9 ACP Measurement
Meas
Binary Read Fast Power Measurement (Remote Command Only)
This command query is used as shorthand for an INIT command immediately followed by a FETC?
command. The returned results are in a binary format.
Mode
All
Remote
Command
:CALCulate:FPOWer:POWer[1,2,…,999]:READ?
:CALCulate:FPOWer:POWer[1,2,…,999]:READ1?
Example
:CALC:FPOW:POW1:READ?
:CALC:FPOW:POW1:READ1?
Notes
Option FP2 is required.
Returns m 4 byte floating point binary values (Little-Endian), where m corresponds to the number of
bandwidths defined.
Initial S/W
Revision
A.14.00
Diagnostic Binary Read Fast Power Measurement (Remote Command Only)
This command query is used as shorthand for an INIT command immediately followed by a FETC?
command. The returned results are in a binary format. This command is used primarily for diagnostic
purposes to test for ADC overloads and to visibly inspect the spectrum.
Mode
All
Remote
Command
:CALCulate:FPOWer:POWer[1,2,…,999]:READ2?
Example
:CALC:FPOW:POW1:READ2?
Notes
Option FP2 is required.
Note: Spectrum data is only returned if the IncludePowerSpectrum parameter is set to True. If
IncludePowerSpectrum is False, the number of spectrum points will be zero (0).
Units of the returned values are dependent on the Function parameter per channel (e.g. dBm for
BandPower, Hz for PeakFrequency).
Returns binary data (Little-Endian) that contains information on m amount of channels, along with ADC
over range and full spectrum data.
The following is the binary format of the response.
Bandwidth Return Value
1. Number of channels specified, m [4 byte int]
2. Declared function result for the 1st specified channel [4 byte float]
3. Declared function result for the 2nd specified channel [4 byte float]
…
(m + 1). Declared function result for the last (mth) specified channel [4 byte float]
ADC Over Range
1. ADC over-range occurred (1: true, 0: false) [2 byte short]
712
W-CDMA & HSPA Measurement Applications Reference
Summary of Contents for E6640A
Page 80: ...Table of Contents lxxx W CDMA HSPA Measurement Applications Reference ...
Page 188: ...3 Programming the Test Set Common Commands 188 W CDMA HSPA Measurement Applications Reference ...
Page 256: ...5 Mode Functions Mode Setup 256 W CDMA HSPA Measurement Applications Reference ...
Page 324: ...6 System Functions System 324 W CDMA HSPA Measurement Applications Reference ...
Page 369: ...8 Channel Power Measurement Auto Couple W CDMA HSPA Measurement Applications Reference 369 ...
Page 389: ...8 Channel Power Measurement Marker W CDMA HSPA Measurement Applications Reference 389 ...
Page 664: ...9 ACP Measurement Auto Couple 664 W CDMA HSPA Measurement Applications Reference ...
Page 669: ...9 ACP Measurement BW W CDMA HSPA Measurement Applications Reference 669 ...
Page 984: ...9 ACP Measurement View Display 984 W CDMA HSPA Measurement Applications Reference ...
Page 1001: ...10 Spectrum Emission Mask Measurement W CDMA HSPA Measurement Applications Reference 1001 ...
Page 1668: ...12 Code Domain Measurement Auto Couple 1668 W CDMA HSPA Measurement Applications Reference ...
Page 2354: ...14 QPSK EVM Measurement 2354 W CDMA HSPA Measurement Applications Reference ...
Page 2364: ...14 QPSK EVM Measurement Auto Couple 2364 W CDMA HSPA Measurement Applications Reference ...