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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 soi ? 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 RFSA2023 voltage controlled attenuator rfmd's RFSA2023 is a fully monolithic analog voltage controlled attenuator (vca) featuring exceptional linearity over a typical temperature- compensated 30db gain co ntrol 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 RFSA2023 draws a very low 1ma current and is packaged in a small 3mm x 3mm qfn. this attenuator is matched to 50 ? over its rated control range and frequency with no external matching components required. typical vca's in this performance category have poor inherent attenuation versus temperature and poor nonlinear attenuation versus control voltage characteristics. to correct these shortcomings, other vca's require exten- sive off-chip analog support circuitry that consume 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 p in diode approaches. features ? patent pending circuit architecture ? broadband 50mhz to 6000mhz frequency range ? 30db attenuation range ? +50dbm iip3 typical ? +80dbm iip2 typical ? 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 part available rfsa2013 applications ? cellular, 3g infrastructure ? wibro, wimax, lte ? microwave radio ? high linearity power control ds120813 package style: qfn, 16-pin, 0.9mm x 3mm x 3mm RFSA2023 voltage con- trolled attenu- ator RFSA2023sr 7? sample reel with 100 pieces RFSA2023sr sample bag with 25 pieces RFSA2023tr7 7? reel with 2500 pieces RFSA2023pck-410 50mhz to 6000mhz pcba with 5-piece sample bag
2 of 17 RFSA2023 ds120813 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 -0.5 to +4 v control voltage -0.5 to +4 v mode pin voltage -0.5 to +4 v rf input power +30 dbm operating temperature -40 to +85 c storage temperature -65 to +150 c junction temperature +125 c esd rating (hbm) 1000 v parameter specification unit condition min. typ. max. general supply voltage 3.0 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 performance frequency range 50 6000 mhz minimum insertion loss 2.6 3.5 db gain control range 30 33.2 db gain versus temperature 1.7 db peak to peak gain variation over temperature for fixed control voltage relative phase 15.9 deg insertion phase at 15db attenuation relative to min- imum insertion loss return loss 15 db input 1db compression point 30 dbm input ip3 45 50 dbm pin + (im3 dbc /2) input ip2 80 dbm pin + im2 dbc , im2 is f1+f2 input ih2 85 dbm pin + h2 dbc , h2 is second harmonic input ih3 55 dbm pin + (h3 dbc /2), h3 is third harmonic 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 voltage control pin current (mode high) 1.1 ? a vc pin at 2.5v voltage control pint current (mode low) 1.7 ? a mode pin logic low 0.4 v mode pin logic high 1 v settling time 15 ? s 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 2ghz 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 RFSA2023 ds120813 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 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 rf 2ghz, v dd =3.3v 25c -40c 85c -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 insertion loss (db) frequency (ghz) insertion loss versus frequency 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 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 input return loss (db) frequency (ghz) input return loss versus frequency 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 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 output return loss (db) frequency (ghz) output return loss versus frequency 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 rf 2ghz, 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 rf 2ghz, v dd =3.3v 25c -40c 85c
4 of 17 RFSA2023 ds120813 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 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 rf 2ghz, v dd =3.3v, pin=+20dbm/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 rf 2ghz, v dd =3.3v, pin=+20dbm/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 v dd =3.3v, pin=+20dbm/tone, temp=+25 c 500mhz 1ghz 2ghz 3ghz 4ghz 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 v dd =3.3v, pin=+20dbm/tone, temp=+25 c 500mhz 1ghz 2ghz 3ghz 4ghz 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 rf 2ghz, v dd =3.3v, pin=+20dbm/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 rf 2ghz, v dd =3.3v, pin=+20db/tone 25c -40c 85c
