skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com spring 2006 skyworks proprietary information. products and product information are subject to change without notice. 152 SKY65015-214LF: ingap general-purpose amplifier lf?6 ghz data sheet applications wireless infrastructure: wlan, hlan, dbs, broadband, cellular base stations test instrumentation catv features broadband: lf?6 ghz small signal gain: 16 db typ. @ 2 ghz 0p 1 db : 18 dbm typ. @ 2 ghz input and output impedance: 50 ? nominal single, positive dc supply voltage plastic micro-x package available lead (pb)-free and rohs-compliant msl-1 @ 250 c per jedec j-std-020 50 ? 50 ? description the sky65015 is a general-purpose, broadband amplifier fabricated from skyworks ingap hbt process and packaged in a plastic micro-x package. the amplifier?s input and output impedances are 50 ? , which allows these amplifiers to be cascaded without external impedance matching networks. the typical -3 db bandwidth of the sky65015 is dc?3 ghz. this amplifier is also available in the miniature sc-88 package (sky65015-92lf) and the sot-89 package (sky65015-70lf) the sky65015 is lead (pb)-free and rohs-compliant. a populated evaluation board is available upon request. full scattering parameters for this part are available for download at www.skyworksinc.com skyworks offers lead (pb)-free, rohs (restriction of hazardous substances)-compliant packaging. new functional block dia gram
amplifiers skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com skyworks proprietary information. products and product information are subject to change without notice. spring 2006 153 parameter symbol condition frequency min. typ. max. unit small signal gain gp 1 ghz 15 16 db 3 db gain bandwidth bw 3 db 2.5 ghz noise figure nf 2 ghz 5.2 db output power at 1 db compression 0p 1 db 2 ghz 17 18 dbm input and output vswr vswr 0.1?6 ghz 1.9:1 2.0:1 output third order intercept point oip3 p in = 0 dbm each tone, ? f = 10 mhz 2 ghz 24 dbm operating voltage v d measured at pin 3 4.3 4.5 4.7 v reverse isolation |s 12 | 0.1?6 ghz 18 db gain flatness 10 mhz?2.5 ghz 1.5 db thermal resistance jc 100 c/w electrical specifica tions at 25 c t = 25 c, i c = 70 ma, p in = 0 dbm, z 0 = 50 ? , measured in evaluation board, unless otherwise noted 123456 frequency (ghz) input return loss vs. frequency return loss (db) 0 0 -5 -10 -15 -20 -25 25 c 85 c -40 c 123456 frequency (ghz) gain vs. frequency gain (db) 0 25 15 20 10 5 0 -40 c 25 c 85 c 123456 frequency (ghz) isolation vs. frequency isolation (db) 0 0 -5 -10 -15 -20 -25 85 c 25 c -40 c 123456 frequency (ghz) output return loss vs. frequency return loss (db) 0 0 -10 -15 -5 -20 -25 -30 25 c -40 c 85 c typical p erformance data z 0 = 50 ? ,i c = 70 ma, measured in evaluation board, unless otherwise noted amplifiers
amplifiers skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com spring 2006 skyworks proprietary information. products and product information are subject to change without notice. 154 characteristic value rf input power 15 dbm supply voltage 5 v supply current 120 ma power dissipation @ t = 25 c 600 mw operating temperature -40 c to +85 c storage temperature -65 c to +125 c 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, esd (electrostatic discharge) 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. pin number pin name description 2, 4 gnd equipotential point ? internal circuit com- mon, which must be connected to the pcb ground or common via the lowest possible impedance. 1 input rf input ? rf input with 50 ? nominal input impedance. an internally generated dc voltage is present at this pin, so an external dc block should be used to connect this pin to the external circuit. 3 output rf output ? dc supply voltage input and rf output with 50 ? nominal output impedance. the nominal voltage required at this pin is listed in the electrical specifications table. supply current is determined by an external resistor connected between the dc power supply and this pin. pin descriptions micro-x 0.006 (0.15 mm) 0.092 (2.34 mm) 0.020 (0.51 mm) 0.020 (0.51 mm) 0.100 (2.54 mm) 0.060 (1.52 mm) 0.026 (0.660 mm) 0.085 (2.16 mm) pin out (top view) 4 3 2 1 re c ommen d e d s ol d er reflow profiles refer to the ?recommended solder reflow profile? application note . t ape an d reel information refer to the ?discrete devices and ic switch/attenuators tape and reel package orientation? application note.
amplifiers skyworks solutions, inc. phone [781] 376-3000 fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com skyworks proprietary information. products and product information are subject to change without notice. spring 2006 155 amplifiers evaluation board input output r 1 l 1 c 1 c 4 c 2 v d v s i s l 3 l 2 the sky65015 evaluation board comprises the sky65015 amplifier, the input and output of which are connected via 50 ? microstrip transmission lines with dc blocking capacitors, c 1 and c 2 , to the input and output sma connectors, respectively. the positive supply voltage, v s , is connected to pin 3, rf output of the amplifier via the decoupling network, which consists of c 4 , l 1 ,l 2 and r 1 . the power supply current, i s , must be limited, either via the current limit function of an external bench power supply, or by replacing l 3 with resistor r 1 , the value of which is given in the current limiting resistor values table. the evaluation board is shipped with l 3 in place, which shifts an in-band series resonance of the supply decoupling network out of band. for low frequency applications, r 1 may be used to conveniently limit supply current on the evaluation board. the evaluation board also contains a probe fixture, which facilitates the direct measurement of the s parameters of the sky65015. the probe fixture comprises a very short coplanar waveguide (cpw) transmission line to pin 1 and an identical line to pin 3. all other pins of the amplifier are grounded. the cpw transmission lines are compatible with ground-signal-ground wafer probe tips, which can be connected to the rf ports of a vector network analyzer (vna) via coaxial cables. the very small electrical length of these cpw transmission lines obviates the need to de-embed their effects from the s parameters that are measured. the supply constant current must be applied via the bias tee, which is typically integrated into the vna, which is cascade with the output pin of the amplifier. r 1 minimum power v s , v resistance, ? ? dissipation rating, mw 5 4 125 6 19 125 7 33 250 8 47 500 9 61 500 10 76 500 12 104 1000 current limiting resistor values component description value size suggested part number comments c 1 ,c 2 ,c 4 capacitor 47 nf 0603 l 1 inductor 33 nh 0603 l 2 ferrite bead fbmh4525hm162n-t r 1 resistor see current limiting 0603 resistor values table u 1 amplifier sky65015 evalua tion board parts list
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