skyworks solutions, inc. ? phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com 200027 rev. a skyworks proprietary information products and product information are subject to change without notice. december 6, 2004 1 SKY13267-321, SKY13267-321lf gaas t/r diversity switch lf?6 ghz preliminary data sheet applications 802.11a/b/g transmit/receive diversity switch features broadband: lf?6 ghz very low insertion loss: 0.8 db typ. @ 5.2 ghz p 1 db : +30 dbm typical @ 3 v low distortion: ip3 +44 dbm typical @ 3 v low current consumption: < 15 a @ 3 v miniature qfn-12 package figure 1. functional block diagram tx rx ant2 ant1 description the SKY13267-321 is a monolithic dpdt switch fabricated using skyworks solutions? proprietary gaas phemts as the switching elements. this wideband switch operates with rf signals from lf?6 ghz. the rf signal paths within the SKY13267-321 are fully bilateral. switching is controlled via two control voltage inputs, which are compatible with cmos logic levels. depending upon the logic voltage level applied to the control voltage pins, the tx input pin is connected to one of two antenna ports (ant1 or ant2) via a low insertion loss path, while the path between the rx pin is connected to the other antenna port. when the control voltages are toggled, the connections between the tx input and rx output pins and the antenna ports are toggled as well. dc power consumption is very low, 15 a maximum with control voltage of 5 v. the switch can operate over the temperature range of -40 c to 85 c. this part is available in a lead (pb)-free package as part number SKY13267-321lf. an evaluation board is available upon request. . skyworks offers lead (pb)-free ?environmentally friendly? packaging that is rohs compliant (european parliament for the restriction of hazardous substances). new
skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com december 6, 2004 skyworks proprietary information products and product information are subject to change without notice. 200027 rev. a preliminary data sheet ? SKY13267-321 2 parameter condition frequency min. typ. max. unit insertion loss ant1, ant2 to tx, rx ports 2.400?2.500 ghz 07 1.0 db 5.150?5.350 ghz 0.8 1.1 db 5.725?5.825 ghz 0.9 1.2 db isolation ant1, ant2 to tx, rx ports 2.400?2.500 ghz 30 32 db 5.150?5.350 ghz 23 25 db 5.725?5.825 ghz 21 23 db ant1 to ant2, tx to rx ports 2.400?2.500 ghz 23 db 5.150?5.350 ghz 20 db 5.725?5.825 ghz 20 db return loss ant1, ant2 to tx, rx ports 2.400?2.500 ghz 22 db 5.150?5.350 ghz 19 db 5.725?5.825 ghz 17 db table 1. electrical specifications (v ctl = 0 v/3v, t = 25 c, p input = 0 dbm, z o = 50 ? , unless otherwise noted) parameter condition frequency min. typ. max. unit switching characteristics rise, fall 10/90% or 90/10% rf 20 ns on, off 50% v ctl to 90/10% rf 40 ns video feedthru pulse rise time = 1 ns, 50 mv measurement bw = 500 mhz error vector magnitude 802.11a, ofdm, 64 qam, 54 mbps, 5.8 ghz 1% p in 27 dbm input third order intermodulation intercept for two input tones. +15 dbm each tone, 2.4 ghz 49 dbm 5 mhz spacing, v high = 3 v 5.2 ghz 44 dbm thermal resistance 25 c/w control voltage v low = 0 v @ 10 a max. v high = 3 v to 5 v @ 15 a max. table 2. operating characteristics (v ctl = 0 v/3v, t = 25 c, p input = 0 dbm, z o = 50 ? , unless otherwise noted) characteristic value control voltage range -0.2 v c 8 v rf input power @ 0/3v 32 dbm rf input power @ 0/5v 34 dbm storage temperature range -65 c to +150 c operating temperature range -40 c to +85 c table 3. absolute maximum ratings performance is guaranteed only under the conditions listed in the specifications table and is not guaranteed under the full range(s) described by the absolute maximum specifications. exceeding any of the absolute maximum/minimum specifications may result in permanent damage to the device and will void the warranty. caution: although this device is designed to be as robust as possible, electrostatic discharge (esd) can damage this device. this device must be protected at all times from esd. static charges may easily produce poten- tials of several kilovolts on the human body or equipment, which can discharge without detection. industry-standard esd precautions must be employed at all times.
