Sterling-LWB Module APPLICATION GUIDE Sterling-LWB Module APPLICATION GUIDE Last updated May 5, 2016 The information in this document is subject to change without notice.
Sterling-LWB Module APPLICATION GUIDE Table of Contents 1 Introduction .......................................................................................................................... 3 1.1 1.2 Purpose & Scope ....................................................................................................................... 3 Applicable Documents ...............................................................................................................
Sterling-LWB Module APPLICATION GUIDE 1 Introduction 1.1 Purpose & Scope The purpose of this document is to provide details regarding the design and integration of certified antennas to the Sterling-LWB module. It covers all four certified off module antenna options, which consist of a ceramic chip, LSR dipole, LSR FlexNotch, and LSR FlexPIFA antenna. It will inform the designer as to the required PCB details required to retain the LSR modular certification for the Sterling-LWB module. 1.
Sterling-LWB Module APPLICATION GUIDE 2 Sterling-LWB Module and Accessories The Sterling-LWB Module is a System in Package (SIP) module. The Sterling-LWB module is certified with several off module antennas. Part Number LSR 450-0159 LSR 450-0159R LSR 450-0159C Johanson 2450AT18D0100 Description Sterling-LWB Module Sterling-LWB Module, Tape & Reel Sterling-LWB Module, Cut Tape 2.4 GHz Ceramic Chip Antenna LSR 001-0014 2.4 GHz FlexPIFA Antenna with U.FL Cable LSR 001-0015 2.
Sterling-LWB Module APPLICATION GUIDE 3 PCB Layout Requirements Since this module and its associated set of approved antennas has been certified by the FCC and Industry Canada (IC) as a Modular Radio, the end user is authorized to integrate this module into an end-product, and is solely responsible for the Unintentional Emissions levels produced by the end-product.
Sterling-LWB Module APPLICATION GUIDE 4 Reference Designs In order to use the modular certification for your design, it is critical that the reference design is correctly followed. This section describes the details of using a PCB that is a 4-layer stack up. The full 4-layer Chip Antenna PCB reference design is shown in Figure 1, Schematic Figure 2, and Bill of Materials Table 2. The full 4-layer U.
Sterling-LWB Module APPLICATION GUIDE Figure 1 Chip Antenna Reference Design through Figure 4. 2.4 GHz Chip Antenna Implementation When using the certified Chip Antenna (Johanson Part Number 2450AT18D0100), the PCB layout shown in Chip Antenna The information in this document is subject to change without notice.
Sterling-LWB Module APPLICATION GUIDE Figure 1 Chip Antenna Reference Design should be followed. It is acceptable to either populate or remove the U.FL circuitry J1 on any of the designs. * RF components that cannot be substituted are shown in Table 21. The information in this document is subject to change without notice.
Sterling-LWB Module APPLICATION GUIDE 2.4 GHz U.FL Implementation (external antenna) When using any of the certified antennas, the PCB layout shown in Error! Reference source not found. should be followed. Component J1 should be populated as shown in the schematic. * RF components that cannot be substituted are shown in Table 3. The information in this document is subject to change without notice.
Sterling-LWB Module APPLICATION GUIDE 4.1 Chip Antenna Figure 1 Chip Antenna Reference Design The information in this document is subject to change without notice.
Sterling-LWB Module APPLICATION GUIDE Figure 2 Chip Antenna Reference Design Schematic The information in this document is subject to change without notice.
Sterling-LWB Module APPLICATION GUIDE Qty PCB Ref 1 1 2 1 1 1 1 1 1 1 1 1 ANT1 C1 C2 C3 C4 C5 C6 D1 J1 L2 L1 L3 M1 POP Optional NP NP Value Tolerance 1.0pF 2.2uF 10pF 2.7pF 2.0pF +/- 0.25pF +/- 20% +/- 5% ±0.25pF +/- 0.25pF 2.0nH 2.0nH 2.7nH +/- 0.1nH +/- 0.1nH +/- 0.
Sterling-LWB Module APPLICATION GUIDE 4.2 U.FL (External Antenna) Figure 3 U.FL (External Antenna) Reference Design The information in this document is subject to change without notice.
Sterling-LWB Module APPLICATION GUIDE Figure 4 U.FL (External Antenna) Reference Design Schematic The information in this document is subject to change without notice.
Sterling-LWB Module APPLICATION GUIDE Qty PCB Ref 1 1 2 1 1 1 1 1 1 1 1 1 ANT1 C1 C2 C3 C4 C5 C6 D1 J1 L2 L1 L3 M1 POP Optional NP NP NP NP NP Value Tolerance 1.0pF 2.2uF 10pF 2.7pF 2.0pF +/- 0.25pF +/- 20% +/- 5% ±0.25pF +/- 0.25pF 2.0nH 2.0nH 2.7nH +/- 0.1nH +/- 0.1nH +/- 0.
Sterling-LWB Module APPLICATION GUIDE 5 Sterling-LWB Approved Antenna Specifications 5.1 External Antenna Connector Either the LSR 2.4 GHz Dipole Antenna with Reverse Polarity SMA Connector and U.FL to SMA Cable, the LSR 2.4 GHz FlexPIFA, or the 2.4 GHz FlexNotch Antenna are used in conjunction with the Hirose PCB mounted U.FL connector to provide an externally mounted antenna solution for the Sterling-LWB module. 5.1.1 U.FL Connector Drawing Figure 5 U.
