Boonton 4530 Peak Power Meter User Manual - Manual (Page 140)

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Chapter 4 Boonton Electronics
Remote Operation 4530 Series RF Power Meter
b. Making successive measurements.
C ALC1:MODE cw Set for CW measurement mode
TRIG:SOUR bus Set trigger source for bus
ABORT Measurements STOP and triggers go to idle.
{send GET} or *TRG One random trace appears in graph mode
FETCH1:CW:POWER? Returns CW power reading. Sending GET again has no effect;
the measurement is complete.
(The bus trigger serves no purpose unless an ABORT command is issued to reset the trigger system and stop the
measurement. Otherwise, just set
TRIGger:SOURce immediate and use FETCH to input readings on demand. )
4.8.4 Statistical Mode Example - (CDF, CCDF, DISTRIBUTION) - Signal in: CDMA signal at 0dBm average
power, at a 900MHz center frequency.
a. Start a CCDF measurement.
CALC1:MODE CCDF Set CCDF display mode.
TRIG:SOUR immediate Set for “immediate” start on trigger arming
ABORT Reset the trigger system.
INIT:CONT off Set for single, triggered measurement
INIT:IMMEDIATE Restart statistical processing.
FETCH1:AMEASURE:POWER? Return statistical reading array.
b. Using the bus trigger to start a CCDF measurement.
CALC1:MODE CCDF Set CCDF display mode
TRIG:SOUR bus Set trigger source for bus
ABORT Reset trigger system.
INIT:CONT off Set for single, triggered measurement
INIT:IMMEDIATE Reset measurement.
{send GET or *TRG} Start the measurement
FETCH1:AMEASURE:POWER? Return statistical reading array