2.5 w power amplifier 7.1 - 8.5 ghz rev. v1 xp1050-qj m/a-com technology solutions inc. and its affiliates reserve the ri ght to make changes to the product(s) or information contain ed herein wi thout notice. visit www.macom.com for additional data sheets and product information. ? north america tel: 800.366.2266 / fax: 978.366.2266 ? europe tel: 44.1908.574.200 / fax: 44.1908.574.300 ? asia/pacific tel: 81.44.844.8296 / fax: 81.44.844.8298 1 ordering information 1,2 part number package xp1050-qj-0g00 bulk quantity xp1050-qj-0g0t tape and reel xp1050-qj-ev1 evaluation module * restrictions on hazardous substanc es, european union directive 2002/95/ec. functional schematic pin configuration 3 pin no. pin name function 1 v d 1 drain 1 bias 2-3 n/c no connection 4 rf in rf input 5 v g 1 gate 1 bias 6 v g 2 gate 2 bias 7-11 n/c no connection 12 gnd ground 13 v ref power det. ref. 14 v det power detector 15 rf out rf output 16-17 n/c no connection 18 v d 2 drain 2 bias 19-24 n/c no connection 25 4 pad ground features ?? 15.5 db small signal gain ?? 47 dbm third order intercept point (oip3) ?? 2 w p1db ?? integrated power detector ?? lead-free 6 mm 24-lead qfn package ?? rohs* compliant and 260c reflow compatible description the xp1050-qj is a packaged linear power amplifier that operates from 7.1-8.5 ghz. the device provides 15.5 db gain and 47 dbm output third order intercept point (oip3). the packaged amplifier comes in an industry standard, fully molded 6 mm qfn package and is comprised of a two stage power amplifier with an integrated, temperature compensated on-chip power detector. the device includes on-chip esd protection structures and dc by-pass capacitors to eas e the implementation and volume assembly of the packaged part. the device is specifically designed for use in 7 and 8 ghz point-to-point radio applications. external dc blocks are requi red. see the reliability note on page 3 for more information. 3. it is recommended to connect unused pins to ground. 4. the exposed pad centered on the package bottom must be connected to rf and dc ground. 1. reference application note m513 for reel size information. 2. all sample boards include 5 loose parts.
2.5 w power amplifier 7.1 - 8.5 ghz rev. v1 xp1050-qj m/a-com technology solutions inc. and its affiliates reserve the ri ght to make changes to the product(s) or information contain ed herein wi thout notice. visit www.macom.com for additional data sheets and product information. ? north america tel: 800.366.2266 / fax: 978.366.2266 ? europe tel: 44.1908.574.200 / fax: 44.1908.574.300 ? asia/pacific tel: 81.44.844.8296 / fax: 81.44.844.8298 2 electrical specifications: freq: 7.1 - 8.5 ghz, v dd = 7 v, i dq 5 = 1350 ma, t a = +25 ? c parameter units min. typ. max. gain @ 6 dbm p in db 13.5 15.5 18.5 input return loss db ? 10 ? output return loss db ? 8 ? p1db dbm ? 33 ? psat 6 dbm ? 34 ? output ip3 @ 6 dbm p in dbm 43.5 47 delta v det (v det - v ref ) @ 6 dbm p in, 8.5 ghz v ? -0.88 ? detector bias voltage vdc 5 gate bias voltage (v gg 1,2) vdc -0.7 5. adjust v gg 1 and v gg 2 between ?1.4 and ?0.4 v to achieve specified i dq . v gg 1 and v gg 2 should be the same voltage. 6. for reference only. large signal operation is only recommended under pulsed conditions. keep out put power below p1db for c .w. operation. maximum operating ratings 7,8,9 parameter absolute maximum input power +24 dbm drain supply voltage +8 volts junction temperature 10 +160 c operating temperature -40c to +85c storage temperature -65c to +150c handling procedures please observe the following precautions to avoid damage: static sensitivity gallium arsenide integrated circuits are sensitive to electrostatic discharge (esd) and can be damaged by static electricity. proper esd control techniques should be used when handling these class 1a devices. absolute maximum ratings 11,12 parameter absolute max. supply gate voltage -2.5 v supply current (i d 1) 600 ma supply current (i d 2) 1200 ma detector pin 6 v detector ref pin 6 v continuous power dissipation @ 85oc 11.2 w junction temperature 175oc 11. channel temperature directly affects a device?s mttf. channel temperature should be kept as low as possible to maximize lifetime. 