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1 of 17 optimum technology matching? applied gaas hbt ingap hbt gaas mesfet sige bicmos si bicmos sige hbt gaas phemt si cmos si bjt gan hemt functional block diagram rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity?, powerstar?, polaris? total radio? and ultimateblue? are trademarks of rfmd, llc. bluetooth is a trade- mark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks and registered tradem arks are the property of their respective owners. ?2012, rf micro devices, inc. product description 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . ordering information bifet hbt ? 4 control block atten rfin rfout vc vdd mode 5 3 2 1 6 7 8 9 10 11 12 13 14 15 16 gnd nc nc gnd gnd gnd gnd nc nc gnd gnd rfsa3023 75 ? voltage controlled attenuator rfmd's rfsa3023 is a fully monolithic analog voltage controlled attenuator (vca) featuring exceptional linearity over a typi cal temperature compensated 30db gain control range. it incor- porates a revolutionary new circuit architecture to solve a long standing industry problem: high ip3, high attenuation range, low dc current, broad bandwidth and temperature compensated linear in db control voltage characteristic. this voltage controlled attenuator is controlled by a single positive control voltage with on-chip dc conditioning circuitry. the slope of the control voltage versus gain is selectable. the rfsa3023 draws a very low 1ma current and is packaged in a small 3mm x 3mm qfn. this attenuator is matched to 75 ? over its rated control range and frequency with no external matching components required. typical vcas in this performance category have poor inherent attenuation versus temperature and poor nonlinear attenuation versus control voltage characteristics. to correct these shortcomings, other vcas require exten- sive off chip analog support circuitry that cons ume valuable pcb area and additional dc power. this game changing product incorporates the complete solution in a small 3mm x 3mm qfn package that reduces the footprint by 20x in area and reduces the dc power by 10x over con- ventional pin diode approaches. features ? patent pending circuit architecture ? broadband 50mhz to 3000mhz frequency range ? 30db attenuation range ? +50dbm iip3 typical ? +80dbm iip2 typical ? low distortion -65dbc cso and -70dbc ctb for 112 channel 39dbmv input ? high 1db compression point >+30dbm ? low supply current 1ma typical ? 3.3v power supply ? linear in db control characteristic ? internal temperature compensation ? class 1c esd (1000v) ? complete solution in a small 3mm x 3mm, qfn package ? 5v version available rfsa3013 applications ? cable modems ? catv ? high linearity power control ds120419 package style: qfn, 16-pin, 0.9mm x 3mm x 3mm rfsa3023 75w voltage controlled attenuator rfsa3023sr 7? sample reel with 100 pieces rfsa3023sq sample bag with 25 pieces RFSA3023TR7 7? reel with 2500 pieces rfsa3023pck-410 50mhz to 3000mhz pcba with 5-piece sample bag
2 of 17 rfsa3023 ds120419 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . absolute maximum ratings parameter rating unit supply voltage (v dd ) -0.5 to +4 v control voltage(v c ) -0.5 to +4 v mode pin voltage (mode) -0.5 to +4 v rf input power +30 dbm operating temperature (t case )-40 to +85c storage temperature -65 to +150 c junction temperature (t j )+125c esd rating ? human body model (hbm) 1000 v parameter specification unit condition min. typ. max. general supply voltage 3 3.3 3.5 v supply current 1 ma operating temperature -40 85 c thermal resistance 45 c/w rf input must be rfin pin rf input power 27 dbm rf input must be rfin pin rf performance frequency range 50 3000 mhz minimum insertion loss 2.7 3.5 