preliminary data sheet SKY13267-321 skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com 200027 rev. a skyworks proprietary information products and product information are subject to change without notice. december 6, 2004 3 frequency ( g hz) in s ertion lo ss (db) -2.0 -1.8 -1. 6 -1.4 -1.2 -1.0 -0.8 -0. 6 -0.4 -0.2 0 01 3 5 24 6 a2-rx a2-tx a1-rx a1-tx frequency ( g hz) i s olation (db) 01 23 45 6 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 frequency ( g hz) return lo ss (db) 01 23 45 6 -50 -40 -45 -35 -30 -25 -20 -15 -10 -5 0 a1-rx a1-tx a2-rx a2-tx frequency ( g hz) i s olation (db) 01 23 45 6 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 ant2-tx ant1-rx ant2-rx ant1-tx typical performance data figure 2. insertion loss vs. frequency figure 3. isolation vs. frequency figure 5. return loss vs. frequency figure 4. isolation, tx - rx/ant1 - ant2 vs. frequency
skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com december 6, 2004 skyworks proprietary information products and product information are subject to change without notice. 200027 rev. a preliminary data sheet SKY13267-321 4 figure 6. pin out top view tx rx gnd v 1 v 2 c block c block c block c block 123 456 12 11 10 987 a nt2 gnd a nt1 figure 7. qfn-12 package outline 0.008 (0.20 mm) seating plane 0.118 (3.00 mm) pin 1 indicator pin 1 indicator 0.118 (3.00 mm) 0.001 (0.02 mm) 0.030 (0.75 mm) 0.002 (0.05 mm) exposed pad 0.029 (0.73 mm) 0.017 (0.435 mm) sq. 0.007 (0.180 mm) 0.0196 (0.50 mm) bsc 0.057 (1.45 mm) sq. + 0.004 (0.10 mm) - 0.006 (0.15 mm) 0.022 (0.55 mm) 0.004 (0.10 mm) 0.009 (0.23 mm) + 0.003 (0.07 mm) - 0.002 (0.05 mm) v 1 v 2 low insertion loss paths v low v high ant1 - t x , ant2 - r x v high v low ant2 - t x , ant1 - r x v low v low not allowed v high v high not allowed table 4. truth table 1 pin number pin name description 1, 2, 8, 9 not connected 3v 1 control voltage 1 ? control voltage input #1. the logic level voltage applied to this pin, along with the level voltage applied to pin 7, determines the states of the rf paths between the tx, rx, ant1 and ant2 ports 4 ant1 rf input/output ? rf input/output port which is either connected via a low insertion loss path to the tx or rx port, according to the logic levels applied to v 1 and v 2 6 ant2 rf input/output ? rf input/output port which is either connected via a low insertion loss path to the tx or rx port, according to the logic levels applied to v 1 and v 2 5, 11 gnd equipotential point - internal circuit common, which must be connected to the pcb ground or common via the lowest possible impedance 7v 2 control voltage 2 ? control voltage input #2. the logic level voltage applied to this pin, along with the level voltage applied to pin 3, determines the states of the rf paths between the tx, rx, ant1 and ant2 ports 10 r x rf output ? rf output port which is typically connected to the input of a receiver signal path 12 t x rf input ? rf input port which is typically connected to the output of a transmitter signal path table 5. pin descriptions 1. 3 v v high 5 v , 0 v low 0.2 v. c block = 4.7 pf
preliminary data sheet SKY13267-321 skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com 200027 rev. a skyworks proprietary information products and product information are subject to change without notice. december 6, 2004 5 figure 8. SKY13267-321 evaluation circuit tx rx v 1 v 2 ant2 ant1 n/ c n/ c c blo c k c blo c k c blo c k c blo c k evaluation board the evaluation board for SKY13267-321 allows the part to be fully exercised. note that blocking capacitors are required on each rf port (tx, rx, ant1 and ant2). the state of the SKY13267-321 is controlled by applying the appropriate logic level voltages to ports v 1 and v 2 , per table 4. component description default c block dc blocking capacitor 4.7 pf, size 0402 u1 SKY13267-321 gaas t/r-diversity switch tx, rx, ant1, ant2 sma connectors table 6. evaluation board components
skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com december 6, 2004 skyworks proprietary information products and product information are subject to change without notice. 200027 rev. a preliminary data sheet SKY13267-321 6 copyright ? 2002, 2003, 2004, skyworks solutions, inc. all rights reserved. information in this document is provided in connection with skyworks solutions, inc. (?skyworks?) products. these materials are pr ovided by skyworks as a service to its customers and may be used for informational purposes only by the customer. skyworks assumes no responsibility for errors or omissions in these materi als. skyworks may make changes to its documentation, products, specifications and product descriptions at any time, without notice. skyworks makes no commitment to update the information and s hall have no responsibility whatsoever for conflicts, incompatibilities, or other difficulties arising from future changes to its documentation, products, specifications and product de scriptions. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by or under this document . except as may be provided in skyworks terms and conditions of sale for such products, skyworks assumes no liability whatsoever in association with its documentation, products, specifications a nd product descriptions. these materials are provided ?as is? without warranty of any kind, either express or implied or otherwise, relating to sale and/or use of skyworks products including warranties relating to fitness for a particular purpose, merchantability, performance, quality or non-infringement of any patent, c opyright or other intellectual property right. skyworks further does not warrant the accuracy or completeness of the information, text, graphics or other items c ontained within these materials. skyworks shall not be liable for any damages, including special, indirect, incidental, or consequential damages, including without l imitation, lost revenues or lost profits that may result from the use of these materials whether or not the recipient of materials has been advised of the possi bility of such damage. skyworks products are not intended for use in medical, lifesaving or life-sustaining applications. skyworks customers using or se lling skyworks products for use in such applications do so at their own risk and agree to fully indemnify skyworks for any damages resulting from such improper use or sale. the following are trademarks of skyworks solutions, inc.: skyworks?, the skyworks logo, and breakthrough simplicity?. product names or services listed in this publication are for identification purposes only, and may be trademarks of skyworks or other third parties. third-party brands and names are the property of their r espective owners. additional information, posted at www.skyworksinc.com, is incorporated by reference.
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