Fractus BAR mxtend TM Antenna Booster
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1 Fractus BAR mxtend TM Antenna Booster A standard antenna solution for mobile frequency bands GSM850, GSM900, GSM1800/DCS, GSM1900/PCS, UMTS LTE700, LTE800, LTE850, LTE900, LTE1700, LTE1800, LTE1900, LTE2000, LTE2100, LTE2300, LTE2500, and LTE2600 (LTE 1-10, LTE 12-20, LTE 23, LTE 25-30, LTE 33-41, LTE 44) BAR mxtend TM Antenna Booster FR01-S4-232 Fractus products are protected by Fractus patents. Information about Fractus patents: All information contained within this document is property of Fractus and is subject to change without prior notice. Information is provided as is and without warranties. It is prohibited to copy or reproduce this information without prior approval. Fractus is an ISO 9001:2008 certified company. All our antennas are lead-free and RoHS compliant. July 2015 Page FRACTUS, S.A.
2 INDEX OF CHAPTERS 1. PRODUCT DESCRIPTION FR01-S EVALUATION BOARD 3 PORTS ( MHz, MHz, MHz) 5 3. EVALUATION BOARD 1 PORT ( MHz and MHz) CAPABILITIES AND MEASUREMENT SYSTEMS MECHANICAL CHARACTERISTICS FR01-S ASSEMBLY PROCESS PACKAGING 23 July 2015 Page FRACTUS, S.A.
3 TABLE OF CONTENTS 1. PRODUCT DESCRIPTION FR01-S EVALUATION BOARD 3 PORTS ( MHz, MHz, MHz) QUICK REFERENCE GUIDE EVALUATION BOARD 3 PORTS 6 3. EVALUATION BOARD 1 PORT ( MHz and MHz) QUICK REFERENCE GUIDE EVALUATION BOARD 1 PORT ( MHz AND MHz) CAPABILITIES AND MEASUREMENT SYSTEMS MECHANICAL CHARACTERISTICS FR01-S DIMENSIONS, TOLERANCES, AND RoHS COLOUR RANGE FOR THE INK RECOMMENDED FOOTPRINT FOR THE FR01-S RECOMMENDED FOOTPRINT FOR THE FR01-S4-232 DOUBLE BOOSTER ASSEMBLY PROCESS PACKAGING 23 July 2015 Page FRACTUS, S.A.
4 1. PRODUCT DESCRIPTION FR01-S4-232 The Fractus BAR mxtend TM Antenna Booster has been specifically designed for providing multiband performance in wireless devices (in particular in mobile devices), enabling worldwide coverage by allowing operation in the communication standards GSM850, GSM900, GSM1800/DCS, GSM1900/PCS, UMTS, LTE700, LTE800, LTE850, LTE900, LTE1700, LTE1800, LTE1900, LTE2000, LTE2100, LTE2300, LTE2500, and LTE2600. TOP BOTTOM APPLICATIONS BENEFITS Handsets High efficiency Smartphones Small size Tablets Cost-effective Phablets Easy-to-use (pick and place) Laptop PCs Netbooks Multiband behaviour (worldwide standards) Modules Routers Off-the-Shelf Standard Product (no customization is required) ebooks The BAR mxtend TM Antenna Booster belongs to the new generation of antenna solutions based on the Virtual Antenna TM technology developed by Fractus. The technology is mainly focused on replacing conventional antenna solutions by miniature and standard components capable of enabling operation in the main mobile communication bands. July 2015 Page FRACTUS, S.A.
5 2. EVALUATION BOARD 3 PORTS ( MHz, MHz, MHz) 2.1. QUICK REFERENCE GUIDE Technical features MHz MHz MHz Average Efficiency > 45.0 % > 40.0 % > 75.0 % Peak Gain 1.3 dbi 0.3 dbi 3.8 dbi VSWR < 3:1 Radiation Pattern Polarization Weight (approx.) Omnidirectional Linear 0.21 g Temperature -40 to + 85 ºC Impedance Dimensions (L x W x H) mm x 3.2 mm x 3.2 mm Table 1 - Technical features. Measures from the Evaluation Board (133 mm x 60 mm x 1 mm) (Figure 1). Note that for obtaining comparable results, a ground plane length larger than 100 mm is recommended. Comments: Note that in this case the Evaluation Board (Figure 1) integrates two BAR mxtend TM Antenna Boosters that are placed together to provide operation at LTE700 ( MHz). Please see Figure 10 for the recommended footprint. The efficiency measures (Figure 3) are shown from 700 MHz due to the minimum frequency specifications of the Satimo STARGATE 32 anechoic chamber. July 2015 Page FRACTUS, S.A.
