R&S ZNB Series User Manual page 261

®
R&S ZNB/ZNBT
●
Extended Dynamic Range options are not available for R&S ZNBT20|26|40.
●
Extended Dynamic Range and
the same 4-port block.
●
Mixed equipping with Extended Dynamic Range and standard 4-port blocks (with
or without receiver step attenuators) is possible. However, Extended Dynamic
Range can only be guaranteed for Extended Dynamic Range ports.
●
To achieve the higher sensitivity, on Extended Dynamic Range port blocks:
–
–
See the R&S ZNBT data sheet for details.
4.7.23 Receiver step attenuators
Various Options (see tables below)
Receiver step attenuators are used to adjust the received signal levels to the input
level range of the analyzer to avoid damage to the instrument, e.g. if the DUT is a
power amplifier.
The attenuation values can be set between 0 dB and 30 dB (in 10 dB steps); see
Attenuators"
Table 4-24: R&S ZNB
Analyzer type
R&S ZNB4
R&S ZNB8
●
Receiver step attenuators are not available for R&S ZNB20|26|40|43.
●
Receiver step attenuators for R&S ZNB4|8 can be retrofitted at Rohde & Schwarz
service.
Table 4-25: R&S ZNBT8
Ports 1 to 4
R&S ZNBT8-
B361
●
Receiver step attenuators are not available for the R&S ZNBT20|26|40.
●
Receiver step attenuators for R&S ZNBT8 can be retrofitted at Rohde & Schwarz
service.
User Manual 1173.9163.02 ─ 62
The compression point (0.1 dB) is reduced
The maximum output power is reduced
on page 417. The following step attenuators are available:
Port 1
R&S ZNB4-B31
R&S ZNB8-B31
Ports 5 to 8 Ports 9 to 12
R&S ZNBT8- R&S ZNBT8-
B362 B363
Optional extensions and accessories
Receiver step attenuators
Port 2 Port 3
R&S ZNB4-B32 R&S ZNB4-B33
R&S ZNB8-B32 R&S ZNB8-B33
Ports 13 to 16
R&S ZNBT8-
B364
Concepts and features
are mutually exclusive on
"Step
Port 4
R&S ZNB4-B34
R&S ZNB8-B34
Ports 17 to 20 Ports 21 to 24
R&S ZNBT8- R&S ZNBT8-
B365 B366
261