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Facilità d'uso
STOP Description: Stops the measurement mode and puts the sensor in idle mode. Syntax: STOP + LF Return Value: OK or ERR Remarks: This command should be sent before exiting the user application. IDN? Description: Gets identification information from the sensor. Syntax: IDN? + LF Return Value: ANRITSU, Model #, Serial #, Module Serial #, firmware version PWR? Description: Gets the power reading from the power sensor. Syntax: PWR? + LF Return Value: Power value in dBm Remarks: If an error condition exists, the returned power reading values are pre-tagged with the letter “E” and the sensor’s LED turns yellow. The STATUS? command can then be issued to find details about the error. NPWR? Description: Gets a new power reading from the power sensor. Syntax: NPWR? + LF Return Value: Current Power value in dBm Remarks: After receiving this command, the power sensor discards the existing data that is stored in the sensor’s buffer. A new measurement of the current power is initiated to get a new power reading. If an error condition exists, the returned power reading values are pre-tagged with the letter “E” and the sensor’s LED turns yellow. The STATUS? command can then be issued to find details about the error. Note: This command is only available in sensor firmware versions 1.01 and later. MA24106A UG Remote Operation Remote Operation Command Details FREQ? Description: Gets the current cal factor frequency value from the sensor. Syntax: FREQ? + LF Return Value: Current cal factor frequency in GHz FREQ Description: Sets the current cal factor frequency value for the sensor. Syntax: FREQ fghz + LF Return Value: OK or ERR Remarks: “fghz” is the cal factor frequency value in GHz. “fghz” must be between 0.05 GHz to 6 GHz. Available resolution is 3 digits after the decimal point. ZERO Description: Zeros the power sensor. Syntax: ZERO + LF Return Value: OK if successful and ERR if zeroing failed. Remarks: In case of zero failure, the STATUS? command can be used to retrieve more detail about the error. See the STATUS? command for more detail. It takes 19 seconds to zero a sensor, please wait at least this long to get a response from the sensor. TMP? Description: Gets the current temperature reading from the sensor. Syntax: TMP? + LF Return Value: Current temperature in degrees C. STATUS? Description: Get error status byte from the sensor. Syntax: STATUS? + LF Return Value: Error status byte Remarks: Error status byte information: Status.b0 -> ZERO_TEMP_ERROR (Temperature changed more than allowable limit after zeroing sensor) Status.b1 -> Not Used Status.b2 -> ADC_CH2_OR (Temperature over range) Status.b3 -> ADC_CH3_OR (Detector A over ranged) Status.b4 -> ZERO_ERROR_DET_A Status.b5 -> ZERO_ERROR_DET_B Status.b6 -> TEMP_ERROR (Temperature beyond operating range) Status.b7 -> Not Used MA24106A UG Remote Operation Command Details Remote Operation HAT Description: Sets the high aperture time mode. Syntax: HAT + LF Return Value: OK or ERR Remarks: This command will put the sensor in high aperture time mode. In this mode, the A to D converter integration time is about 160 milliseconds. LAT Description: Sets the low aperture time mode. Syntax: HAT + LF Return Value: OK or ERR Remarks: This command will put the sensor in low aperture time mode. In this mode, the A to D converter integration time is about 10 milliseconds. This mode is the default mode for the sensor when powered up. MA24106A UG Chapter 5 — Sensor Operational Tests 5-1 Introduction The test methodology and equipment described herein can be used to gain some confidence in the measurement accuracy of the MA24106A Power Sensor. This is accomplished by comparing the sensor to another sensor with a specified cal factor and linearity performance or uncertainty. General commercially available equipment is used for these tests; however, these procedures are not sufficiently accurate to verify sensors to factory specification. Therefore, sensor test limits in these procedures are set appropriately to the specified comparison equipment. All tests should be performed at an ambient temperature of 20.C to 25.C. Note: Calibration and verification of high accuracy Power sensors requires substantial investment in both skill and equipment. For calibration, calibration verification, and to maintain the factory specifications of your power sensor, please send sensors to qualified Anritsu Customer Service Centers. Refer to the following sections for required equipment and test procedures: • Required Equipment • VSWR Pretest • Calibration Factor Test • Linearity Test 5-2 Required Equipment Table 5-1. Required Equipment Equipment Description Manufacturer and Model Critical Specifications Vector Network Analyzer (Pretest) Anritsu MS4624B or equivalent Reflection Coefficient Uncertainty .0.013 to 2 GHz Uncertainty .0.020 to 6 GHz Synthesizer (Cal. Factor and Linearity Tests) Anritsu MG3692 or equivalent Output Power: >+20 dBm 0.05 to 6 GHz Output Power Setting Resolution: 0.01 dBm Harmonic...
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