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RF Calibration Kit

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About This Manual

This manual covers the operating & maintenance instructions for the following models:

Changes to this Manual

We have made every effort to ensure this manual is accurate. If you should discover any errors, or if you have

suggestions for improving this manual, please send your comments to our factory. This manual may be periodically

updated. When inquiring about updates to this manual refer to the part number and revision level on the title page.

SMK-3003A

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Summary of Contents for SMK-3000 Series

Page 1: ...SMK 3000 Series RF Calibration Kit User Manual Copyright 2022 by Bird Technologies Inc Technical Manual Part Number 920 4022A600 Rev B Thruline is a Registered Trademark of Bird Technologies Inc...

Page 2: ......

Page 3: ...t attempt to remove the RF transmission line while RF power is present WARNING Do Not Service Or Adjust Alone Under no circumstances should any person reach into an enclosure for the purpose of servic...

Page 4: ...enance procedure practice condition statement etc which if not strictly observed could result in injury to or death of personnel or long term health hazards CAUTION Highlights an essential operating o...

Page 5: ...e 15 17 and 18 See page 18 See page 18 WARNING Never attempt to connect or disconnect RF equipment from the transmission line while RF power is being applied Leaking RF energy is a potential health ha...

Page 6: ...not exceed the RF Power or RF frequency specifications of the RF Power Sensor CAUTION Do not over tighten the screws Over tightening will strip the plastic and the screw will not hold the 4421A to the...

Page 7: ...RAINED PERSONNEL ONLY TO AVOID DANGEROUS ELECTRIC SHOCK DO NOT PERFORM ANY SERVICING UNLESS QUALIFIED TO DO SO SERVICIO LAS INSTRUCCIONES DE SERVICIO SON PARA USO EXCLUSIVO DEL PERSONAL DE SERVICIO CA...

Page 8: ...We have made every effort to ensure this manual is accurate If you should discover any errors or if you have suggestions for improving this manual please send your comments to our factory This manual...

Page 9: ...ck Mount Kit 2 Chapter 2 Equipment Description 3 RF Power Sensor Equipment Description 3 Display Options 3 Quick Change Connectors 3 Power Sensor RF Interface Connectors 4 4421A RF Power Meter Equipme...

Page 10: ...4421A SCPI Commands 20 Chapter 6 Legacy RS 232 Commands 23 Legacy Command Syntax 23 General Bus Commands 23 Device Dependent Commands 24 Chapter 7 Specifications 26 Bird 4421A Power Meter Specificati...

Page 11: ...ors The RF Calibration Kit may be used to calibrate RF radios wattmeters directional couplers and other high power RF test equipment in the field or metrology lab Figure 1 RF Calibration Kit Items Sup...

Page 12: ...SB and serial Connection to the Bird 4421A RF Power Meter is available through the Sensor Input serial interface The 4421A RF Power Meter provides the simplest means of reading measurements from the s...

Page 13: ...a computer The Bird 4421A RF Power Meter connects to the sensor using an interface cable that provides a path for serial data communication between the power sensor and the power meter A computer conn...

Page 14: ...grammable Instruments SCPI language This interface allows a computer to send requests and receive messages from the sensor without the use of a power meter 3 Sensor Input Interface Connector The Senso...

Page 15: ...ybe be displayed alone or with an accompanying graph The display may be configured to display the following sensor measurements Forward Power Reflected Power VSWR Return Loss Reflection Coefficient Fi...

Page 16: ...utton for 3 seconds 3 AC Power Input Connector Power input connector C 14 male 100 240 VAC 50 60 Hz with integrated fuse holder requires 1A 5x20mm slow blow fuses 4 LAN Connector LAN connector provide...

Page 17: ...played When on battery power the charge level of the battery in displayed 2 Battery Remaining Indicates the remaining charge of the internal battery 3 Forward and Reflected Power The sensor readings f...

Page 18: ...d Power is plotted on the graph in watts on the vertical axis y versus time in the horizontal axis x The trace is displayed as a red line The graph accumulates data at 1 sample sec as long as a sensor...

Page 19: ...A will accept the RS 232 command set used with legacy 4421 power meters See Chapter 6 Legacy RS 232 Commands on page 23 5 Use Command Mode Command mode emulates the command mode dip switch setting fro...

Page 20: ...layed either raw or averaged When Average On is checked each point plotted on the graph is the arithmetic mean of several raw graph samples 4 Count Graphing Mode Numeric entry for specifying the numbe...

Page 21: ...ace allows a remote computer to control the 4421A Standard Commands for Programmable Instruments SCPI commands are used to control the 4421A see 4421A SCPI Commands on page 18 or Legacy RS 232 Command...

Page 22: ...Serial Port Settings Menu is used to define serial connection settings See 4421A SCPI Commands on page 18 for details on serial commands Figure 10 Serial Port Settings Menu Item Indicator Description...