12. for saturated performance it recommended that the sum of (2*v dd + abs(v gg )) <17 7. exceeding any one or combination of these limits may cause permanent damage to this device. 8. m/a-com technology solutions does not recommend sustained operation near these survivability limits. 9. operating at nominal conditions with t j 160c will ensure mttf > 1 x 10 6 hours. 10. junction temperature (t j ) = t c + ? jc * ((v * i) - (p out - p in )) typical thermal resistance ( ? jc ) = 6.8c/w a) for t c = 25c, t j = 88c @ 7 v, 1350 ma, p out = 21.5 dbm, p in = 6 dbm b) for t c = 85c, t j =149c @ 7 v, 1350 ma, p out = 20 dbm, p in = 6 dbm
2.5 w power amplifier 7.1 - 8.5 ghz rev. v1 xp1050-qj m/a-com technology solutions inc. and its affiliates reserve the ri ght to make changes to the product(s) or information contain ed herein wi thout notice. visit www.macom.com for additional data sheets and product information. ? north america tel: 800.366.2266 / fax: 978.366.2266 ? europe tel: 44.1908.574.200 / fax: 44.1908.574.300 ? asia/pacific tel: 81.44.844.8296 / fax: 81.44.844.8298 3 important reliability information: the input and output capacitors on the die may be damaged through handling and assembly processes. external dc blocks are recommended on the rf input and output li nes on the pc board. if the output capacitor shorts due to esd damage, the part will continue to function with slightly degraded performance. ip3 may decrease by approximately 1.5 db. if the input c apacitor shorts due to esd damage, the part will continue to function with a slight shift in input return loss. on ce shorted, the capacitor should remain shorted for the standard product lifetime. the external dc blocks are needed to maintain the bias point on the part. even though the esd rating using the human body model is class 1a, it is recommended to treat this part as a class 0 part. the rate of shorted capacitors due to esd damage can be in the range of 10%. shorted capacitors on this part are not subject to the warranty because the part continues to operate reliably with only slightly reduced performance. recommended layout material: ro4350b, 10 mil. capacitors: 1f (0805), 1000 pf (0402)
2.5 w power amplifier 7.1 - 8.5 ghz rev. v1 xp1050-qj m/a-com technology solutions inc. and its affiliates reserve the ri ght to make changes to the product(s) or information contain ed herein wi thout notice. visit www.macom.com for additional data sheets and product information. ? north america tel: 800.366.2266 / fax: 978.366.2266 ? europe tel: 44.1908.574.200 / fax: 44.1908.574.300 ? asia/pacific tel: 81.44.844.8296 / fax: 81.44.844.8298 4 app note [1] biasing - as shown in the pin designations table, t he device is operated by biasing vd1,2 at 7.0v. the nominal drain currents are id1=450 ma and id2=900 ma. this ratio of 1:2 between the first and second stage drain currents should be maintained for best linearit y. the typical gate voltages needed are -0.9v. the negative gate voltage must be applied prior to applying the positive drain voltage. the xp1050-qj is recommended for linear applications only. active bias is recommended to keep the currents known and constant, and to maintain the best performanc e over temperature. depending on the supply voltage available and the power dissipation constr aints, the bias circuit may be a single transistor or a low-power operational amplifier, with a low value resistor in se ries with the drain supply used to sense the current. app note [2] pwb layout considerations - it is recommended to provide 1000 pf decoupling capacitors as close as possible to the pins of the device, with additional larger decoupling capacitors further away. for example, in the recommended layout, there are 1000 pf 0402 capacitors placed very near the device pins, and 1uf 0805 capacitors placed further away (the gate line shown without a 1uf capacitor (pin 6) would have this capacitor further away on the other side of the screw). thermal management of the device is essential. it is recommended that measures such as copper-filled vias under the package, and post/screws fo r top to bottom heat transfer are used (see recommended layout shown below). adequate heat-sinking under the pwb is necessary in maintaining the package base at a safe operating temperature. app note [3] power detector - as shown in the schematic at right, t he power detector is implemented by providing +5v bias and measuring the difference in output voltage with standard op-amp in a differential mode configuration. application schematic
