BIRD SMK-3000 Series User Manual
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BIRD SMK-3000 Series User Manual

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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.

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  • 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 3 Safety Precautions Safety Precautions The following are general safety precautions that are not necessarily related to any specific part or procedure, and do not necessarily appear elsewhere in this publication. These precautions must be thoroughly understood and apply to all phases of operation and maintenance. WARNING Keep Away From Live Circuits Operating Personnel must at all times observe general safety precautions.

  • Page 4: Safety Symbols

    RF Calibration Kit Safety Symbols WARNING Highlights an essential operating or maintenance 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 or maintenance procedure, practice, condition, statement, etc, which, if not strictly observed, could result in damage to, or destruction of, equipment or loss of mission effectiveness.

  • Page 5: Warning Statements

    See page 15, 17, and 18. WARNING To avoid personal injury, disconnect the power cord from the AC line before performing any maintenance. See page 18. WARNING The Bird 4421A contains no user-serviceable parts. Do not open the cover. See page 18.

  • Page 6: Caution Statements

    Do not use harsh or abrasive detergents for cleaning. See page 18. CAUTION Due to the complexity of the Bird Power Sensor, field repairs should not be attempted. Removal or disturbance of the power sensor cover can result in cancellation of the warranty.

  • Page 7: Safety Statements

    Safety Precautions Safety Statements USAGE ANY USE OF THIS INSTRUMENT IN A MANNER NOT SPECIFIED BY THE MANUFACTURER MAY IMPAIR THE INSTRUMENT’S SAFETY PROTECTION. EL USO DE ESTE INSTRUMENTO DE MANERA NO ESPECIFICADA POR EL FABRICANTE, PUEDE ANULAR LA PROTECCIÓN DE SEGURIDAD DEL INSTRUMENTO. BENUTZUNG WIRD DAS GERÄT AUF ANDERE WEISE VERWENDET ALS VOM HERSTELLER BESCHRIEBEN, KANN DIE GERÄTESICHERHEIT BEEINTRÄCHTIGT WERDEN.

  • Page 8: About This Manual

    RF Calibration Kit About This Manual This manual covers the operating & maintenance instructions for the following models: SMK-3003A 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.

  • Page 9: Table Of Contents

    Table of Contents Safety Precautions ..............i Safety Symbols .
  • Page 10 Bird 4421A Power Meter Specifications ........

  • Page 11: Chapter 1 Introduction

    RF Calibration Kit The Bird RF Calibration Kit is meant for operation wherever RF power must be measured at high accuracy and high power levels. Additionally, the sensors may be used as a standard to calibrate general field power sensors. 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.

  • Page 12: Rf Power Sensor Theory Of Operation

    Some advanced features are also available through the USB interface, such as modifying the factory calibration. 4421A RF Power Meter The 4421A RF Power Meter is used to display the measurements of the Bird RF Power Sensors in the RF Calibration Kit. The 4421A is equipped with a touchscreen interface.

  • Page 13: Chapter 2 Equipment Description

    The power sensors may be connected to a Bird 4421A RF Power Meter or 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.

  • Page 14: Power Sensor Rf / Interface Connectors

    RF Calibration Kit Power Sensor RF / Interface Connectors The RF Power Sensors have the following connectors. Figure 3 RF Power Sensor Connectors Item Name Description RF Power Sensors are supplied with N-type, male, RF input RF Input Connector connectors. USB interface connector provides the capability of controlling the power sensor using Standard Commands for Programmable USB Interface Connector...

  • Page 15: 4421A Rf Power Meter Equipment Description

    Equipment Description 4421A RF Power Meter Equipment Description The 4421A RF Power Meter is capable of displaying the measurement information from an RF Power Sensor, see Figure 4. The measurements maybe be displayed alone, or with an accompanying graph. The display may be configured to display the following sensor measurements: ...

  • Page 16: 4421A Controls And Indicators

    RF Calibration Kit 4421A Controls and Indicators Figure 5 Power Meter Item Indicator Description Displays RF Power Sensor information and acts as the user Display/Touch Screen interface. Used to apply and remove power from the unit. Illuminated ring indicates power is applied to the unit. •...

  • Page 17: Display Controls And Indicators

    Equipment Description Display Controls and Indicators The display is used for presenting information and controlling the behavior of the 4421A. The controls are those items displayed on the screen, that, when tapped cause a change in the 4421A’s behavior. Controls can be identified by their color, on screen controls are yellow.
  • Page 18 RF Calibration Kit The settings menu is used to configure what measurement information is Settings Menu displayed, and to configure LAN and Serial Port settings. See "Settings Menu" on page - When button is on, indicates range scale is set to auto. - When button is off, indicates range scale is in manual control, Auto Range see item 5.

