Trig Type - HP 83206A User Manual

Chapter 7, Screen and Field Descriptions
Parameters of the DIGITAL MEASUREMENT Screen

Trig Type

232
S:\HP83206A\USRGUIDE\MANUAL\ref.fm
Settings: Amptd Hi, Amptd Mid, Amptd Low, Immediate, ANL TG IN, Frame
Clk, 2x Frame
Units: None
This field specifies the trigger conditions for the digital analyzer.
Selecting the appropriate trigger is necessary when making BER measurements
and aligning the digital analyzer to timeslots for power, adjacent channel power,
or EVM measurements.
Selecting causes the analyzer to be triggered immediately.
Immediate
Selecting causes the analyzer to be triggered by the signal at the
ANL TG IN
HP 83206A's ANALYZER TRIGGER IN connector. However, this connector is
not active on the HP 82603A.
Selecting causes the analyzer to be triggered by the 50 Hz, 2 frame
2x Frame
clock provided by the Test Set's digital generator.
Selecting causes the analyzer to be triggered by the 25 Hz frame
Frame Clk
clock provided by the Test Set's digital generator.
Amplitude triggering uses low-to-high amplitude transitions in pulsed carriers as
the trigger source. Trigger thresholds are at 6 dB (
), and 18 dB (
Mid Amptd Low
field must be set to either
Input
Amptd Hi
) from the maximum AdcMaxAbs level. The
or
Int IF Ext IF IN
), 12 dB (
Amptd
.