Agilent Technologies E1563A, E1564A SENSeROSCillatorEXTernalFREQuency?, 9E3 Hz to 30E6 Hz

Models: E1563A E1564A

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REAL Format Data: Data are returned as real numbers when the data format is set to REAL (see FORMat[:DATA] REAL). The data are returned in voltage units and no scaling conversion is required as with the PACKed format. Readings are in an interleaved configuration.

IEEE-488.2 Headers: Both PACKed and REAL formats return data preceded by the IEEE-488.2 definite length arbitrary block header. The header is # <num_digits> <num_bytes>, where

# signifies a block transfer

<num_digits> is a single digit (1 through 9) which specifies how many digits (ASCII characters) are in <num_bytes>

<num_bytes> is the number of data bytes which immediately follow the <num_bytes> field

[SENSe:]ROSCillator:EXTernal:FREQuency

Parameters

Comments

[SENSe:]ROSCillator:EXTernal:FREQuency <freq> specifies the externally

supplied timebase frequency. This command is not required unless ROSCillator:SOURce is EXTernal. The default timebase is the INTernal timebase.

Name

Type

Range of Values

Default Value

 

 

 

 

freq

numeric

9.9E3 Hz to 30E6 Hz

N/A

 

 

 

 

Sample Periods: The frequency parameter value is used to calculate sample periods when the sample source is set to TIMer. The sample period must be at least 1.250E-6 seconds (800 kHz), and must be an integral multiple of the timebase period 1.0E-7 seconds when the timebase source is INTernal).

Period values will be rounded to the nearest period the instrument can obtain.

Executable when initiated: NO

Coupled command: NO

Reset (*RST) Condition: frequency = 10.0 MHz

[SENSe:]ROSCillator:EXTernal:FREQuency?

[SENSe:]ROSCillator:EXTernal:FREQuency? queries the external frequency.

Chapter 3

Digitizers Command Reference 89

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Agilent Technologies E1563A, E1564A user manual SENSeROSCillatorEXTernalFREQuency?, 9E3 Hz to 30E6 Hz