db gain control range 30 35 db gain versus temperature 1.5 db peak to peak gain variation over temperature for fixed control voltage return loss 10 db relative phase 10 deg insertion phase at 15db attenuation relative to minimum attenuation input 1db compression point 30 dbm input ip3 42 50 dbm p in + (im3 dbc /2) input ip2 80 dbm p in + im2 dbc , im2 is f1+f2 input ih2 80 dbm p in + h2 dbc , h2 is second harmonic input ih3 50 dbm p in + (h3 dbc /2), h3 is third harmonic c o m p o s i t e p e r f o r m a n c e cso -65 dbc 55.25mhz to 745.25mhz, 112 channel, +39dbmv input flat tilt ctb -70 dbc 55.25mhz to 745.25mhz, 112 channel, +39dbmv input flat tilt xmod -60 dbc 55.25mhz to 745.25mhz, 112 channel, +39dbmv input flat tilt control voltage control range, positive attenuation slope 0.0 2.5 v 2.5v control voltage is lowest insertion loss, mode pin high voltage control range, negative attenuation slope 0.0 2.5 v 0v control voltage is lowest insertion loss, mode pin low note: typical performance at nominal conditions unless otherwise noted: supply voltage = 3.3v, operating temperature = 25c, rf frequency 1ghz caution! esd sensitive device. exceeding any one or a combination of the absolute maximum rating conditions may cause permanent damage to the device. ex tended application of absolute maximum rating conditions to the device may reduce device reliability. specified typical perfor- mance or functional operation of the devi ce under absolute maximum rating condi- tions is not implied. the information in this publication is believed to be accurate and reliable. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of patents, or other rights of third parties, resulting from its use. no license is granted by implication or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recommended appli- cation circuitry and specifications at any time without prior notice. rfmd green: rohs compliant per eu directive 2002/95/ec, halogen free per iec 61249-2-21, < 1000ppm each of antimony trioxide in polymeric materials and red phosphorus as a fl ame retardant, and <2% antimony in solder. 3 of 17 rfsa3023 ds120419 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . parameter specification unit condition min. typ. max. control (continued) voltage control pin current (mode high) 1.1 ? a vc pin at 2.5v voltage control pin current (mode low) 1.7 ? a vc pin at 2.5v mode pin logic low 0.4 v mode pin logic high 1 v settling time 15 ? sec 1db attenuation change settling within 0.1db note: typical performance at nominal conditions unless otherwise noted: supply voltage = 3.3v, operating temperature = 25c, rf frequency 1ghz 4 of 17 rfsa3023 ds120419 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . measured positive attenuation slope performance note: data includes pcb and connector losses -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 insertion loss (db) voltage control (v) insertion loss versus voltage control rfsa3023, rf 1ghz, v dd =3.3v 25c -40c 85c -35 -30 -25 -20 -15 -10 -5 0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 output retrun loss (db) voltage control (v) output return loss versus voltage control rfsa3023, rf 1ghz, v dd =3.3v 25c -40c 85c -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 insertion loss (db) frequency (ghz) insertion loss versus frequency rfsa3023, v dd =3.3v, temp=+25 c vc=0v vc=0.5v vc=1.0v vc=1.5v vc=2.0v vc=2.5v -35 -30 -25 -20 -15 -10 -5 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 input return loss (db) frequency (ghz) input return loss versus frequency rfsa3023, v dd =3.3v, temp=+25 c vc=0v vc=0.5v vc=1.0v vc=1.5v vc=2.0v vc=2.5v -35 -30 -25 -20 -15 -10 -5 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 output return