DVB-S Configuration and Settings
R&S
®
SMCVB-K167
18
User Manual 1179.1058.02 ─ 02
Settings:
Test TS Packet
Specifies the structure of the test transport stream packet that is fed to the modulator.
"Head/184 Payload"
A sync byte (0x47) followed by three header bytes and 184 payload
bytes.
"Sync/187 Payload"
A sync byte (0x47) followed by 187 payload bytes.
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"
The header of the test transport stream packets has a fixed setting of
null packet header 1FFF (hex).
"Variable"
Uses the header value defined with
.
Remote command:
[:SOURce<hw>]:BB:DVBS:PIDTestpack
PID (Hex)
.
If "PID Test Packet > Null", "PID (Hex) = 1FFF" is fixed.
If "PID Test Packet > Variable", you can edit the value.
Remote command:
Payload Test/Stuff.
Defines the payload area content of the
packet.
or exclusively data in hexadecimal format as payload.
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
Remote command:
PRBS
Sets the length of the PRBS sequence.
Input Signal Settings