R&S ZNB Series User Manual page 267

®
R&S ZNB/ZNBT
4.7.28 External generators
The connection of an external generator to the R&S ZNB/ZNBT can serve different
purposes.
●
Extended measurement functionality: Each external generator represents an addi-
tional source port. External generators increase the number of RF input signals for
the DUT. A typical example is a mixer measurement with a 2-port analyzer, where
an external generator provides the LO input signal.
●
Power calibration: An external generator can provide the reference signal for a
source or receiver calibration. A typical example is a receiver power calibration
using a measured wave b
User Manual 1173.9163.02 ─ 62
VNA
1
RF
IF
LO
External generator
1
Optional extensions and accessories
USB ports
2
Control connection
.
Concepts and features
(e.g. USB)
RF
out
267