loss (db) frequency (ghz) output return loss versus frequency rfsa3023, v dd =3.3v, temp=+25 c vc=0v vc=0.5v vc=1.0v vc=1.5v vc=2.0v vc=2.5v -35 -30 -25 -20 -15 -10 -5 0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 input return loss (db) voltage control (v) input return loss versus voltage control rfsa3023, rf 1ghz, v dd =3.3v 25c -40c 85c 5 of 17 rfsa3023 ds120419 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . measured positive attenuation slope performance note: data includes pcb and connector losses 0 10 20 30 40 50 60 70 -40 -35 -30 -25 -20 -15 -10 -5 0 input ip3 (dbm) attenuation (db) input ip3 versus attenuation rfsa3023, rf 1ghz, v dd =3.3v, pin=+15dbm/tone 25c -40c 85c 0 10 20 30 40 50 60 70 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 input ip3 (dbm) voltage control (v) input ip3 versus voltage control rfsa3023, rf 1ghz, v dd =3.3v, pin=+15dbm/tone 25c -40c 85c 0 10 20 30 40 50 60 70 -40 -35 -30 -25 -20 -15 -10 -5 0 input ip3 (dbm) attenuation (db) input ip3 versus attenuation rfsa3023, v dd =3.3v, pin=+15dbm/tone, temp=+25 c 200mhz 500mhz 1ghz 0 10 20 30 40 50 60 70 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 input ip3 (dbm) voltage control (v) input ip3 versus voltage control rfsa3023, v dd =3.3v, pin=+15dbm/tone, temp=+25 c 200mhz 500mhz 1ghz 0 10 20 30 40 50 60 70 80 90 100 110 -40 -35 -30 -25 -20 -15 -10 -5 0 input ip2 (dbm) attenuation(db) input ip2 versus attenuation rfsa3023, rf 1ghz, v dd =3.3v, pin=+15dbm/tone 25c -40c 85c 0 10 20 30 40 50 60 70 80 90 100 110 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 input ip2 (dbm) voltage control (v) input ip2 versus voltage control rfsa3023, rf 1 ghz, v dd =3.3v, pin=+15dbm/tone 25c -40c 85c 6 of 17 rfsa3023 ds120419 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . measured positive attenuation slope performance note: data includes pcb and connector losses 0 10 20 30 40 50 60 70 80 90 100 110 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 input ip2 (dbm) voltage control (v) input ip2 versus voltage control rfsa3023, v dd =3.3v, pin=+15dbm/tone, temp=+25 c 200mhz 500mhz 1ghz 0 10 20 30 40 50 60 70 -40 -35 -30 -25 -20 -15 -10 -5 0 ih3 (dbm) attenuation (db) 3 rd harmonic ih3 versus attenuation rfsa3023, rf 1ghz, v dd =3.3v, pin=+15dbm 25c -40c 85c 0 10 20 30 40 50 60 70 80 90 100 110 -40 -35 -30 -25 -20 -15 -10 -5 0 input ip2 (dbm) attenuation (db) input ip2 versus attenuation rfsa3023, v dd =3.3v, pin=+15dbm/tone, temp=+25 c 200mhz 500mhz 1ghz 0 10 20 30 40 50 60 70 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 ih3 (dbm) voltage control (v) 3rd harmonic ih3 versus voltage control rfsa3023, rf 1ghz, v dd =3.3v, pin=+15dbm 25c -40c 85c 0 10 20 30 40 50 60 70 80 90 100 110 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 ih2 (dbm) voltage control (v) 2nd harmonic ih2 versus voltage control rfsa3023, rf 1ghz, v dd =3.3v, pin=+15dbm 25c -40c 85c 0 10 20 30 40 50 60 70 80 90 100 110 -40 -35 -30 -25 -20 -15 -10 -5 0 ih2 (dbm) attenuation (db) 2nd harmonic ih2 versus attenuation rfsa3023, rf 1ghz, v dd =3.3v, pin=+15dbm 25c -40c 85c 7 of 17 rfsa3023 ds120419 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . measured positive attenuation slope performance note: data includes pcb and connector losses -3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 s21 delta (db) voltage control (v) insertion loss relative to +25 c rfsa3023, rf1ghz, v dd =3.3v -40c 85c 0 5 10 15 20 25 30 -40 -35 -30 -25 -20 -15 -10 -5 0 settling time (usec) insertion loss (db) settling time versus insertion loss 1db steps, rf 1ghz, v dd =3.3v 25c -40c 85c -20 0 20 40 60 80 100 120 -40 -35 -30 -25 -20 -15 -10 -5 0 relative insertion phase (deg) insertion loss (db) relative