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skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 101432d ? skyworks proprietary and confiden tial information ? products and produc t information are subject to change witho ut notice ? november 22, 2004 1 data sheet SKY42054: 1700 C 2200 mhz high dynamic range, diversity receiver front end applications ? pcs/dcs/umts communications ? mobile radio systems ? wireless local loops (wlls) ? wireless local area networks (wlans) ? industrial, scientific, medical (ism) band features ? high iip3 mixer and lna ? wideband rf input frequency range (1700 to 2200 mhz) ? single or two-channel applications ? use with lna-mixer cascaded or mixer-only ? bias selectable lna/mixer functions ? integrated solid state attenuator ? cmos-compatible control interfaces ? 5 v supply operation ? operating range ofC40 c to +85 c ? supports frequency hopping applications ? pqfp (24-pin, 11 x 11 mm) package description skyworks SKY42054 is an integrated, high-dynamic range, low- noise receiver down converter for two-channel diversity systems. the device is fabricated using skyworks highly reliable gaas metal semiconductor field-effect transistor (mesfet) technology. the SKY42054 includes a low noise amplifier (lna), followed by a double-balanced active mixer. dual local oscillator (lo) inputs are selected using an external switch interface. the internal attenuator is integrated with the lna. the attenuator function is also controlled using an externally controlled cmos-compatible interface. figure 1 shows a functional block diagram for the SKY42054. the 24-pin, 11 x 11 mm plastic quad flat pack (pqfp) device package and pinout are shown in figure 2. signal pin assignments and functional pin descriptions are provided in table 1. rf a lna lna attenuator attenuator rf balun rf balun rf b attn control lo 1 lo 2 lo select ir filter ir filter if a if b c124 9 lna lna amp figure 1. SKY42054 functional block diagram
data sheet ? SKY42054 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 2 november 22, 2004 ? skyworks proprietary and confidential information ? pr oducts and product inform ation are subject to ch ange without notice ? 101432d 1 24 23 22 21 20 19 789101112 2 3 4 5 6 18 17 16 15 14 13 c1250 gnd lo_1 attn lo_sel lo_2 vss lna_inb l_gndb l_outb mgndb m_inpb m_innb lna_in a l_gnda l_outa mgnda m_inpa m_inna ifna ifpa lo_gnd vdd ifpb ifnb figure 2. SKY42054 pinout C 24-pin pqfp package (top view) table 1. SKY42054 signal descriptions pin # name description pin # name description 1 gnd ground 13 ifnb channel b negative differential mixer if output 2 lo_1 local oscillator 1 input for channels a and b 14 ifpb channel b positive differential mixer if output 3 attn channels a and b attenuator control 15 vdd positive supply voltage 4 lo_sel lo_1/lo_2 select control 16 lo_gnd local oscillator ground 5 lo_2 local oscillator 2 input for channels a and b 17 ifpa channel a positive differential mixer if output 6 vss negative supply voltage 18 ifna channe l a negative differential mixer if output 7 lna_inb channel b lna input 19 m_inna ch annel a negative differential mixer input 8 l_gndb channel b lna ground 20 m_inpa channel a positive differential mixer input 9 l_outb channel b lna output 21 mgnda channel a mixer ground 10 mgndb channel b mixer ground 22 l_outa channel a lna output 11 m_inpb channel b positive differential mixer input 23 l_gnda channel a lna ground 12 m_innb channel b negative differential mixer input 24 lna_ina channel a lna input technical description the SKY42054 consists of two identical channels (a and b), specifically designed for the purpose of diversity in base station applications. each channel consists of a single-ended lna and a double- balanced differential mixer. the lnas share a common cmos- compatible attenuator control switch, which bypasses the lna, providing 20 db of attenuation. each channel shares two independent lo signals (lo1 and lo2) selected using a common cmos-compatible control signal. with this ability, the SKY42054 can be used in frequency hopping applications. the lnas and mixers are independently biased. this allows design flexibility with power management functions in base station receivers. package and handling information since the device package is sensitive to moisture absorption, it is baked and vacuum packed before shipping. instructions on the