5 of 17 RFSA2023 ds120813 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 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 v dd =3.3v, pin=+20dbm/tone, temp=+25 c 500mhz 1ghz 2ghz 3ghz 4ghz 0 10 20 30 40 50 60 70 -40 -35 -30 -25 -20 -15 -10 -5 0 ih3 (dbm) attenuation (db) 3rd harmonic ih3 versus attenuation rf 2ghz, v dd =3.3v, pin=+20dbm 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) 3rd harmonic ih3 versus voltage control rf 2ghz, v dd =3.3v, pin=+20dbm 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 v dd =3.3v, pin=+20dbm/tone, temp=+25 c 500mhz 1ghz 2ghz 3ghz 4ghz 0 10 20 30 40 50 60 70 -40 -35 -30 -25 -20 -15 -10 -5 0 ih3 (dbm) attenuation (db) 3rd harmonic ih3 versus attenuation v dd =3.3v, pin=+20dbm, temp=+25 c 500mhz 1ghz 2ghz 3ghz 4ghz 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 v dd =3.3v, pin=+20dbm, temp=+25 c 500mhz 1ghz 2ghz 3ghz 4ghz
6 of 17 RFSA2023 ds120813 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 data includes pcb and connector losses 0 10 20 30 40 50 60 70 80 90 100 -40 -35 -30 -25 -20 -15 -10 -5 0 ih2 (dbm) attenuation (db) 2nd harmonic ih2 versus attenuation rf 2ghz, v dd =3.3v, pin=+20dbm 25c -40c 85c 0 10 20 30 40 50 60 70 80 90 100 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 rf 2ghz, v dd =3.3v, pin=+20dbm 25c -40c 85c 0 10 20 30 40 50 60 70 80 90 100 110 120 -40 -35 -30 -25 -20 -15 -10 -5 0 ih2 (dbm) attenuation (db) 2nd harmonic ih2 versus attenuation v dd =3.3v, pin=+20dbm, temp=+25 c 500mhz 1ghz 2ghz 3ghz 4ghz 0 10 20 30 40 50 60 70 80 90 100 110 120 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 ih2 (dbm) voltage control (v) 2nd harmonic ih2 versus voltage control v dd =3.3v, pin=+20dbm, temp=+25 c 500mhz 1ghz 2ghz 3ghz 4ghz
7 of 17 RFSA2023 ds120813 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 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 insertion loss delta (db) voltage control (v) insertion loss relative to +25 c rf 2ghz, v dd =3.3v +85c -40c 0 5 10 15 20 25 30 0 5 10 15 20 25 30 35 40 settling time (usec) insertion loss (db) insertion loss settling time - 1db steps rf 2ghz, 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 v dd =3.3v, temp 25 c 1ghz 2ghz 3ghz 4ghz -20 0 20 40 60 80 100 120 0.0 0.5 1.0 1.5 2.0 2.5 relative insertion phase (deg) voltage control (v) relative insertion phase versus voltage control v dd =3.3v, temp 25 c 1ghz 2ghz 3ghz 4ghz
8 of 17 RFSA2023 ds120813 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 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 rf 2ghz, v dd =3.3v 25c -40c 85c -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 insertion loss (db) frequency (ghz) insertion loss versus frequency 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 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 input return loss (db) frequency (ghz) input return loss versus frequency 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 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 output return loss (db) frequency (ghz) output return loss versus frequency 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 rf 2ghz, 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 voltrage control rf 2ghz, v dd =3.3v 25c -40c 85c
9 of 17 RFSA2023 ds120813 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 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 rf 2ghz, v dd =3.3v, pin=+20dbm/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 rf 2ghz, v dd =3.3v, pin=+20dbm/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 v dd =3.3v, pin=+20dbm/tone, temp=+25 c 500mhz 1ghz 2ghz 3ghz 4ghz 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 v dd =3.3v, pin=+20dbm/tone, temp=+25 c 500mhz 1ghz 2ghz 3ghz 4ghz 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 rf 2ghz, v dd =3.3v, pin=+20dbm/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 rf 2ghz, v dd =3.3v, pin=+20dbm/tone 25c -40c 85c
