign them to over 100 different channels. All parameters of interest can be displayed on the screen in quasi-realtime. This eliminates the time-consuming task of loading new setups into RAM.
High measurement speed and parallel measurements
The R&S®ZVT sets new standards in measurement speed. With its large bandwidths and its local oscillators featuring rapid tuning, the analyzer takes no more than 5 ms to capture a trace of 201 points.
The R&S®ZVT multigenerator concept with a separate generator for each pair of reflectometers makes it possible to organize test ports in groups. Each test port group carries out measurements independently of the other groups; the measurements of all groups are performed simultaneously. This allows several DUTs, or several paths of one DUT, to be measured in parallel. Measuring two or more DUTs in the parallel mode takes no more time than measuring a single DUT in the standard mode. Compared to sequential measurements, measurement speed will thus double when measuring two two-port DUTs in parallel and quadruple when measuring four one-port DUTs in parallel.
True multiport architecture
Based on a true multiport architecture, the R&S®ZVT can perform measurements on all ports of a DUT simultaneously. This considerably reduces the number of sweeps in multiport measurements, in particular as compared with multiport systems based on switching matrices. For example, an eight-port measurement with the R&S®ZVT requires a number of sweeps three times lower than with an analyzer using a switching matrix. The absolute measurement time may be up to six times shorter.
Enhanced accuracy
The switching matrices used in conventional network analyzers are characterized by high attenuation and limited reproducibility, which means an inherent measurement error. The true multiport architecture of the R&S®ZVT offers the capability of simultaneous measurements on all ports and thus eliminates the need for a switching matrix. Measurements are performed with the same accuracy on all ports.
Output power +13 dBm, sensitivity –110 dBm, dynamic range >120 dB
Owing to its true multiport design, the R&S®ZVT has the same high output power, sensitivity, and dynamic range on all ports.
Direct generator/receiver access for higher flexibility and performance
The direct generator/receiver access options provide direct access to all generator and receiver paths. This allows the flexible configuration of external test sets including, for example, filters or preamplifiers. In addition, since the attenuation introduced by the VSWR bridges or couplers is bypassed in the direct mode, measurements can be performed at a higher output power and higher sensitivity. For example, the output power increases by as much as 5 dB and the receiver sensitivity by as much as 15 dB. The resulting increase in dynamic range allows larger measurement bandwidths to be used, which dramatically cuts down on measurement time.
Electronic power sweep range of 50 dB
Like the R&S®ZVA and the R&S®ZVB, the R&S®ZVT features a power sweep range larger than 50 dB. This allows active DUTs to be characterized quickly and wear-free, as no mechanical attenuators are used.
Two DC inputs
Like the R&S®ZVA and the R&S®ZVB, the R&S®ZVT comes with two floating DC inputs on its rear panel for measuring DC voltages or low-frequency AC voltages. Via these inputs, detector characteristics or supply currents of a module can be measured during a frequency or power sweep.