data sheet ? SKY42054 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 101432d ? skyworks proprietary and confiden tial information ? products and produc t information are subject to change witho ut notice ? november 22, 2004 3 shipping container label regarding exposure to moisture after the container seal is broken must be followed. otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. if the part is attached in a reflow oven, the temperature ramp rate should not exceed 10 c per second. maximum temperature should not exceed 225 c and the time spent at a temperature that exceeds 210 c should be limited to less than 10 seconds. if the part is manually attached, precaution should be taken to ensure that the part is not subjected to a temperature that exceeds 300 c for more than 10 seconds. care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. production quantities of this product are shipped in a standard tape and reel format. for packaging details, refer to the skyworks application note, tape and reel , document number 101568. electrical and mechanical specifications the absolute maximum ratings of the SKY42054 are provided in table 2 and the recommended operating conditions provided in table 3. electrical characteristics of the SKY42054 are provided in table 4. table 5 provides additional electrical specifications for full channel performance. typical performance characteristics of the SKY42054 are illustrated in figures 3 through 9. figure 14 provides the package dimensions for the 24-pin pqfp, and figure 15 provides the tape and reel dimensions. electrostatic discharge (esd) sensitivity the SKY42054 is a static-sensitive electronic device. do not operate or store near strong electrostatic fields. take proper esd precautions. table 2. SKY42054 absolute maximum ratings (t a = +25 c, unless otherwise noted) parameter symbol min typical max units positive dc power supply vdd +5.5 v negative dc power supply vss C6.0 v power dissipation p d 2.25 w input power p in +15 dbm thermal resistance r th +25 c/w operating case temperature t opr C40 +85 c storage case temperature t stg C40 +125 c note : exposure to maximum rating conditions for extended periods may reduce device reliability. there is no damage to device with o nly one parameter set at the limit and all other parameters set at or below their nominal values. table 3. SKY42054 recommended operating conditions parameter symbol min typical max units positive dc supply voltage vdd +4.75 +5.0 +5.25 v negative dc supply voltage vss C4.75 C5.0 C5.25 v operating case temperature t opr C40 +85 c
data sheet ? SKY42054 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 4 november 22, 2004 ? skyworks proprietary and confidential information ? pr oducts and product inform ation are subject to ch ange without notice ? 101432d table 4. SKY42054 electrical characteristics (+25 c, voltage supply = 5 v, lo = 0 dbm, rf frequency = 1900 mhz, if frequency = 135 mhz, mixer bias = 55 ma) parameter test condition min typical max units low noise amplifier gain 13.5 14.4 db noise figure 2.3 2.7 db input ip3 14.6 16.2 dbm C1 db compression point 2 5.5 dbm rf rf input frequency 1700 2200 mhz rf input (note 1) 1.5:1 2.0:1 vswr rf output (note 1) 1.5:1 2.0:1 vswr mixer (note 2) conversion gain C1.5 +1.5 db single side band noise figure 10.5 13.0 db input ip3 22 25 dbm rf to if leakage C35 dbm lo to if leakage C40 dbm C1 db compression point 1/2 if product suppression +11 +15 C70 C60 dbm dbc local oscillator lo input frequency 1700 2200 mhz lo input (note 1) 1.5:1 2.0:1 vswr lo level input C5 0 +5 dbm intermediate frequency if output frequency 50 250 mhz if output (note 1) 1.5:1 2.0:1 vswr note 1: in a 50 ? system obtained with external matching components on input/o utput ports. see figure 10, and ta bles 6 and 7 for matching networ k configuration and element values. note 2 : include rf balun and if transformer losses.