6 2.2. EVALUATION BOARD 3 PORTS This Evaluation Board (part number: EB_FR01-S4-232-UFL3R) integrates UFL cables to connect the BAR mxtend TM Antenna Booster with the SMA connector. It works from 698 MHz to 798 MHz, from 824 MHz to 960 MHz, and from 1710 MHz to 2690 MHz. Figure 1 EB_FR01-S4-232-UFL3R. Evaluation Board providing operation in 3 frequency ranges, 698 MHz to 798 MHz, 824 MHz to 960 MHz, and 1710 MHz to 2690 MHz. Measure mm A 133 B 120 C 60 D 3.3 Tolerance:±0.2 mm D: Distance between the BAR mxtend TM Antenna Booster and the ground plane. Material: The Evaluation Board is built on FR4 substrate. Thickness is 1 mm. This product is protected by at least the following patent PAT. US 8,203,492, PAT. US 8,736,497 and other domestic and international patents pending. Any update on new patents linked to this product will appear in MATCHING NETWORK The specs of a Fractus standard product are measured in their Evaluation Board, which is an ideal case. In a real design, components nearby the antenna, LCD s, batteries, covers, connectors, etc. affect the antenna performance. This is the reason why it is highly recommended to place 0402 pads for a matching network as close as possible to the feeding point. Do it in the ground plane area, not in the clearance area. This provides a degree of freedom to tune the BAR mxtend TM Antenna Booster once the design is finished and taking into account all elements of the system (batteries, displays, covers, etc.). Please notice that different devices with different ground planes and different components nearby the BAR mxtend TM Antenna Booster may need a different matching network. To ensure optimal results, the use of high Q and tight tolerance components is highly recommended (Murata components). July 2015 Page FRACTUS, S.A.
7 MHz MHz MHz Figure 2 - Matching networks implemented in the Evaluation Board 3 ports. (Figure 1). These matching networks apply to this Evaluation Board. Other configurations would require a matching network adjustment. Please contact info@fractus.com for more information related to the antenna booster matching service. July 2015 Page FRACTUS, S.A.
8 VSWR AND TOTAL EFFICIENCY VSWR (Voltage Standing Wave Ratio) and Total Efficiency versus Frequency (GHz). Figure 3 VSWR and Total Efficiency for the MHz range, for the MHz range, and for the MHz range from the Evaluation Board 3 ports (Figure 1). July 2015 Page FRACTUS, S.A.
9 TRANSMISSION COEFFICIENT Figure 4 Transmission coefficient for the MHz range (LTE), for MHz range (LFR), and for the MHz range (HFR) (from the Evaluation Board 3 ports) (Figure 1). July 2015 Page FRACTUS, S.A.
10 RADIATION PATTERNS ( MHz), GAIN, AND EFFICIENCY Measurement System Set-Up Evaluation Board in Plane XY θ=90º Plane XY at 750 MHz = 0º Plane XZ at 750 MHz = 90º Plane YZ at 750 MHz Peak Gain 1.3 dbi Gain Average Gain across the band 0.3 dbi Gain Range across the band (min, max) -0.6 <-> 1.3 dbi Peak Efficiency 63.1 % Efficiency Average Efficiency across the band 55.5 % Efficiency Range across the band % Table 2 Antenna Gain and Total Efficiency from the Evaluation Board (Figure 1) within the MHz range. Measures made in the Satimo STARGATE 32 anechoic chamber. July 2015 Page FRACTUS, S.A.