2.5 w power amplifier 7.1 - 8.5 ghz rev. v1 xp1050-qj m/a-com technology solutions inc. and its affiliates reserve the ri ght to make changes to the product(s) or information contain ed herein wi thout notice. visit www.macom.com for additional data sheets and product information. ? north america tel: 800.366.2266 / fax: 978.366.2266 ? europe tel: 44.1908.574.200 / fax: 44.1908.574.300 ? asia/pacific tel: 81.44.844.8296 / fax: 81.44.844.8298 5 typical performance curves: v dd = 7 v, i dq = 1350 ma gain vs. frequency, +25c input return loss vs. frequency, +25c output return loss vs. frequency, +25c gain vs. output power, +25c gain vs. output power, -40c gain vs. output power, +85c 10 12 14 16 18 20 10 12 14 16 18 20 22 24 26 28 30 32 34 36 output power (dbm) gain (db) freq(ghz)=7.1 freq(ghz)=7.5 freq(ghz)=8.1 freq(ghz)=8.5 10 12 14 16 18 20 10 12 14 16 18 20 22 24 26 28 30 32 34 36 output power (dbm) gain (db) freq(ghz)=7.1 freq(ghz)=7.5 freq(ghz)=8.1 freq(ghz)=8.5 10 12 14 16 18 20 10 12 14 16 18 20 22 24 26 28 30 32 34 36 output power (dbm) gain (db) freq(ghz)=7.1 freq(ghz)=7.5 freq(ghz)=8.1 freq(ghz)=8.5 10 12 14 16 18 20 7.0 7.5 8.0 8.5 9.0 frequency (ghz) gain (db) -30 -25 -20 -15 -10 -5 0 7.0 7.5 8.0 8.5 9.0 frequency (ghz) input return loss (db) -15 -10 -5 0 7.0 7.5 8.0 8.5 9.0 frequency (ghz) output return loss (db)
2.5 w power amplifier 7.1 - 8.5 ghz rev. v1 xp1050-qj m/a-com technology solutions inc. and its affiliates reserve the ri ght to make changes to the product(s) or information contain ed herein wi thout notice. visit www.macom.com for additional data sheets and product information. ? north america tel: 800.366.2266 / fax: 978.366.2266 ? europe tel: 44.1908.574.200 / fax: 44.1908.574.300 ? asia/pacific tel: 81.44.844.8296 / fax: 81.44.844.8298 6 typical performance curves: v dd = 7 v, i dq = 1350 ma output ip3 vs. output power, +25c output ip3 vs. output power, -40c output ip3 vs. output power, +85c detector voltage (v ref - v det ) vs. output power, +25c detector voltage (v ref - v det ) vs. output power, -40c detector voltage (v ref - v det ) vs. output power, +85c 1 10 100 1000 10000 -10-5 0 5 101520253035 output power (dbm) detector voltage (mv) freq(ghz)=7.1 freq(ghz)=7.5 freq(ghz)=8.1 freq(ghz)=8.5 1 10 100 1000 10000 -10-5 0 5 101520253035 output power (dbm) detector voltage (mv) freq(ghz)=7.1 freq(ghz)=7.5 freq(ghz)=8.1 freq(ghz)=8.5 1 10 100 1000 10000 -10-5 0 5 101520253035 output power (dbm) detector voltage (mv) freq(ghz)=7.1 freq(ghz)=7.5 freq(ghz)=8.1 freq(ghz)=8.5 40 42 44 46 48 50 52 14 16 18 20 22 24 26 28 30 output power (dbm) output ip3 (dbm) freq(ghz)=7.1, vdd(v) = 7 freq(ghz)=7.7, vdd(v) = 7 freq(ghz)=7.9, vdd(v) = 7 freq(ghz)=8.5, vdd(v) = 7 40 42 44 46 48 50 52 14 16 18 20 22 24 26 28 30 output power (dbm) output ip3 (dbm) freq(ghz)=7.1, vdd(v) = 7 freq(ghz)=7.7, vdd(v) = 7 freq(ghz)=7.9, vdd(v) = 7 freq(ghz)=8.5, vdd(v) = 7 40 42 44 46 48 50 52 14 16 18 20 22 24 26 28 30 output power (dbm) output ip3 (dbm) freq(ghz)=7.1, vdd(v) = 7 freq(ghz)=7.7, vdd(v) = 7 freq(ghz)=7.9, vdd(v) = 7 freq(ghz)=8.5, vdd(v) = 7
2.5 w power amplifier 7.1 - 8.5 ghz rev. v1 xp1050-qj m/a-com technology solutions inc. and its affiliates reserve the ri ght to make changes to the product(s) or information contain ed herein wi thout notice. visit www.macom.com for additional data sheets and product information. ? north america tel: 800.366.2266 / fax: 978.366.2266 ? europe tel: 44.1908.574.200 / fax: 44.1908.574.300 ? asia/pacific tel: 81.44.844.8296 / fax: 81.44.844.8298 7 ? reference application note s2083 for l ead-free solder reflow recommendations. meets jedec moisture sensitivity level 3 requirements. plating is 100% matte tin over copper. lead-free 6 mm 24-lead pqfn ?
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