data sheet ? SKY42054 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 101432d ? skyworks proprietary and confiden tial information ? products and produc t information are subject to change witho ut notice ? november 22, 2004 5 table 5. full channel performance (+ 25 c, voltage supply = 5 v, lo = 0 dbm, rf frequency = 1900 mhz, if frequency = 135 mhz, image reject filter loss = 1.5 db) parameter test condition min typical max units rf input (note 1) 1.5:1 vswr noise figure (note 2) 3.3 4.9 db gain (note 3) 11.6 14.4 db input ip3 (note 4) 7.5 10.7 dbm 1 db compression point (note 5) C3.6 +2.1 dbm 1/2 if product suppre ssion C65 C55 dbc channel a to b isolation 35 40 db lo leakage at rf input C35 C30 dbm lo1 to lo2 isolation 30 35 db supply current @ +5.0 v, both channels supply current @ C5.0 v, both channels 340 10 360 15 ma ma note 1 : in a 50 ? system obtained with external matching network on lna and mixe r input ports. see figure 10, and tables 6 and 7 for network ele ments and frequency ranges. note 2 : calculated using the following equation: ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? + + = ? ? ? ? ? ? ? ? ? ? 10 g 10 1 10 loss nf 10 10 10 nf log 10 nf lna irfilter mixer lna cascaded note 3 : calculated using the following equation: mixer irfilter lna cascaded g loss g gain conversion + ? = note 4: calculated using the following equation: () ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? + ? ? ? ? ? ? ? ? ? ? = 1 10 3 iip 10 1 10 loss g 3 iip 10 1 log 10 3 iip lna irfilter lna mixer note 5: calculated using the following equation: less is whichever p or loss g p p lna db irfilter lna mixer db system db ), ( )) ( ( , 1 , 1 , 1 ? ? = figure 3. lna (iip3 = +19 dbm, input power = C15 dbm) figure 4. mixer with high side lo (iip3 = +20 dbm, input power = C10 dbm)
data sheet ? SKY42054 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 6 november 22, 2004 ? skyworks proprietary and confidential information ? pr oducts and product inform ation are subject to ch ange without notice ? 101432d figure 5. mixer with low side lo (iip3 = +20 dbm, input power = C10 dbm) 35 12 10 14 13 16 15 19 20 17 55 60 40 45 50 bias resistor ( ohms ) mixer bias current (ma) 11 18 figure 7. mixer bias current vs bias resistor (ra1, rb1) 21 35 40 45 50 25 26 22 23 24 13 17 18 14 15 16 mixer bias current ( ma ) iip3 (dbm) p1db ( dbm ) 55 60 iip3 p1db figure 9. mixer iip3 and +1 db compression point vs bias current 6 2 0 10 14 16 1800 1900 2000 1700 frequency (mhz) gain/iip3 (db/dbm) 2.4 2.2 2.0 2.6 2.8 3.0 nf (db) 4 1850 1750 1950 8 12 gain iip3 nf figure 6. lna gain, nf, and iip3 vs frequency (values obtained with a 1900 mhz input match ) C0.5 40 35 mixer bias current (ma) conversion gain (db) nf (db) 45 50 55 60 C0.7 C0.9 C1.1 C1.3 C1.5 14.5 15.0 14.0 13.5 13.0 12.5 12.0 noise figure conversion gain figure 8. mixer conversion gain vs bias current
data sheet ? SKY42054 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 101432d ? skyworks proprietary and confiden tial information ? products and produc t information are subject to change witho ut notice ? november 22, 2004 7 evaluation board description the SKY42054 evaluation board is used to test the performance of the SKY42054 mixer and lna. an evaluation board schematic diagram is shown in figure 10. the schematic shows the basic design of the evaluation board for the rf range of 1800 to 2000 mhz. the if matching circuitry has been optimized for 100 to 200 mhz. tables 6 and 7 contain i/o matching network components used in the schematic for rf and if frequencies, respectively. figure 11 displays the evaluation board layout. circuit design configurations the following design considerations are general in nature and must be followed regardless of final use or configuration: 1. paths to ground should be made as short as possible. 