insertion phase versus insertion loss rfsa3023, v dd =3.3v, temp=25 c 200mhz 500mhz 1000mhz -20 0 20 40 60 80 100 120 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 relative insertion phase (deg) voltage control (v) relative insertion phase versus voltage control rfsa3023, v dd =3.3v, temp=25 c 200mhz 500mhz 1000mhz 8 of 17 rfsa3023 ds120419 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . measured negative attenuation slope performance note: data includes pcb and connector losses -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 insertion loss (db) frequency (ghz) insertion loss versus frequency rfsa3023, v dd =3.3v, temp=+25 c vc=0v vc=0.5v vc=1.0v vc=1.5v vc=2.0v vc=2.5v -35 -30 -25 -20 -15 -10 -5 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 input return loss (db) frequency (ghz) input return loss versus frequency rfsa3023, v dd =3.3v, temp=+25 c vc=0v vc=0.5v vc=1.0v vc=1.5v vc=2.0v vc=2.5v -35 -30 -25 -20 -15 -10 -5 0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 output return loss (db) frequency (ghz) output return loss versus frequency rfsa3023, v dd =3.3v, temp=+25 c vc=0v vc=0.5v vc=1.0v vc=1.5v vc=2.0v vc=2.5v -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 insertion loss (db) voltage control (v) insertion loss versus voltage control rfsa3023, rf 1ghz, v d d=3.3v 25c -40c 85c -35 -30 -25 -20 -15 -10 -5 0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 input return loss (db) voltage control (v) input return loss versus voltage control rfsa3023, rf 1ghz, v dd =3.3v 25c -40c 85c -35 -30 -25 -20 -15 -10 -5 0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 output return loss (db) voltage control (v) output return loss versus voltage control rfsa3023, rf 1ghz, v dd =3.3v 25c -40c 85c 9 of 17 rfsa3023 ds120419 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . measured negative attenuation slope performance note: data includes pcb and connector losses 0 10 20 30 40 50 60 70 -40 -35 -30 -25 -20 -15 -10 -5 0 input ip3 (dbm) attenuation (db) input ip3 versus attenuation rfsa3023, rf 1ghz, v dd =3.3v pin=+15dbm/tone 25c -40c 85c 0 10 20 30 40 50 60 70 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 input ip3 (dbm) voltage control (v) input ip3 versus voltage control rfsa3023, rf 1ghz, v dd =3.3v pin=+15dbm/tone 25c -40c 85c 0 10 20 30 40 50 60 70 -40 -35 -30 -25 -20 -15 -10 -5 0 input ip3 (dbm) attenuation (db) input ip3 versus attenuation rfsa3023, v dd =3.3v, pin=+15dbm/tone, temp=+25 c 200mhz 500mhz 1ghz 0 10 20 30 40 50 60 70 80 90 100 110 -40 -35 -30 -25 -20 -15 -10 -5 0 input ip2 (dbm) attenuation (db) input ip2 versus attenuation rfsa3023, rf 1ghz, v dd =3.3v pin=+15dbm/tone 25c -40c 85c 0 10 20 30 40 50 60 70 80 90 100 110 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 iip2 (dbm) voltage control (v) input ip2 versus voltage control rfsa3023, rf 1ghz, v dd =3.3v pin=+15dbm/tone 25c -40c 85c 0 10 20 30 40 50 60 70 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 input ip3 (dbm) voltage control (v) input ip3 versus voltage control rfsa3023, v dd =3.3v, pin=+15dbm/tone, temp=+25 c 200mhz 500mhz 1ghz 10 of 17 rfsa3023 ds120419 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . measured negative attenuation slope performance note: data includes pcb and connector losses 0 10 20 30 40 50 60 70 80 90 100 110 -40 -35 -30 -25 -20 -15 -10 -5 0 input ip2 (dbm) attenuation (db) input ip2 versus attenuation rfsa3023, v dd =3.3v, pin=+15dbm/tone, temp=+25 c 200mhz 500mhz 1ghz 0 10 20 30 40 50 60 70 80 90 100 110 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 input ip2 (dbm) voltage control (v) input ip2 versus voltage control rfsa3023, v dd =3.3v, pin=+15dbm/tone, temp=+25 c 200mhz 500mhz 1ghz 