11 RADIATION PATTERNS ( MHz), GAIN, AND EFFICIENCY Measurement System Set-Up Evaluation Board in Plane XY θ=90º Plane XY at 890 MHz = 0º Plane XZ at 890 MHz = 90º Plane YZ at 890 MHz Peak Gain 0.3 dbi Gain Average Gain across the band -0.3 dbi Gain Range across the band (min, max) -2.2 <-> 0.3 dbi Peak Efficiency 58.0 % Efficiency Average Efficiency across the band 49.8 % Efficiency Range across the band 33.0 <-> 58.0 % Table 3 Antenna Gain and Total Efficiency from the Evaluation Board (Figure 1) within then MHz range. Measures made in the Satimo STARGATE 32 anechoic chamber. July 2015 Page FRACTUS, S.A.
12 RADIATION PATTERNS ( MHz), GAIN, AND EFFICIENCY Measurement System Set-Up Evaluation Board in Plane XY θ=90º Plane XY at 1.71 GHz, 2.2 GHz and 2.69 GHz =0º Plane XZ at 1.71 GHz, 2.2 GHz and 2.69 GHz =90º Plane YZ at 1.71 GHz, 2.2 GHz and 2.69 GHz Peak Gain 3.8 dbi Gain Average Gain across the band 3.1 dbi Gain Range across the band (min, max) 1.9 <->3.8 dbi Peak Efficiency 87.9 % Efficiency Average Efficiency across the band 79.3 % Efficiency Range across the band 65.9 <-> 87.9 % Table 4 Antenna Gain and Total Efficiency from the Evaluation Board (Figure 1) within the MHz range. Measures made in the Satimo STARGATE 32 anechoic chamber. July 2015 Page FRACTUS, S.A.
13 3. EVALUATION BOARD 1 PORT ( MHz and MHz) 3.1. QUICK REFERENCE GUIDE Technical features MHz MHz Average Efficiency > 50.0 % > 65.0 % Peak Gain 0.7 dbi 2.9 dbi VSWR < 3:1 Radiation Pattern Polarization Omnidirectional Linear Weight (approx.) 0.21 g. Temperature -40 to + 85 ºC Impedance Dimensions (L x W x H) mm x 3.2 mm x 3.2 mm Table 5 Technical Features. Measures from the Evaluation Board (133 mm x 60 mm x 1 mm) (Figure 5). Note that for obtaining comparable results, a ground plane length larger than 100 mm is recommended. Comments: Note that for obtaining comparable results, a ground plane length larger than 100 mm is recommended. July 2015 Page FRACTUS, S.A.
14 3.2. EVALUATION BOARD 1 PORT ( MHz and MHz) This Evaluation Board (part number: EB_FR01-S4-232-UFL2R-1P) integrates two mxtend TM Antenna Boosters to provide operation in two frequency regions, from 824 MHz to 960 MHz and from 1710 MHz to 2690 MHz. The two BAR mxtend TM Antenna Boosters are connected between them through a 50 ohms impedance transmission line, in such a way that a single input/output port is provided. A UFL cable connects this single input/output port to the SMA connector. Measure mm A 133 B 120 C 60 D 3.3 Tolerance: ±0.2 mm D: Distance between the Antenna Booster and the ground plane. Figure 5 EB_FR01-S4-232-UFL2R-1P. Evaluation Board 1 port providing operation in 2 frequency ranges, MHz and MHz. Material: The Evaluation Board is built on FR4 substrate. Thickness is 1 mm. This product is protected by at least the following patents PAT. US 8,203,492, PAT. US 8,237,615 and other domestic and international patents pending. Any update on new patents linked to this product will appear in MATCHING NETWORK The specs of a Fractus standard product are measured in their Evaluation Board, which is an ideal case. In a real design, components nearby the antenna, LCD s, batteries, covers, connectors, etc. affect the antenna performance. This is the reason why it is highly recommended to place 0402 pads for a matching network as close as possible to the feeding point. Do it in the ground plane area, not in the clearance area. This provides a degree of freedom to tune the BAR mxtend TM Antenna Booster once the design is finished and taking into account all elements of the system (batteries, displays, covers, etc.). Please notice that different devices with different ground planes and different components nearby the BAR mxtend TM Antenna Booster may need a different matching network. To ensure optimal results, the use of high Q and tight tolerance components is highly recommended (Murata components). July 2015 Page FRACTUS, S.A.