2. the downset paddle of the pqfp provides necessary electrical grounding and is the main thermal conduit for heat dissipation. any printed circuit board using the SKY42054 must have sufficient solder mask clearance beneath the ic (i.e., approximately 110 percent of the downset paddle). this provides adequate solder coverage for the downset paddle and minimizes excessive lead standoff. multiple vias to the grounding layer beneath the device are required for maximum thermal relief. 3. the inclusion of external bypass capacitors on the vss and vdd voltage inputs of the lnas and mixers is recommended. the application schematic in figure 10 shows these capacitors (1000 pf and 12 pf) in shunt with each control switch, as well as the vss supply. the 1000 pf capacitor serves as a low frequency bypass, while the 12 pf capacitor prevents any rf signals from coupling on to the dc supply voltages. it is recommended that the bypass capacitors be placed as close as possible to the SKY42054 for best results. 4. the lna receives its bias voltage via the lna output pin. the use of a blocking capacitor (rf short) on the lna input/output and mixer input is required. 5. ceramic or wire-wound balanced transformers (baluns) may be used to provide the differential input to the active mixer. the secondary center tap of these baluns provides the dc return path for the mixer bias current. balun selection criterion should include dc current handling capability, differential phase/amplitude balance, insertion loss, and temperature performance. 6. the application of an image-reject filter between the lna and mixer is recommended. 7. for proper switching of the control interface circuits, the following conditions must be met: off: 0 vdc v in 0.5 vdc @ 30 a on: 3.0 vdc v in vdd @ 120 a 8. resistors ra1 and rb1 are required but should not be less than 10 ? . lna testing procedure use the following procedure to set up the SKY42054 evaluation board for lna testing. refer to figure 12 for guidance: 1. set all the dip switches to off. for information on the switch settings, refer to table 8. 2. connect the SKY42054 evaluation board to 5 vdc power supplies using insulated supply cables. vdd should be set to +5.0 v and vss to C5.0 v. if available, enable the current limiting function of the power supplies as follows: + 5 vdc supply current limit = 200 ma C5 vdc supply current limit = 50 ma connect red and yellow banana plugs to vdd, a purple plug to vss, and a black plug to ground. connect a three-slot plug to the side (jp1) and a two-slot plug to the top (jp2). 3. connect a signal generator to the lna a input port (j1). set the generator to the desired rf frequency at a power level of C20 dbm, but do not enable. 4. connect a spectrum analyzer to the output port of lna a (j2). 5. enable the power supply by turning switches #2 and #4 on. 6. enable the rf signal and take measurements. 7. repeat steps 3 through 6 for lna b, but use switches #4 and #5 to enable the power supply. mixer testing procedure use the following procedure to set up the SKY42054 evaluation board for mixer testing. refer to figure 13 for guidance: 1. set all the dip switches to off. for information on the switch settings, refer to table 8. 2. connect the SKY42054 evaluation board to 5 vdc power supplies using insulated supply cables. vdd should be set to +5.0 v and vss to C5.0 v. if available, enable the current limiting function of the power supplies as follows: + 5 vdc supply current limit = 200 ma C5 vdc supply current limit = 50 ma connect red and yellow banana plugs to vdd, a purple plug to vss, and a black plug to ground. connect a three-slot plug to the side (jp1) and a two-slot plug to the top (jp2). 3. connect a signal generator to the lo1 input port (j9). set the generator to the desired lo frequency at a power level of 0 dbm, but do not enable. 4. connect a signal generator to the mixer a input port (j3). set the generator to the desired rf frequency at a power level of 0 dbm, but do not enable. 5. connect a spectrum analyzer to the output port of mixer a (j4). 6. enable the power supply by turning switches #1 and #4 on.
