Rohde & Schwarz SMIQ02B - Page 354

SMIQ Digital Standard PDC
1125.5555.03 E-92.285
EXECUTE
TRIGGER
Executes a trigger even to start the PDC signal generation.
IEC/IEEE-bus command
:TRIG:DM:IMM
TRIGGER...
Opens a window for selecting the trigger source, for configuring the trigger
output signals and for setting the time delay of an external trigger signal.
FREQ
100. 000 000 0
MHz
FREQUENCY
LEVEL
ANALOG MOD
VECTOR MOD
DIGITAL MOD
DIGITAL STD
LF OUTPUT
SWEEP
LIST
MEM SEQ
UTILITIES
PDC
PHS
IS-95
NADC
PDC
GSM
STATE
MODULATION...
TRIGGER MODE
EXECUTE TRIG
TRIGGER....
CLOCK...
POWER RAMP C>
SLOT ATTENUA
0
TCH
TRIGGER SOURCE INT EXT
EXT TRIGGER DELAY 0 Symb
EXT RETRIGGER INHIBIT 0 Symb
TRIGGER OUT2 DELAY 0 Symb
TRIGGER OUT2 PERIOD 1 Frames
LEVEL
-30.0
dBm
PEP
- 27.4
dBm
Fig. 2-187 Menu DIGITAL STD - PDC_TRIGGER..., SMIQ equipped with Modulation Coder SMIQB20
and Data Generator SMIQB11
(TRIGGER...) TRIGGER SOURCE
Selection of trigger source.
EXT The PDC signal generation is started by the
active slope of an external trigger signal.
The polarity, the trigger threshold and the
input resistance of the TRIGIN input can be
modified in menu DIGITAL MOD - EXT
INPUTS.
INT A trigger event is executed by EXECUTE
TRIGGER
.
IEC/IEEE-bus
:SOUR:PDC:TRIG:SOUR EXT
EXT TRIGGER
DELAY
Setting the number of symbols by which an external
trigger signal is delayed before it starts the PDC
signal generation.
This is used for setting the time synchronization
between the SMIQ and the DUT.
IEC/IEEE-bus
:SOUR:PDC:TRIG:DEL 3