Sterling-LWB Module APPLICATION GUIDE 5.2 Chip Antenna Specifications The Johanson 2450AT18D0100 Ceramic Chip Antenna provides an off-module, PCB mounted, antenna solution for the Sterling-LWB module. The antenna on the Sterling-LWB evaluation platform is positioned on the PCB to allow maximum performance while using a minimum amount of board space. 5.2.1 Mechanical Dimensions Figure 6 Chip Antenna Dimensions The information in this document is subject to change without notice.
Sterling-LWB Module APPLICATION GUIDE 5.3 Chip Antenna Typical Radiation Patterns EIRP (dBm) - Vertical Polarization at 2437.0 (MHz) Theta (deg) 20 60 10 0 150 EIRP (dBm) - Horizontal Polarization at 2437.0 (MHz) 15 30 45 60 75 90 105 120 135 150 165 90 120 30 -10 60 10 0 150 30 -10 0 210 330 240 300 10 0 30 -10 0 210 180 330 240 avg: 16.0 (dBm) EIRP Summary (dBm) at 2437.0 (MHz) 60 150 0 210 300 330 240 270 max: +19.
Sterling-LWB Module APPLICATION GUIDE 5.4 LSR FlexPIFA Antenna Specifications Specification Value Manufacturer and Part Number LSR 001-0014 Peak Gain 2.0 dBi Type Flexible Planar Inverted F Antenna (FlexPIFA) Polarization Linear Frequency 2400-2480 MHz Table 4 LSR FlexPIFA Antenna Specifications 5.4.1 LSR 2.4 GHz FlexPIFA Mechanical Dimensions Figure 8 LSR 2.4 GHz FlexPIFA Antenna Dimensions Visit the LSR web site http://www.lsr.com for further information on the LSR FlexPIFA Antenna.
Sterling-LWB Module APPLICATION GUIDE 5.5 LSR FlexNotch Antenna Specifications Specification Value Manufacturer and Part Number LSR 001-0015 Peak Gain 2.0 dBi Type Flexible Notch Antenna (FlexNotch) Polarization Linear Frequency 2400-2480 MHz Table 5 LSR FlexNotch Antenna Specifications 5.5.1 LSR 2.4 GHz FlexNotch Mechanical Dimensions Figure 9 LSR 2.4 GHz FlexNotch Antenna Dimensions Visit the LSR web site http://www.lsr.com for further information on the LSR FlexNotch Antenna.
Sterling-LWB Module APPLICATION GUIDE 5.6 LSR Dipole Antenna Specifications The LSR 2.4 GHz Dipole Antenna is used in conjunction with the LSR U.FL to Reverse Polarity SMA Cable, and the Hirose PCB mounted U.FL connector (Figure 5), to provide an externally mounted antenna solution for the Sterling-LWB module. Specification Value Manufacturer and Part Number LSR 001-0001 Gain +2 dBi Impedance 50 ohms, Nominal Type Dipole Polarization Linear Vertical VSWR ≤2.
Sterling-LWB Module APPLICATION GUIDE 5.6.1 Mechanical Dimensions Figure 10 LSR 2.4 GHz Dipole Antenna Dimensions Visit the LSR web site http://www.lsr.com for further information on the LSR Dipole Antenna The information in this document is subject to change without notice.
Sterling-LWB Module APPLICATION GUIDE 6 EMC Compliance 6.1 Summary The Sterling-LWB module has been tested and approved as a Modular Radio in accordance with the appropriate FCC and IC standards. The supporting test data may be found in the modular test report. Since this module and its associated set of approved antennas have been certified as a Modular Radio, this allows the end user to integrate this module into an end-product without the requirement of recertifying the radio module.
Sterling-LWB Module APPLICATION GUIDE 6.4 Module Integration Considerations - Circuit Implementation It is recommended that all connection PCB (printed circuit board) traces to the power supply and digital control terminal be as short as possible. Though not necessarily required in all cases, it is a best practice to provide an optional shunt capacitor placement at the module pin on all active and routed power supply and digital control lines.
Sterling-LWB Module APPLICATION GUIDE 6.7 Agency Certifications FCC ID: TFB-1003, 15.247 IC ID: 5969A-1003, RSS 247 CE: Compliant to standards EN 60950-1, EN 300 328, and EN 301 489 6.8 Agency Statements Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
Sterling-LWB Module APPLICATION GUIDE Industry Canada Statements This Device complies with Industry Canada License-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
Sterling-LWB Module APPLICATION GUIDE 6.
Sterling-LWB Module APPLICATION GUIDE 6.10 OEM Labeling Requirements For End-Product The Sterling-LWB module is labeled with its own FCC ID and IC Certification Number. The FCC ID and IC certification numbers are not visible when the module is installed inside another device, as such the end device into which the module is installed must display a label referring to the enclosed module.
Sterling-LWB Module APPLICATION GUIDE 6.11 OEM End-Product User Manual Statements The OEM integrator should not to provide information to the end user regarding how to install or remove this RF module or change RF related parameters in the user manual of the end product.
Sterling-LWB Module APPLICATION GUIDE 7 Contacting LSR Headquarters LS Research, LLC W66 N220 Commerce Court Cedarburg, WI 53012-2636 USA Tel: (262) 375-4400 Fax: (262) 375-4248 Website www.lsr.com Technical Support forum.lsr.com Sales Contact sales@lsr.com The information in this document is provided in connection with LS Research (hereafter referred to as “LSR”) products.