data sheet ? SKY42054 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 8 november 22, 2004 ? skyworks proprietary and confidential information ? pr oducts and product inform ation are subject to ch ange without notice ? 101432d 7. enable lo1 by turning switch #6 on. 8. enable the lo signal, then enable the rf signal and take measurements. 9. repeat steps 4 through 8 for mixer b, but use switches #3 and #4 to enable the power supply. if lo2 is desired, turn switch #6 off and connect the lo signal generator to the lo2 input port (j10). caution : if any of the input signals exceed the rated maximum values, the SKY42054 evaluation board can be permanently damaged. lo_select mixer_in_b if_out_b switch 1-2 switch 1-7 switch 1-6 switch 1-5 mixer_in_a if_out_a monitor sw 1-5 sw 1-7 atten_ctl sw 1-4 sw 1-3 sw 1-1 sw 1-6 sw 1-2 lo1_in lna_out_a lna_out_b lo2_in lna_in_a lna_in_b 1 24 23 22 21 20 19 5 1 3 2 4 2 3 4 5 6 18 17 16 15 14 13 25 7 8 9 10 11 12 4 2 3 1 5 1 1 1 1 1 1 1 1 2 12 3 4 5 6 7 14 13 12 11 10 9 8 1 ca1 22 pf c5 22 pf c2 12 pf c3 12 pf c6 22 pf cb1 22 pf cb15 1.5 pf cb6 1000 pf cb2 12 pf cb9 2.0 pf xb1 10 pf cb5 12 pf cb7 1000 pf c1 1000 pf c7 12 pf lb1 4.7 nh lb2 4.7 nh lb4 68 nh la4 68 nh xb2 1.2 nh d1 1n4736a-010 j2 sma j1 sma jp2 header 2 jp1 header 3 j9 sma j10 sma ca16 dni xa3 0.5 pf j5 sma t4 tc4-1w j6 sma j7 sma rb1 10 ? sw1 sw dip-7 t1 ldb15c500a1900 ldb15c500a1900 d2 1n4736a-010 l2 dni j3 sma la1 4.7 nh la2 4.7 nh ca6 12 pf xa2 1.2 nh ca9 2.0 pf xa1 10 pf C5v +5 v C5 v c1255 c10 1.5 pf cb16 dni xb3 0.5 pf ca15 1.5 pf ca9 1.5 pf ca6 1000 pf ca2 12 pf ca7 1000 pf l1 dni t3 cb8 12 pf cb10 1000 pf cb4 dni c8 12 pf c4 1000 pf ca8 12 pf ca10 1000 pf ca4 dni switch 1-3 switch 1-4 switch 1-1 1 j8 sma 1 j4 sma 6 4 3 2 1 t2 tc4-1w 6 4 3 2 1 ra1 10 ? 1 1 2 3 gnd lna_ina l_gnda l_outa mgnda m_inpa m_inna lna_inb l_gndb l_outb mgndb m_inpb m_innb lo_1 attn lo_sel lo_2 vss ifna ifpa lo_gnd vdd ifpb ifnb SKY42054 figure 10. SKY42054 application schematic
data sheet ? SKY42054 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 101432d ? skyworks proprietary and confiden tial information ? products and produc t information are subject to change witho ut notice ? november 22, 2004 9 table 6. input/output matching network components (rf frequency) rf frequency la1, lb1 ca1, cb1 ca15, cb15 t1, t2 xa1, xb1 xa2, xb2 xa3, xb3 1700-1900 mhz 4.7 nh 22 pf 1.5 pf ld b15c500a1747 22 pf 3.3 nh 1.0 pf 1800-2000 mhz (note 1) 4.7 nh 22 pf 1.5 pf ldb15c500a1900 10 pf 1.2 nh 0.5 pf 2000-2200 mhz 4.7 nh 22 pf 1.5 pf ldb15c500a2100 0 ? 2.7 pf dni note 1 : standard evaluation kit tw10-d212 is optimized for the 1800 to 2000 mhz frequency range. the sc hematic diagram shown in figur e 10 applies to evaluation kit tw10-d212. table 7. input/output matching network components (if frequency) if frequency la4, lb4 ca4, cb4 50-100 mhz 68 nh dni 100-200 mhz 68 nh dni j1 j2 j3 j4 d1 sw1 jp2 t2 t1 t3 jp1 d2 j8 j7 j6 j5 j10 j9 c9 la1 lb1 lb2 cb9 cb2 cb6 xb1 xb2 xb3 lb4 cb4 ra1 ca7 ca5 ca9 la2 c5 la4 xa2 xa3 ca6 ca4 ca9 ca10 c8 c4 cb8 cb10 ca2 xa1 ca15 ca16 cb15 cb16 c6 c7 c2 c3 cb5 rb1 cb7 ca1 cb1 c10 l1 l2 t4 u1 c1272 figure 11. SKY42054 evaluation board layout
data sheet ? SKY42054 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 10 november 22, 2004 ? skyworks proprietary and confidential information ? pr oducts and product inform ation are subject to ch ange without notice ? 101432d j1 j2 j3 j4 jp2 +5 vdc gnd C5 vdc jp1 j8 j7 j6 j5 j10 j9 c1316a rf signal generator spectrum analyzer power supply dip switch settings for lna a on 1234567 dip switch settings for lna b on 1234567 figure 12. SKY42054 evaluation board lna testing configuration table 8. SKY42054 switch pack description switch name description #1 v mix_a on enables mixer a #2 v lna_a on enables lna a #3 v mix_b on enables mixer b #4 vdd on enables vdd #5 v lna_b on enables lna b #6 v los elect on selects lo1, off selects lo2 #7 v attenuator on enables attenuation