10 of 17 RFSA2023 ds120813 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 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 v dd =3.3v, pin=+20dbm/tone, temp=+25 c 500mhz 1ghz 2ghz 3ghz 4ghz 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 v dd =3.3v, pin=+20dbm/tone, temp=+25 c 500mhz 1ghz 2ghz 3ghz 4ghz 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 rf 2ghz, v dd =3.3v, pin=+20dbm 25c -40c 85c 0 10 20 30 40 50 60 70 -40 -35 -30 -25 -20 -15 -10 -5 0 ih3 (dbm) attenuation (db) 3rd harmonic ih3 versus attenuation rf 2ghz, v dd =3.3v, pin=+20dbm 25c -40c 85c 0 10 20 30 40 50 60 70 -40 -35 -30 -25 -20 -15 -10 -5 0 ih3 (dbm) attenuation (db) 3rd harmonic ih3 versus attenuation v dd =3.3v, pin=+20dbm, temp=+25 c 500mhz 1ghz 2ghz 3ghz 4ghz 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 v dd =3.3v, pin=+20dbm, temp=+25 c 500mhz 1ghz 2ghz 3ghz 4ghz
11 of 17 RFSA2023 ds120813 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 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 ih2 (dbm) voltage control (v) 2nd harmonic ih2 versus voltage control rf 2ghz, v dd =3.3v, pin=+20dbm 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 rf 2ghz, v dd =3.3v, pin=+20dbm 25c -40c 85c 0 10 20 30 40 50 60 70 80 90 100 110 120 -40 -35 -30 -25 -20 -15 -10 -5 0 ih2 (dbm) attenuation (db) 2nd harmonic ih2 versus attenuation v dd =3.3v, pin=+20dbm, temp=+25 c 500mhz 1ghz 2ghz 3ghz 4ghz 0 10 20 30 40 50 60 70 80 90 100 110 120 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 ih2 (dbm) voltage control (v) 2nd harmonic ih2 versus voltage control v dd =3.3v, pin=+20dbm, temp=+25 c 500mhz 1ghz 2ghz 3ghz 4ghz
12 of 17 RFSA2023 ds120813 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 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 insertion loss delta (db) voltage control (v) insertion loss relative to +25 c rf 2ghz, v dd =3.3v +85c -40c -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 v dd =3.3v, temp=25 c 1ghz 2ghz 3ghz 4ghz -20 0 20 40 60 80 100 120 00.511.522.5 relative insertion phase (deg) voltage control (v) relative insertion phase versus voltage control v dd =3.3v, temp=25 c 1ghz 2ghz 3ghz 4ghz
13 of 17 RFSA2023 ds120813 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . voltage control pin current performance data includes pcb and connector losses -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 current (a) voltage control (v) vc pin current versus voltage control postive slope, mode=high, v dd =3.3v -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 current (a) voltage control (v) vc pin current versus voltage control negative slope, mode=low, v dd =3.3v
14 of 17 RFSA2023 ds120813 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 requ irements. 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
15 of 17 RFSA2023 ds120813 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 RFSA2023 3 2 4 1 10 11 9 12 15 14 16 13 c1 1000pf c2 1000pf c3 1000pf mode vdd vc rfin rfout r5 0 ? c4 1uf 6 7 5 8
16 of 17 RFSA2023 ds120813 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) notes: 1. manufacturers' p/ns are subject to change by the manufa cturers following the issue of this document and are thereby included for reference only. 2. contact rfmd corporate engineering materials with questions regarding specific manufacturers' p/ns. description reference designator manufacturer manufacturer?s p/n voltage controlled attenuator vca, 3.3v u1 rfmd RFSA2023 conn, sma, end lnch, mini, flt, 0.068? j1-j2 emerson network power 142-0741-851 conn, hdr, st, 4-pin, 0.100?, t/h p1 molex 22-28-4043 pcb, sa2013-410 ddi sa2013-410 cap, 1000pf, 10%, 25v, x7r, 0402 c1-c3 murata electronics grm155r71h102ka01d cap, 1 ? f, 10%, 16v, x7r, 1206 c4 murata electronics grm31mr71e105kc01l res, 0 ? , 5%, 0402 r5 kamaya, inc rmc1/16sjpth dnp c5-c9 n/a n/a dnp r1-r4 n/a n/a dnp p2 n/a n/a
17 of 17 RFSA2023 ds120813 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) pin 1 indicator trace code to be assigned by subcon sa s a 2023 2 0 2 3 trace code t r a c e c o d e

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