Page 23: ...32 or Ethernet interfaces See 4421A SCPI Commands on page 18 Legacy RS 232 Commands these commands are used by Bird s legacy 4421 Power Meter these com mands will also work for the 4421A if the Use Le...

Page 24: ...ed before initial use The AC power source required is 100 240 V 50 60 Hz 1 W 1 Place the 4421A Power Meter on a stable work area 2 Connect Power Cord to AC power input connector on the 4421A 3 Plug th...

Page 25: ...f the RF Source if required 2 Connect the RF Power Sensor s output connector to the load 3 Connect the RF Power Sensor s input connector to the RF source Figure 11 4421A Connections WARNING Never atte...

Page 26: ...long Two oversized washers M2 5 screw size 2 7 mm ID 8 mm OD VESA Mount with 75mm hole spacing VESA Mount Installation 1 Position the VESA mount on the rear of the 4421A enclosure 2 Insert the recomme...

Page 27: ...t the AC power cable to the 4421A 4 Connect the sensor cable to one of the sensor cable connectors on the right side of the 4421A 5 Connect the remaining end of the sensor cable to a power sensor Note...

Page 28: ...d to execute the command But each mode of the command must be in either short form or the complete long form no in between Example Correct IDEN IDENtity Incorrect IDENti SYSTem IDENtity FWRev SYST IDE...

Page 29: ...R1 Signed integer numeric response data Examples 123 456 789 PARAM_TYPE_SIGNED_INTEGER NR2 Floating point numeric response data without exponent Examples 1 23 4 56 0 789 PARAM_TYPE_FLOAT arbitrary_asc...

Page 30: ...urment The sensor channel to read 1 or 2 is omitted channel 1 is returned Parameter Type NR1 Parameter Minimum 1 Parameter Maximum 2 Parameter Default 1 Parameter Values Parameter Units Response Retur...

Page 31: ...tity MODel Description Get the device model name Parameter Type arbitrary_ascii Parameter Minimum Parameter Maximum Parameter Default Parameter Values Parameter Units Response Returns the model number...

Page 32: ...imum Parameter Default Parameter Values Parameter Units Response Restore factory default values for all operating parameters with the exception of the RS232 and LAN parameters SYSTem VERSion Descripti...

Page 33: ...d in either upper or lower case Note Only the last command entered of each category will be executed As a command string is pro cessed by the 4421 each category of command is stored in a separate loca...

Page 34: ...rement results are returned in Watts Function Sets the 4421A to auto range legacy command to provide compatibility with previous 4421 units Remarks Auto is the only range setting available Function Se...

Page 35: ...9W CR LF Overflowed forward carrier wave prefixes off URC 000W CR LF Underflowed U reflected carrier wave RC prefixes on Function Selects the condition which will trigger a reading see Table 8 Remarks...

Page 36: ...onnectors RS 485 Sensor Ethernet Serial RS 232 2 1 1 Environment Operating Temperature 0 to 40 C 32 to 104 F Storage Temperature 10 to 50 C 1 month 10 to 35 C 6 months 10 to 25 C 6 months Note Storage...

Page 37: ...The measurement accuracy includes the factory calibration uncertainty 1 year of drift short term repeatability and temperature affects over the specified range Conditions for Measurement Harmonics 35...

Page 38: ...RF Calibration Kit 28 Figure 13 Sensor Accuracy Vs Load VSWR...

Page 39: ...of the 4421A making it easy to find the perfect viewing angle The 4421A can be mounted anywhere from 1 2 up to 9 1 2 depth in a rack in increments of 1 4 All Rack Mount assembly hardware and rack moun...

Page 40: ...in Figure 15 and attaching hardware listed below Figure 15 Rack Kit Contents Assembly Instructions Attaching Hardware Quantity Description VESA Bracket Hardware 3 4 flat washers 3 8mm Torx Screws Asse...

Page 41: ...ork surface see Figure 17 Figure 17 Pan Tilt Assembly Attachment 2 Position the Horizontal Bracket over the Pan Tilt Assembly Note Multiple holes in the Horizontal Bracket allow for the vertical adjus...

Page 42: ...ation Attach the Assembly to the Rack using six 6 of the appropriate Rack Mounting Hardware Figure 19 Rack Instalation The Rack Hardware Kit provides various screws and nuts for the four most common t...

Page 43: ...the slots on the 4421A VESA Mount over the tabs on the top of the Pan Tilt Assembly Figure 20 Attach 4421A to Rack Mount 2 Insert the peg on the VESA Mount into the hole on the Pan Tilt Assembly 3 Tig...

Page 44: ...ry such claim for breach of these warranties shall be deemed to be waived by Buyer unless made in writing within ten days from the date of discovery of the defect The above warranties shall not extend...

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