0 10 20 30 40 50 60 70 -40 -35 -30 -25 -20 -15 -10 -5 0 ih3 (dbm) attenuation (db) 3 rd harmonic ih3 versus attenuation rfsa3023, rf 1ghz, v dd =3.3v pin=+15dbm 25c -40c 85c 0 10 20 30 40 50 60 70 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 ih3 (dbm) voltage control (v) 3 rd harmonic ih3 versus voltage control rfsa3023, rf 1ghz, v dd =3.3v pin=+15dbm 25c -40c 85c 0 10 20 30 40 50 60 70 80 90 100 110 -40 -35 -30 -25 -20 -15 -10 -5 0 ih2 (dbm) attenuation (db) 2 nd harmonic ih2 versus attenuation rfsa3023, rf 1ghz, v dd =3.3v pin=+15dbm 25c -40c 85c 0 10 20 30 40 50 60 70 80 90 100 110 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 ih2 (dbm) voltage control (v) 2 nd harmonic ih2 versus voltage control rfsa3023, rf 1ghz, v dd =3.3v pin=+15dbm 25c -40c 85c 11 of 17 rfsa3023 ds120419 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . measured negative attenuation slope performance note: data includes pcb and connector losses -20 0 20 40 60 80 100 120 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 relative insertion phase (deg) voltage control (v) relative insertion phase versus voltage control rfsa3023, v dd =3.3v, temp=25 c 200mhz 500mhz 1000mhz -20 0 20 40 60 80 100 120 -40 -35 -30 -25 -20 -15 -10 -5 0 relative insertion phase (deg) insertion loss (db) relative insertion phase versus insertion loss rfsa3023, v dd =3.3v, temp=25 c 200mhz 500mhz 1000mhz -3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 s21 delta (db) voltage control (v) insertion loss relative to +25 c rfsa3023, rf 1ghz, v dd =3.3v 85c -40c 12 of 17 rfsa3023 ds120419 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . measured composite performance: 79 channel loading -100 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 0 100 200 300 400 500 600 xmod (dbc) frequency (mhz) xmod versus frequency, 79 channel 39dbmv flat input, temp=+25c vc 2.5v vc 2.4v vc 2.3v vc 2.2v vc 2.1v vc 2.0v vc 1.8v vc 1.7v vc 1.6v vc 1.5v -100 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 0 100 200 300 400 500 600 ctb (dbc) frequency (mhz) ctb versus frequency, 79 channel 39dbmv flat input, temp=+25c vc 2.5v vc 2.4v vc 2.3v vc 2.2v vc 2.1v vc 2.0v vc 1.8v vc 1.7v vc 1.6v vc 1.5v -100 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 0 100 200 300 400 500 600 cso difference (dbc) frequency (mhz) cso difference versus frequency, 79 channel 39dbmv flat input, temp=+25c vc 2.5v vc 2.4v vc 2.3v vc 2.2v vc 2.1v vc 2.0v vc 1.8v vc 1.7v vc 1.6v vc 1.5v -100 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 0 100 200 300 400 500 600 cso sum (dbc) frequency (mhz)] cso sum versus frequency, 79 channel 39dbmv flat input, temp=+25c vc 2.5v vc 2.4v vc 2.3v vc 2.2v vc 2.1v vc 2.0v vc 1.8v vc 1.7v vc 1.6v vc 1.5v 13 of 17 rfsa3023 ds120419 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . measured composite performance: 112 channel loading -100 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 0 100 200 300 400 500 600 700 800 xmod (dbc) frequency (mhz) xmod versus frequency, 112 channel 39dbmv flat input, temp=+25c vc 2.5v vc 2.4v vc 2.3v vc 2.2v vc 2.1v vc 2.0v vc 1.8v vc 1.7v vc 1.6v vc 1.5v -100 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 0 100 200 300 400 500 600 700 800 ctb (dbc) frequency (mhz) ctb versus frequency, 112 chanel 39dbmv flat input, temp=+25c vc 2.5v vc 2.4v vc 2.3v vc 2.2v vc 2.1v vc 2.0v vc 1.8v vc 1.7v vc 1.6v vc 1.5v -100 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 0 100 200 300 400 500 600 700 800 cso difference (dbc) frequency (mhz) cso difference versus frequency, 112 channel 39dbmv flat input, temp=+25c vc 2.5v vc 2.4v vc 2.3v vc 2.2v vc 2.1v vc 2.0v vc 1.8v vc 1.7v vc 1.6v vc 1.5v -100 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 