  • Page 19: Settings Menu

    Equipment Description Settings Menu The settings menu is used to select what information will appear on the 4421A’s display as well as configuration of the LAN and Serial Ports. Figure 7 describes the options available via the setting menu. Figure 7 Settings Menu Item Title...

  • Page 20: Graph Settings Menu

    RF Calibration Kit Graph Settings Menu The Graph Settings menu is accessed by tapping the power scale on the graph. Figure 8 describes the options in the Graph Settings menu. Figure 8 Graph Settings Menu Item Title Description Text entry boxes for the entry of Min and Max range for the Power Scale Range on the Graph.

  • Page 21: Remote Interfaces

    Remote interface capabilities offer control and measurement reporting over the interfaces. Ethernet Interface The Ethernet interface uses a standard RJ-45 connector. The Bird 4421A’s Ethernet interface serves two purposes. Webpage User Interface — the webpage user interface provides for firmware updates and touchscreen calibration reset.

  • Page 22: Rs-232 Serial Interface

    RF Calibration Kit RS-232 Serial Interface The Bird 4421A’s RS-232 interface feature is provided to allow remote measurement control. The RS-232 interface uses a standard 9-pin connector. The commands available for this interface are provided in Chapter 5, 4421A SCPI Commands on page 18...

  • Page 23: Rs-232 Cable Connector

    Request to Send Looped back to pin 7 Ring Indicator Not connected The 4421A supports legacy RS-232 commands (used by Bird’s legacy 4421 Power Meter) and SCPI compliant commands over RS-232 or Ethernet.  4421A SCPI Commands - 4421A SCPI commands used RS-232 or Ethernet interfaces. See "4421A SCPI...

  • Page 24: Chapter 3 Setup

    Note: This will ensure that the battery remaining % is accurate going forward. Setup Setup consists of ensuring the 4421A has a power source, internal batteries or AC power source, and attaching a Bird Power Sensor. ...
  • Page 25 Setup Sensor RF Connections Connect the end of the power sensor labeled “SOURCE” to the RF source. Connect the end labeled “LOAD” to the load or antenna. Reversing these connections will cause measurement errors. WARNING Never attempt to connect or disconnect RF equipment from the transmission line while RF power is applied.

  • Page 26: Vesa Mount

    RF Calibration Kit VESA Mount The 4421A is designed to attach a VESA mount with two 75mm spacing holes. There are two screw locations located on the rear of the 4421A enclosure, see Figure Mounting Hardware The following hardware is required (not supplied) to mount the 4421A. ...

  • Page 27: Chapter 4 Operating Instructions

    "Setup" on page 14 for additional information regarding setup of the 4421A. 1. Press Power button on the Bird 4421A power meter side panel. 2. The 4421A takes approximately 30 seconds to complete the boot-up sequence. 3. If required, connect the AC power cable to the 4421A.

  • Page 28: Chapter 5 4421A Scpi Commands

    Chapter 5 4421A SCPI Commands 4421A Standard Commands for Programmable Instruments (SCPI) commands are used to control the 4421A over Ethernet or RS-232 serial interface. 4421A SCPI Command Syntax A command is made up of one or more keywords. Consecutive keywords are separated with colons (:). The keywords are followed by a parameter.
  • Page 29 4421A SCPI Commands Table 4 Data Types Data Type Description Maps to Internal Signed integer numeric response data. <NR1> PARAM_TYPE_SIGNED_INTEGER Examples: 123, +456, -789 Floating point numeric response data <NR2> without exponent. Examples: 1.23, +4.56, - PARAM_TYPE_FLOAT 0.789 Arbitrary 7-bit ASCII response data. Not <arbitrary_ascii>...

