User`s guide

Agilent E6432A Microwave Synthesizer User’s Guide 4-211

HPE6432_SetQOffsetDac

ViStatus HPE6432_SetQOffsetDac (ViSession instrumentHandle,

ViUInt16 qOffsetDac);

Purpose

This function sets a value for the Q Offset DAC.

Q Offset is used to enter an origin offset voltage for the

quadrature-phase portion of an I/Q signal. The value of Q Offset is

used to adjust out imperfections in the quadrature-phase signal.

The level of dc offset determines the level of carrier feed-through.

Factory Preset Value: 2048 (Recommended)

Parameter List

instrumentHandle

Variable Type ViSession

This is the ViSession handle that is obtained from the Initialize

function. The instrumentHandle identifies a particular instrument

session.

qOffsetDac

Variable Type ViUInt16

This parameter specifies a value for the Q Offset DAC.

Allowable values: 0 to 4095

Return Value

This parameter reports the return status of this function.

To obtain further information about the status that is returned, call the

Error Message function or refer to “Error-Code and Fail-Code

Messages” on page 3-93.