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  specifications and information are subject to change without notice wj communications, inc ? phone 1-800-wj1-4401 ? fax: 408-577-6621 ? e-mail: sales@wj.com ? web site: www.wj.com page 1 of 6 december 2005 cv211-1a pcs/dcs-band dual-branch downconverter product information the communications ed g e tm product features ? high dynamic range downconverter with integrated lo and if amplifiers ? dual channels for diversity ? +29.5 dbm input ip3 ? +10 dbm input p1db ? rf: 1700 ? 2000 mhz ? if: 65 ? 250 mhz ? +5v single supply operation ? pb-free 6mm 28-pin qfn package ? low-side lo configuration ? common footprint with other umts/cellular versions product description the cv211-1a is a dual-channel high-linearity down- converter designed to meet the demanding performance, functionality, and cost goals of current and next generation mobile infrastructure basestations. it provides high dynamic range performance in a low profile surface-mount leadless package that measures 6 x 6 mm square. it is ideally suited for high dynamic range receiver front ends using diversity receive channels. functionality includes frequency conversion and if amplification, while an integrated lo dr iver amplifier powers the passive mixer. the mcm is implemented with reliable and mature gaas mesfet and ingap hbt technology. typical applications include frequency downconversion used in pcs/dcs 2.5g and 3g mobile base transceiver stations. functional diagram top view specifications (1) parameters units min typ max comments rf frequency range mhz 1700 ? 2000 lo frequency range mhz 1450 ? 1935 if frequency range mhz 65 ? 250 see note 2 % bandwidth around if center frequency % 7.5 see note 3 if test frequency mhz 240 ssb conversion gain db 8 10 12 temp = 25 c gain drift over temp (-40 to 85 c) db -1.5 0.5 +1.5 referenced to +25 c input ip3 dbm +25 +29.5 see note 4 input ip2 dbm +33 +38 see note 4 input 1 db compression point dbm +10 see note 4 noise figure db 10.5 see note 5 lo input drive level dbm -2.5 0 +2.5 lo-rf isolation db 8 p lo = 0 dbm lo-if isolation db 32 p lo = 0 dbm branch-branch isolation db 45 return loss: rf port db 18 return loss: lo port db 15 return loss: if port db 14 operating supply voltage v +5 supply current ma 320 380 475 thermal resistance c / w 27 junction temperature c 160 see note 6 1. specifications when using the applicati on specific circuit (shown on page 3) with a low side lo = 0 dbm and if = 240 mhz in a downconverting a pplication at 25 c. 2. if matching components affect the center if frequency. pr oper component values for other if center frequencies than shown can be provided by emailing to applications.engineering@wj.com. 3. the if bandwidth of the converter is defined as 15% around an y center frequency in its operating if frequency range. the b andwidth is determined with external co mponents. specifica tions are valid around the total 7.5% bandwidth. ie. with a center frequency of 240 mhz, the specifications are valid from 240 18 mhz. 4. assumes the supply voltage = +5 v. iip3 is measured with f = 1 mhz with rf in = -5 dbm / tone. 5. assumes lo injection noise is filtered at the thermal noise floor, -174 dbm/hz, at the rf, if, and image frequencies. 6. the maximum junction temperature ensures a minimum mttf rating of 1 million hours of usage. absolute maximum rating parameter rating operating case temperature -40 to +85 c storage temperature -55 to +150 c dc voltage +5.5 v junction temperature +220 c operation of this device above any of th ese parameters may cause permanent damage. ordering information part no. description cv211-1af pcs/dcs-band dual-branch downconverter (lead-free/rohs-compliant qfn pkg) CV211-1APCB240 fully assembled eval. board, if = 240mhz 1 2 3 4 5 6 7 21 20 19 18 17 16 15 28 27 26 25 24 23 22 8 9 10 11 12 13 14 if amp 2 if amp 1 lo driver amp bias gnd gnd gnd lo gnd gnd rf 1 input gnd bias gnd gnd gnd gnd mixer if1 gnd a mp1 input gnd gnd gnd mixe r if2 gnd gnd gnd if amp2 input if1 output if2 output if rf rf rf 2 input
