R&S
®
ZVA / R&S
®
ZVB / R&S
®
ZVT GUI Reference
Channel Menu
Operating Manual 1145.1084.12 – 30 412
To be used for accurate harmonics measurements.
Harmonic Filter
Receiver Port 2
Suppresses the fundamental wave in the received signal at port 3 and therefore prevents
additional harmonics induced in the NWA receiver.
To be used for highly accurate harmonics measurements.
Harmonic Filter
Generator Port 3
Provides an RF source signal with excellent harmonics suppression at port 3.
Harmonic filters for two independent source signals are used for differential measurements and
mixer measurements which require RF and LO signals with a high spectral purity.
Pulse Modulator
Generator Port 1
Provides pulsed signals at port 1.
To be used for pulsed measurements on asymmetric DUTs (e.g. power amplifiers), where the
reverse stimulus signal can be continuous.
Pulse Modulator
Receiver Port 2
Modifies the pulsed received wave at port 3.
Used to protect the NWA receiver from excess input levels (e.g. in T/R module measurements).
Pulse Modulator
Generator Port 3
Provides pulsed signals at port 3.
Pulsed signals at two independent ports are used for pulsed measurements on DUTs which
require pulsed stimulus signals in forward and reverse direction (e.g. symmetric DUTs, T/R
modules for phased-array pulse radar).
High Power Coupler
Port 1
Extends the source power range at port 1 to values up to +43 dBm.
Used for measurements on DUTs that require high stimulus power levels
High Power Coupler
Port 2
Extends the receiver power range at port 2 to values up to +43 dBm.
Used for measurements on DUTs that provide high output power levels.
ZVAX Path Configuration (for R&S ZVA)
The ZVAX Path Configuration dialog gives an overview of the RF signal paths in the Extension Unit R&S
ZVAX24 and the installed hardware modules. It also loops the individual modules into the signal paths.
The dialog for a fully-equipped Extension Unit is shown below. If one of the harmonic filter, pulse
modulator, preamplifier or combiner options is not fitted, it is replaced by a straight line (through path).
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