15 MHz and MHz Figure 6 - Matching network implemented in the Evaluation Board 1 port (Figure 5). Please note that the matching network includes a 50 ohms impedance micro coaxial transmission line having a length of 75 mm. To ensure optimal results, good grounding between the transmission line shielding and the ground plane is highly recommended. This matching network applies to this Evaluation Board. Other configurations would require a matching network adjustment. Please contact info@fractus.com for more information related to the antenna booster matching service VSWR AND TOTAL EFFICIENCY VSWR (Voltage Standing Wave Ratio) and Total Efficiency versus Frequency (GHz). Figure 7 - VSWR and Total Efficiency for the MHz frequency range and for the MHz frequency range (from the Evaluation Board) (Figure 5). July 2015 Page FRACTUS, S.A.
16 RADIATION PATTERNS ( MHz), GAIN, AND EFFICIENCY Measurement System Set-Up Evaluation Board in Plane XY θ=90º Plane XY at 890 MHz =0º Plane XZ at at 890 MHz =90º Plane YZ at 890 MHz Peak Gain 0.7 dbi Gain Average Gain across the band 0.3 dbi Gain Range across the band (min, max) -0.5 <-> 0.7 dbi Peak Efficiency 60.6 % Efficiency Average Efficiency across the band 55.3 % Efficiency Range across the band % Table 6 - Antenna Gain and Total Efficiency from the Evaluation Board (Figure 5) within the MHz frequency range. Measures made in the Satimo STARGATE 32 anechoic chamber. July 2015 Page FRACTUS, S.A.
17 RADIATION PATTERNS ( MHz), GAIN, AND EFFICIENCY Measurement System Set-Up Evaluation Board in Plane XY θ=90º Plane XY at 1.71 GHz, 2.2 GHz and 2.69 GHz =0º Plane XZ at 1.71 GHz, 2.2 GHz and 2.69 GHz =90º Plane YZ at 1.71 GHz, 2.2 GHz and 2.69 GHz Peak Gain 2.9 dbi Gain Average Gain across the band 2.3 dbi Gain Range across the band (min, max) 1.0 <-> 2.9 dbi Peak Efficiency 77.5 % Efficiency Average Efficiency across the band 68.7 % Efficiency Range across the band % Table 7 - Antenna Gain and Total Efficiency from the Evaluation Board (Figure 5) within the MHz frequency range. Measures made in the Satimo STARGATE 32 anechoic chamber. July 2015 Page FRACTUS, S.A.
18 Return Los s (db) 4. CAPABILITIES AND MEASUREMENT SYSTEMS Fractus specialises in designing and manufacturing optimised antennas for wireless applications and providing our clients with RF expertise. We offer turn-key antenna products and antenna integration support to minimise your time requirement and maximize your return on investment during your product development efforts. We also provide our clients with the opportunity to leverage our in-house testing and measurement facilities to obtain accurate results quickly and efficiently. VSWR & S Parameters VSWR=2 Le ft Ante nna Right Ante nna Is olation -16 Agilent E5071B Frequency (GHz) Radiation Pattern & Efficiency SATIMO STARGATE 32 Anechoic chambers and full equipped in-house lab July 2015 Page FRACTUS, S.A.
19 5. MECHANICAL CHARACTERISTICS FR01-S DIMENSIONS, TOLERANCES, AND RoHS TOP SIDE BOTTOM Figure 8 BAR mxtend TM Antenna Booster dimensions and tolerances Dimension mm Dimension mm A 10.0±0.2 B 3.2±0.2 C 0.5±0.1 D 1.5±0.1 H (Height) , -0.1 The 2 pads are fully symmetrical to mount it on the PCB. See Figure 11. The BAR mxtend TM Antenna Booster FR01-S4-232 is compliant with the restriction of the use of hazardous substances (RoHS). The RoHS certificate can be downloaded from COLOUR RANGE FOR THE INK The next figure shows the range of the colours in the BAR mxtend TM Antenna Booster: Acceptable colour range July 2015 Page FRACTUS, S.A.