data sheet ? SKY42054 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 101432d ? skyworks proprietary and confiden tial information ? products and produc t information are subject to change witho ut notice ? november 22, 2004 11 j1 j2 j3 j4 jp2 +5 vdc gnd C5 vdc jp1 j8 j7 j6 j5 j10 j9 c1317a rf signal generator rf signal generator spectrum analyzer power supply dip switch settings for mixer a on 1234567 dip switch settings for mixer b on 1234567 figure 13. SKY42054 evaluation board mixer testing configuration
data sheet ? SKY42054 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 12 november 22, 2004 ? skyworks proprietary and confidential information ? pr oducts and product inform ation are subject to ch ange without notice ? 101432d pin #1 11.07 0.15 0.254 5 o ~ 7 o 8 o ~ 10 o 0.05 ~ 0.15 0.15 min. 0.25 r2.54 min. seating plane gauge plane 0.43 ~ 0.75 detail a 6.35 ref detail a 8.00 0.10 8.00 0.10 11.07 0.15 2.00 0.05 c1251 all measurements are in millimeters 0.51 ref figure 14. SKY42054 24-pin pqfp package dimensions c1271 16.00 0.10 0.330 0.013 8 o max 11.43 0.10 5 o max 11.35 0.10 2.29 0.10 4.00 0.10 1.50 0.10 1.50 0.25 2.00 0.10 1.75 0.1 0 24.00 +0.30/-0.10 11.50 0.10 notes: 1. carrier tape: black conductive polycarbonate or polystyrene. 2. cover tape material: transparent conductive psa. 3. cover tape size: 21.3 mm width. 4. all measurements are in millimeters. a b b b a a pin #1 indicator figure 15. SKY42054 24-pin pqfp tape and reel dimensions
data sheet ? SKY42054 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 101432d ? skyworks proprietary and confiden tial information ? products and produc t information are subject to change witho ut notice ? november 22, 2004 13 ordering information model name manufacturing part numb er evaluation kit part number SKY42054 diversity receiver front end SKY42054-11 tw10-d212 copyright ? 2002, 2004, skyworks solutions, inc. all rights reserved. information in this document is provided in connection with skyw orks solutions, inc. (skywork s) products. these materials are provided by skyworks as a serv ice to its customers and may be used for informational purposes only by the customer. skyworks assumes no responsibilit y for errors or omissions in these mater ials. 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 shall have no responsibilit y whatsoever for conflicts, incompatibilities, or other difficulties aris ing from future changes to its documentat ion, products, specif ications and product descriptions. no license, express or implied, by estoppel or otherwise, to an y intellectual property rights is granted by or under this docum ent. 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, specification s and product descriptions. these materials are provided as is without warranty of any ki nd, either express or implied or otherwise, relating to sale and /or use of skyworks products including warranties relating to fitness for a particular purpos e, merchantability, performance, quality or non-infringement of any patent, copyright or other intellectual property right. skyworks further does not warrant the accuracy or completeness of the information, text, graphics or other items contained within these materials. skyworks shall not be liable for any damages, in cluding special, indirect, inci dental, or consequential damage s, including without limitation, lost revenues or lost profits that may result from the use of these materials whether or not the recipien t of materials has been adv ised of the possibility of such damage. skyworks products are no t intended for use in medical, lifesaving or life-su staining applications. skyw orks customers using or selling skyworks products for use in such applications do so at their own risk and agree to fully indemnify skyworks for an y damages resulting from such improper use or sale. the following are trademarks of skyworks solutions, inc.: skyworks?, the skyw orks logo, and breakthro ugh simplicity?. product n ames or services listed in this publication are for identification purposes only, and may be trademarks of skyw orks or other third parties. third-party br ands and names are the property of their respective owners. addition al information, posted at www.skyworksinc.com, is incorporated by reference.

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