0 100 200 300 400 500 600 700 800 cso sum (dbc) frequency (mhz) cso sum versus frequency, 112 channel 39dbmv flat input, temp=+25c vc 2.5v vc 2.4v vc 2.3v vc 2.2v vc 2.1v vc 2.0v vc 1.8v vc 1.7v vc 1.6v vc 1.5v 14 of 17 rfsa3023 ds120419 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . pcb patterns thermal vias for center slug ?c? should be incorporated into the pcb design. the number and size of thermal vias will depend on the application, the power dissipation, and the electrical requirements. example of the number and size of vias can be found on the rfmd evaluation board layout. pin names and descriptions pin name description 1gnd ground pin 2nc no connection. do not connect to pc board ground plane. 3rfin rf input. use external dc block. rf input must be this pin to insure linearity and thermal resistance specifications. 4nc no connection. do not connect to pc board ground plane. 5gnd ground pin 6gnd ground pin 7gnd ground pin 8gnd ground pin 9nc no connection. do not connect to pc board ground plane. 10 rfout rf output. use external dc block. rf output must be this pin to insure linearity and thermal resis- tance specifications. 11 nc no connection. do not connect to pc board ground plane. 12 gnd ground pin 13 gnd ground pin 14 vc attenuator control voltage 15 vdd supply voltage (3.3v) 16 mode attenuation slope control set to logic low to enable negative attenuation slope. set to logic high to enable positive attenuation slope. gnd gnd exposed package ground paddle is rf and dc ground pcb stencil pattern aa b b c aa b b pcb solder mask pattern pcb metal pattern a = 0.260 x 0.528 (mm) typ b = 0.528 x 0.260 (mm) typ c = 1.700 x 1.700 (mm) 15% rounded rectangle 12x 0.240 aa b b aa b b a = 0.380 x 0.648 (mm) typ b = 0.648 x 0.380 (mm) typ c = 1.820 x 1.820 (mm) 15% rounded rectangle 16x 0.250 a = 0.234 x 0.475 (mm) typ b = 0.475 x 0.234 (mm) typ c = 1.530 x 1.530 (mm) 15% rounded rectangle 4x 1.364 2x 0.250 2x 0.250 2x 0.750 4x 1.364 4x 1.364 4x 1.364 2x 0.750 2x 0.250 2x 0.250 2x 0.750 2x 0.750 0.000 0.000 aa b b c aa b b 12x 0.266 aa b b aa b b 16x 0.361 4x 1.364 2x 0.250 2x 0.250 2x 0.750 4x 1.364 4x 1.364 4x 1.364 2x 0.750 2x 0.250 2x 0.250 2x 0.750 2x 0.750 0.000 0.000 aa b b c aa b b 12x 0.120 aa b b aa b b 16x 0.130 4x 1.364 2x 0.250 2x 0.250 2x 0.750 4x 1.364 4x 1.364 4x 1.364 2x 0.750 2x 0.250 2x 0.250 2x 0.750 2x 0.750 0.000 0.000 15 of 17 rfsa3023 ds120419 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . evaluation board schematic rfsa3023 3 2 4 1 10 11 9 12 15 14 16 13 6 7 5 8 c1 1000pf c2 1000pf c3 1000pf mode vdd vc rfin rfout r5 0 ? c4 1f 16 of 17 rfsa3023 ds120419 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . evaluation board assembly drawing evaluation board bill of materials (bom) description reference designator manufacturer manufacturer?s p/n voltage controlled attenuator vca, 3.3v u1 rfmd rfsa3023 conn, f, edge mount, 30 mil j1-j2 trompeter electronics, inc. cbje130-2 conn, hdr, st, 4-pin, 0.100?, t/h p1 molex 22-28-4043 pcb, sa3013-410 ddi sa3013-410(a) cap, 1000pf, 10%, 25v, x7r, 0402 c1-c3 murata electronics grm155r71h102ka01d cap, 1 ? f, 10%, 16v, x7r, 1206 c4 murata electronics grm31mr71e105kc01l res, 0 ? , 0402 r5 kamaya, inc rmc1/16sjpth dnp c5-c9 n/a n/a dnp r3 n/a n/a dnp p2 n/a n/a rfin r f i n rf0ut r f 0 u t 17 of 17 rfsa3023 ds120419 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . package drawing 0.9mm x 3mm x 3mm branding diagram 0.9mm x 3mm x 3mm 3.0000.100 3.0000.100 0.203 ref 0.850.050 1.7000.100 1.7000.100 0.500 bsc 0.400.050 0.250 +0.050 / -0.070 pin 1 indicator trace code to be assigned by subcon 23 |
Price & Availability of RFSA3023TR7
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