  • Page 30: 4421A Scpi Commands

    Parameter Values — Parameter Units — Returns device identification in the following format: Response — BIRD-TECHNOLOGIES,{model},{serial number},{firmware revision} Measure Commands MEASure[:SCALar][:POWer][:FORWard]:AVERage? [1 or 2] Description — initiate, and retrieve a forward average power measurment. The sensor channel to read (1 or 2) is omitted, channel 1 is returned.
  • Page 31 4421A SCPI Commands System Commands SYSTem:IDENtity:FWRev? Description — Get the firmware revision(s). Parameter Type — <arbitrary_ascii> Parameter Minimum — Parameter Maximum — Parameter Default — Parameter Values — Parameter Units — Response — Reads the MCU firmware revision. SYSTem:IDENtity:MODel? Description — Get the device model name.
  • Page 32 RF Calibration Kit SYSTem:PRESet Description — Restores factory settings without changing the RS232 or LAN settings. Parameter Type — Parameter Minimum — Parameter Maximum — Parameter Default — Parameter Values — Parameter Units — Response — Restore factory default values for all operating parameters with the exception of the RS232 and LAN parameters.

  • Page 33: Chapter 6 Legacy Rs-232 Commands

    4421A, the measurements will come exclusively from channel 1 (Sensor 1). Legacy Command Syntax The Bird 4421A accepts two types of commands. General bus commands are commands, such as Enter (ENT), that apply to any RS-232 interfaced device. Device-dependent commands are specific to the 4421A.

  • Page 34: Device Dependent Commands

    “FC”,”RC” indicates the measurement type.  “U” indicates underflow; the value sent is “.000”.  “O” indicates overflow; the value sent is “199.9”.  “N” indicates normal; the value sent is a normal on- scale reading.  “4421” indicates the Bird model number.
  • Page 35 Legacy RS-232 Commands Table 7 Prefix Examples Data String Description NFC.0.123W(CR)(LF) Normal (N) forward carrier wave (FC), prefixes on OFC 199.9W(CR)(LF) Overflowed (O) forward carrier wave (FC), prefixes 199.9W(CR)(LF) Overflowed forward carrier wave, prefixes off .000W(CR)(LF) Underflowed (U) reflected carrier wave (RC), prefixes on Triggers (Tx)

  • Page 36: Chapter 7 Specifications

    Chapter 7 Specifications Bird 4421A Power Meter Specifications Note: The RF Calibration Kit is intended for indoor use only. Compatible Bird Power 4021, 4022, 4023, 4024, 4025, 4027, 4028, SMK-3003-XX Sensors Sensor Detection Automatic Sensor detection Two sensors may be connected and measurements displayed simultaneously.

  • Page 37: Power Sensor Specifications

    Specifications Power Sensor Specifications Electrical Specifications Connectors Input Type-N male, hexagonal, QC, Changeable Output Type-N female, QC, Changeable Frequency Range SMK-3003-LB 1 – 10 MHz SMK-3003-MB 10 – 100 MHz SMK-3003-HB 100 – 1000 MHz Power Range 1W - 1000W Directivity 28 dB Insertion Loss...
  • Page 38 RF Calibration Kit Figure 13 Sensor Accuracy Vs. Load VSWR...

  • Page 39: 4421A Rack Mounting Kit

    4421A Rack Mounting Kit The Bird 4421A Rack Mounting Kit lets you mount the 4421A into any EIA standard 19" rack. The pan/tilt feature allows four direction movement of the 4421A, making it easy to find the perfect viewing angle.

  • Page 40: Rack Mount Kit Assembly

    RF Calibration Kit Rack Mount Kit Assembly This section provides unpacking, inspection, and assembly instructions for the 4421A Rack Mount Kit. Rack Mount Kit Contents The Rack mount kit includes the brackets and sub-assembly shown in Figure 15 and attaching hardware listed below.
  • Page 41 Optional Rack Mount Attach VESA Bracket to the 4421A 1. Lay the 4421A face down on a flat work surface. 2. Position the VESA bracket on the rear panel of the 4421A enclosure. See Figure Figure 16 Attach VESA Bracket 3.
  • Page 42 RF Calibration Kit Depth Bracket Attachment Note: The holes in the Depth Brackets determine how far into the rack the 4421A will be when mounted to the Rack Mount Assembly. 1. Secure one of the Depth Brackets to the Horizontal Bracket using two 10-32 Flat Head Screws. 2.

  • Page 43: Attach 4421A To Rack Mount

    Optional Rack Mount Attach 4421A to Rack Mount The VESA bracket attached to the 4421A allows the unit to easily connect and disconnect with the rack mount. 1. Position 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.

  • Page 44: Limited Warranty

    Limited Warranty All products manufactured by Seller are warranted to be free from defects in material and workmanship for a period of one (1) year, unless otherwise specified, from date of shipment and to conform to applicable specifications, draw- ings, blueprints and/or samples. Seller’s sole obligation under these warranties shall be to issue credit, repair or replace any item or part thereof which is proved to be other than as warranted;...

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