R&S SMCVB-K167 User Manual page 18

®
R&S SMCVB-K167
Settings:
Test TS
PID Test
PID (Hex)...................................................................................................................... 18
Payload
PRBS............................................................................................................................ 18
Test TS Packet
Specifies the structure of the test transport stream packet that is fed to the modulator.
"Head/184 Payload"
"Sync/187 Payload"
Remote command:
[:SOURce<hw>]:BB:DVBS:TSPacket
PID Test Packet
If a header is present in the test packet ("Test TS Packet > Head/184 Payload"), you
can specify a fixed or variable packet identifier (PID).
"Null"
"Variable"
Remote command:
[:SOURce<hw>]:BB:DVBS:PIDTestpack
PID (Hex)
Sets the PID.
If "PID Test Packet > Null", "PID (Hex) = 1FFF" is fixed.
If "PID Test Packet > Variable", you can edit the value.
Remote command:
[:SOURce<hw>]:BB:DVBS:PID
Payload Test/Stuff.
Defines the payload area content of the
You can select
For "Source > Test Signal", the packet is a test packet.
For "Stuffing > On", the packet is a null packet. Null packets are inserted into the exter-
nal transport stream to adapt the stream data rate. See also
on page 17.
Remote command:
[:SOURce<hw>]:BB:DVBS:PAYLoad
PRBS
Sets the length of the PRBS sequence.
User Manual 1179.1058.02 ─ 02
Packet.............................................................................................................. 18
Packet.............................................................................................................18
Test/Stuff......................................................................................................... 18
A sync byte (0x47) followed by three header bytes and 184 payload
bytes.
A sync byte (0x47) followed by 187 payload bytes.
The header of the test transport stream packets has a fixed setting of
null packet header 1FFF (hex).
Uses the header value defined with
PRBS or exclusively data in hexadecimal format as payload.
DVB-S Configuration and Settings
on page 49
PID
on page 50
on page 50
TS packet.
on page 50
Input Signal Settings
(Hex).
" Measured Data Rate"
18