Frequency

This topic describes the following functions:

• Get/Set_Frequency

• Get/Set_FreqOffset

• Get/Set_SPRBW

• Get/Set_SPCBW

• Get/Set_SPSpan

• Get/Set_SAFrequency

E6651_Get/Set Frequency

Declaration

int E6651_GetFrequency(BYTE MID, double* Value);

int E6651_SetFrequency(BYTE MID, double Value);

Parameter

MID [in]: User defined E6651A Machine ID.

Value [out]: Current E6651’s Center Frequency (Hz).

Value [in]: E6651’s Center Frequency value to be set (Hz).

Default

Depends on selected profile:

Return Value

Success: STATE_SUCCESS(1)

Failure: STATE_ERROR(-1)

Description

Retrieve and set the Center Frequency value of E6651A.

E6651_Get/Set FreqOffset

Declaration

int E6651_GetFreqOffset(BYTE MID, double* Value);

int E6651_SetFreqOffset(BYTE MID, double Value);

Parameter

MID [in]: User defined E6651A Machine ID

Value [out]: Current E6651’s Center Frequency Offset information (Hz).

Value [in]: E6651’s Center Frequency Offset value to be set (Hz).

Default

0 Hz

Return Value

Success: STATE_SUCCESS(1)

Failure: STATE_ERROR(-1)

Description

Retrieve and set the Center Frequency Offset value applied to the downlink signal path from the E6651A to the SS under test.

E6651_Get/Set SPRBW

Declaration

int E6651_GetSPRBW(BYTE MID, double* Value);

int E6651_SetSPRBW(BYTE MID, double Value);

Parameter

MID [in]: User defined E6651A Machine ID.

Value [out]: Current Resolution Bandwidth of the E6651(MID) when in Spectrum Analyzer mode.

Value [in]: Resolution Bandwidth of the E6651. (10000 Hz (10KHz) ~ 100000Hz (100KHz))

Default

10 kHz

Return Value

Success: STATE_SUCCESS(1)

Failure: STATE_ERROR(-1)

Description

Retrieve and Set Resolution Bandwidth value of the E6651(MID) when in Spectrum Analyzer mode.

E6651_Get/Set SPCBW

Declaration

int E6651_GetSPCBW(BYTE MID, DWORD* Value);

int E6651_SetSPCBW(BYTE MID, DWORD Value);

Parameter

MID [in]: User defined E6651A Machine ID.

Value [out]: Channel Bandwidth when E6651 is in Spectrum Analyzer mode

Value [in]: Channel Bandwidth to be set.

Default

Return Value

Success: STATE_SUCCESS(1)

Failure: STATE_ERROR(-1)

Description

Retrieve and Set “Channel Bandwidth” value of E6651(MID) when E6651 is operating in Spectrum Analyzer mode.

E6651_Get/Set SPSpan

Declaration

int E6651_GetSPSpan(BYTE MID, int* Value);

int E6651_SetSPSpan(BYTE MID, int Value);

Parameter

MID [in]: User defined E6651A Machine ID

Value [out]: Current Span value of E6651(MID) when in Spectrum Analyzer mode.

Value [in]: Span of E6651 to be set. [10000Hz (10KHz) ~ 16000000Hz (16MHz)]

Default

16 MHz

Return Value

Success: STATE_SUCCESS(1)

Failure: STATE_ERROR(-1)

Description

Retrieve and set the Span when the E6651 is operating in Spectrum Analyzer mode.

E6651_Get/Set SAFrequency

Declaration

int E6651_GetSAFrequency(BYTE MID, double* value);

int E6651_SetSAFrequency(BYTE MID, double value);

Parameter

MID [in]: User defined E6651A Machine ID.

Value [out]: Frequency value of SA mode to be set when E6651 is operating in SA mode.

Value [in]: Frequency value of SA mode to be set when E6651 is operating in SA mode.

Default

Return Value

Success: STATE_SUCCESS(1)

Failure: STATE_ERROR(-1)

Description

Retrieve and set the Center Frequency when the E6651 is operating in SA mode.