20 5.3. RECOMMENDED FOOTPRINT FOR THE FR01-S4-232 Assuming that the BAR mxtend TM Antenna Booster FR01-S4-232 is placed in the clearance area of the PCB, see below the recommended footprint dimensions. Measure mm A 1.7 B 6.8 C 3.4 Tolerance: ±0.1 mm Clearance Area Ground plane Area Matching network + 50 ohm feeding line Figure 9 Footprint dimensions for the single booster For additional support in the integration process, please contact info@fractus.com 5.4. RECOMMENDED FOOTPRINT FOR THE FR01-S4-232 DOUBLE BOOSTER Measure mm A 1.7 B 6.8 C 3.4 D 3.3 Tolerance: ±0.1 mm Clearance Area Ground plane Area Matching network + 50 ohm feeding line Figure 10 Footprint dimensions for the double booster For additional support in the integration process, please contact info@fractus.com July 2015 Page FRACTUS, S.A.
21 6. ASSEMBLY PROCESS Figure 11 shows the back and front view of the BAR mxtend TM Antenna Booster FR01-S Due to the symmetry in the product configuration, the feeding pad can be any of the 2 pads. Mounting Pad (2): solder the BAR mxtend TM Antenna Booster mounting pad to the soldering pad on the PCB. This pad must NOT be grounded. 1 2 Figure 11 Pads of the BAR mxtend TM Antenna Booster FR01-S4-232 As a surface mount device (SMD), the BAR mxtend TM Antenna Booster is compatible with industry standard soldering processes. The basic assembly procedure for the BAR mxtend TM Antenna Booster is as follows: Feed Pad (1): The 2 pads are fully symmetrical. Once the feeding pad is selected (1), the other pad (2) will become a mounting pad. Align the feed pad with the feeding line on the PCB. See section Apply a solder paste on the pads of the PCB. Place the BAR mxtend TM Antenna Booster on the board. 2. Perform a reflow process according to the temperature profile detailed in Table 8, Figure After soldering the BAR mxtend TM Antenna Booster to the circuit board, perform a cleaning process to remove any residual flux. Fractus recommends conducting a visual inspection after the cleaning process to verify that all reflux has been removed. The drawing below shows the soldering details obtained after a correct assembly process: BAR mxtend TM Antenna Booster BAR mxtend TM Antenna Booster Solder Paste ~ 0.1* mm PCB PCB Figure 12 - Soldering Details NOTE(*): Solder paste thickness after the assembly process will depend on the thickness of the soldering stencil mask. A stencil thickness equal or larger than 127 microns (5 mils) is required. July 2015 Page FRACTUS, S.A.
22 The BAR mxtend TM Antenna Booster FR01-S4-232 can be assembled following the Pb-free assembly process. According to the Standard IPC/JEDEC J-STD-020C, the temperature profile suggested is as follows: Phase Profile features Pb-Free Assembly (SnAgCu) RAMP-UP Avg. Ramp-up Rate (Tsmax to Tp) 3 ºC / second (max.) PREHEAT REFLOW PEAK - Temperature Min (Tsmin) - Temperature Max (Tsmax) - Time (tsmin to tsmax) - Temperature (TL) - Total Time above TL (tl) - Temperature (Tp) - Time (tp) 150 ºC 200 ºC seconds 217 ºC seconds 260 ºC seconds RAMP-DOWN Rate 6 ºC/second max. Time from 25 ºC to Peak Temperature 8 minutes max. Table 8 Recommended soldering temperatures Next graphic shows temperature profile (grey zone) for the BAR mxtend TM Antenna Booster assembly process reflow ovens. Figure 13 Temperature profile July 2015 Page FRACTUS, S.A.
23 7. PACKAGING The BAR mxtend TM Antenna Booster FR01-S4-232 is delivered in tape and reel packaging. Measure mm Ao 3.4±0.1 Bo 10.3±0.1 Ko 3.4±0.1 W 24.0±0.3 P 8.0±0.1 P0 4.0±0.1 P2 2.0±0.1 E 1.75±0.1 F 11.5±0.1 T 0.4±0.05 Figure 14 Tape dimensions Figure 15 Image of the tape Reel Capacity: 2000 pcs Measure mm A G tmax Figure 16 Reel Dimensions and Reel Capacity July 2015 Page FRACTUS, S.A.
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