specifications and information are subject to change without notice wj communications, inc ? phone 1-800-wj1-4401 ? fax: 408-577-6621 ? e-mail: sales@wj.com ? web site: www.wj.com page 2 of 6 december 2005 cv211-1a pcs/dcs-band dual-branch downconverter product information the communications ed g e tm device architecture / application circuit information typical downconverter performance chain analysis (each branch) cumulative performance stage gain (db) input p1db (dbm) input ip3 (dbm) nf (db) current (ma) gain (db) input p1db (dbm) input ip3 (dbm) nf (db) lo amp / mmic mixer -8 17.5 35 8.5 80 -8 17.5 35.0 8.5 if amplifier 18 3.0 23 2.2 150 10 10.1 29.5 10.5 cv211-1a cumulative performance 380* 10 +10.1 +29.5 10.5 * the 2 nd branch includes another mixer and if amplifier, which increases the total current consumption of the mcm to be 380 ma. cv211-1a : the application circuit can be broken up into three main functions as denoted in the colored dotted areas above: rf/if diplexing (blue), if amplifier matching (green), and dc biasing (purple). there are various placeholders for chip component s in the circuit schematic so that a common pcb can be used for all wj dual-branch converters. further details are given in the application note located on the website titled ?cv2xx series - pwb design guidelines?. external diplexer: this is only used with the cellular-band cv products. the mixer performs the diplexing internally for the cv211-1a; therefore the components shown in the diplexer section should be not be loaded except for l3, l10, l7, and l11, which should contain a 0 jumper. if amplifier matching: the if amplifier requires matching elements to optimize the performance of the amplifier to the desired if center frequency. since if bandw idths are typically on the order of 5 to 10%, a simple two element matching network, in the form of either a high-pass or low-pass filter structure, is sufficient to match the mmic if amplifier over these narrow bandwidths. proper component values for other if cent er frequencies can be provided by emailing to applications.engineering@wj.com. dc biasing: dc bias must be provided for the lo and if amplifiers in the converter. r1 sets the operating current for the last stage of the lo amplifier and is chosen to opt imize the mixer lo drive level. proper rf chokes and bypass capacitors are chosen for proper amplifier biasing at the intended frequency of operation. the ?+5 v? dc bias should be supplied dire ctly from a voltage regulator. printed circuit board material: .014? fr-4 , 4 la y ers , .062? total thickness 1 2 3 4 5 6 7 21 20 19 18 17 16 15 28 27 26 25 24 23 22 8 9 10 11 12 13 14 if amp 2 if amp 1 lo driver amp bias gnd n/c gnd lo gnd n/c rf 1 input gnd bias gnd n/c gnd gnd mixer if1 gnd a mp1 input gnd gnd gnd mixe r if2 gnd gnd gnd if amp2 input if1 output if2 output if rf rf rf 2 input
specifications and information are subject to change without notice wj communications, inc ? phone 1-800-wj1-4401 ? fax: 408-577-6621 ? e-mail: sales@wj.com ? web site: www.wj.com page 3 of 6 december 2005 cv211-1a pcs/dcs-band dual-branch downconverter product information the communications ed g e tm application circuit: if = 240 mhz (CV211-1APCB240) pcb layout circuit board material: .014? fr-4, 4 layers, .062? total thickness bill of materials ref. desig. component size r1 13 chip resistor 0805 r2, r3, r4, l3, l7 l10, l11 0 chip resistor 0603 r6, r7 2.2 chip resistor 0603 c1, c5, c10, c15 1000 pf chip capacitor 0603 c4, c11 3.9 pf chip capacitor 0603 c6, c12, c14 .01 f chip capacitor 0603 c7, c13 100 pf chip capacitor 0603 l1 120 nh chip inductor 0603 l4, l8 56 nh chip inductor 0603 l5, l9 220 nh chip i nductor 0805 c2, c3, c8, c9, c16 c17, c19, c20, c21 c22, l2, l6 do not place u1 cv211-1af wj converter qfn
specifications and information are subject to change without notice wj communications, inc ? phone 1-800-wj1-4401 ? fax: 408-577-6621 ? e-mail: sales@wj.com ? web site: www.wj.com page 4 of 6 december 2005 cv211-1a pcs/dcs-band dual-branch downconverter product information the communications ed g e tm CV211-1APCB240 application circuit performance plots conversion gain vs if frequency lo = 0 dbm, 1640 mhz 7 8 9 10 11 12 215 225 235 245 255 265 if frequency (mhz) conversion gain (db) -40 deg c +25 deg c +85 deg c input ip3 vs if frequency lo = 0 dbm, 1640 mhz 24 26 28 30 32 34 215 225 235 245 255 265 if frequency (mhz) input ip3 (dbm) -40 deg c +25 deg c +85 deg c input ip2 vs if frequency lo = 0 dbm, 1640 mhz 32 34 36 38 40 42 215 225 235 245 255 265 if frequency (mhz) input ip2 (dbm) -40 deg c +25 deg c +85 deg c conversion gain vs rf frequency 25 deg c, if = 240 mhz 7 8 9 10 11 12 1700 1750 1800 1850 1900 1950 2000 rf frequency (mhz) conversion gain (db) lo = -2.5 dbm lo = 0 dbm lo = 2.5 dbm input ip3 vs rf frequency 25 deg c, if = 240 mhz 24 26 28 30 32 34 1700 1750 1800 1850 1900 1950 2000 rf frequency (mhz) input ip3 (dbm) lo = -2.5 dbm lo = 0 dbm lo = 2.5 dbm input ip2 vs rf frequency 25 deg c, if = 240 mhz, low-side lo 32 34 36 38 40 42 1700 1750 1800 1850 1900 1950 2000 rf frequency (mhz) input ip2 (dbm) lo = -2.5 dbm lo = 0 dbm lo = 2.5 dbm conversion gain vs rf frequency lo = 0 dbm, if = 240 mhz, low-side lo 7 8 9 10 11 12 1700 1750 1800 1850 1900 1950 2000 rf frequency (mhz) conversion gain (db) -40 deg c +25 deg c +85 deg c input ip3 vs rf frequency lo = 0 dbm, if = 240 mhz, low-side lo 24 26 28 30 32 34 1700 1750 1800 1850 1900 1950 2000 rf frequency (mhz) input ip3 (dbm) -40 deg c +25 deg c +85 deg c input ip2 vs rf frequency lo = 0 dbm, if = 240 mhz, low-side lo 32 34 36 38 40 42 1700 1750 1800 1850 1900 1950 2000 rf frequency (mhz) input ip2 (dbm) -40 deg c +25 deg c +85 deg c conversion gain vs rf frequency 25 deg c, lo = 0 dbm, if = 240 mhz, low-side lo 7 8 9 10 11 12 1700 1750 1800 1850 1900 1950 2000 rf frequency (mhz) conversion gain (db) vdd = 4.9 v vdd = 5.0 v vdd = 5.1 v input ip3 vs rf frequency 25 deg c, lo = 0 dbm, if = 240 mhz, low-side lo 24 26 28 30 32 34 1700 1750 1800 1850 1900 1950 2000 rf frequency (mhz) input ip3 (dbm) vdd = 4.9 v vdd = 5.0 v vdd = 5.1 v input ip2 vs rf frequency 25 deg c, lo = 0 dbm, if = 240 mhz, low-side lo 32 34 36 38 40 42 1700 1750 1800 1850 1900 1950 2000 rf frequency (mhz) input ip2 (dbm) vdd = 4.9 v vdd = 5.0 v vdd = 5.1 v
specifications and information are subject to change without notice wj communications, inc ? phone 1-800-wj1-4401 ? fax: 408-577-6621 ? e-mail: sales@wj.com ? web site: www.wj.com page 5 of 6 december 2005 cv211-1a pcs/dcs-band dual-branch downconverter product information the communications ed g e tm CV211-1APCB240 application circuit performance plots (cont?d) l-i isolation vs lo frequency referenced with lo = 0 dbm 15 20 25 30 35 40 1400 1500 1600 1700 1800 1900 2000 lo frequency (mhz) l-i isolation (db) -40 deg c +25 deg c +85 deg c l-r isolation vs lo frequency referenced with lo = 0 dbm 0 5 10 15 20 25 1400 1500 1600 1700 1800 1900 2000 lo frequency (mhz) l-r isolation (db) -40 deg c +25 deg c +85 deg c if return loss vs if frequency 25 c 0 5 10 15 20 25 30 215 225 235 245 255 265 if frequency (mhz) return loss (db) rf return loss vs rf frequency 25 c 0 5 10 15 20 25 30 1700 1750 1800 1850 1900 1950 2000 rf frequency (mhz) return loss (db) lo return loss vs lo frequency 25 c 0 5 10 15 20 25 30 1400 1500 1600 1700 1800 1900 2000 lo frequency (mhz) return loss (db) noise figure vs temperature rf = 1880 mhz, if = 240 mhz, lo = 0 dbm @ 1640 mhz 4 6 8 10 12 14 -40-200 20406080 temperature (c) noise figure (db) input p1db vs temperature rf = 1880 mhz, if = 240 mhz, lo = 0 dbm @ 1640 mhz 4 6 8 10 12 14 -40-200 20406080 temperature (c) input p1db (dbm)
specifications and information are subject to change without notice wj communications, inc ? phone 1-800-wj1-4401 ? fax: 408-577-6621 ? e-mail: sales@wj.com ? web site: www.wj.com page 6 of 6 december 2005 cv211-1a pcs/dcs-band dual-branch downconverter product information the communications ed g e tm cv211-1af mechanical information this package is lead-free/rohs-c ompliant. it is compatible with both lead -free (maximum 260 c reflow temperature) and leaded (maximum 245 c reflow temperature) soldering processes. the plating material on the pins is anne aled matte tin over copper. outline drawing mounting configuration / land pattern product marking the component will be lasermarked with a ?cv211-1af? product label with an alphanumeric lot code on the top surface of the package. tape and reel specifications for this part will be located on the website in the ?application notes? section. esd / msl information esd rating: class 1b value: passes  500v to <1000v test: human body model (hbm) standard: jedec standard jesd22-a114 esd rating: class iii value: passes  500v to <1000v test: charged device model (cdm) standard: jedec standard jesd22-c101 msl rating: level 2 at +260 c convection reflow standard: jedec standard j-std-020 functional pin layout pin function pin function 1 channel 1 mixer rf input 15 n/c or gnd 2 gnd 16 gnd 3 lo amp bias 17 lo input 4 gnd 18 gnd 5 n/c or gnd 19 n/c or gnd 6 gnd 20 gnd 7 channel 2 mixer / rf input 21 +5 v 8 gnd 22 gnd 9 channel 2 mixer / if output 23 channel 1 if amp output / bias 10 gnd 24 gnd 11 channel 2 if amp input 25 channel 1 if amp input 12 gnd 26 gnd 13 channel 2 if amp output / bias 27 channel 1 mixer if output 14 gnd 28 gnd


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