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 january 2006 cv210-1a cellular-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 ? +30 dbm input ip3 ? +11.5 dbm input p1db ? rf: 800 ? 915 mhz ? if: 65 ? 120 mhz ? single supply operation (+5 v) ? pb-free 6mm 28-pin qfn package ? low-side lo configuration ? common footprint with other pcs/umts/cellular versions product description the cv210-1a 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 6x6 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 gas mesfet and ingap hbt technology. typical applications include frequency downconversion used in cdma/gsm/tdma, cdma2000, w-cdma, and edge 2.5g and 3g mobile base transceiver stations. functional diagram top view specifications (1) parameters units min typ max comments rf frequency range mhz 800 ? 915 lo frequency range mhz 680 ? 850 if center frequency range mhz 65 ? 120 see note 2 % bandwidth around if center frequency % 7.5 see note 3 if test frequency mhz 75 ssb conversion gain db 8 10 12 temp = 25 c gain drift over temp (-40 c to 85 c) db -1.5 0.1 1.5 referenced to +25 c input ip3 dbm +25 +30 see note 4 input ip2 dbm +33 +36.5 see note 4 input 1 db compression point dbm +11.5 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 20 p lo = 0 dbm lo-if isolation db 35 p lo = 0 dbm branch-branch isolation db 56 return loss: rf port db 15 return loss: lo port db 20 return loss: if port db 16 operating supply voltage v +5 supply current ma 320 385 475 thermal resistance c / w 27 junction temperature c 160 see note 6 1. specifications when using the application specific circuit (show n on page 3) with a low side lo = 0 dbm and if = 75 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 components. specifications are valid around the total 7.5% bandwidth. ie. with a center frequency of 80 mhz, the specifications are valid from 80 6 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 mtbf 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 a bove any of these parameters may cause permanent damage. ordering information part no. description cv210-1af cellular-band dual-branch downconverter (lead-free/rohs-compliant 6x6mm qfn package) CV210-1APCB75 fully-assembled a pplication board, if = 75mhz 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 n/c gnd bias gnd n/c gnd n/c gnd mixer if/rf1 gnd a mp1 input gnd gnd gnd mixe r if/rf2 gnd gnd gnd rf/if rf/if amp2 input if1 output if2 output lpf
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 january 2006 cv210-1a cellular-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 18.5 35.0 8.5 85 -8 18.5 35.0 8.5 if amplifier 18 4.5 23.5 2.2 150 10 11.5 29.9 10.5 cv210-1a cumulative performance 385* 10 +11.5 +29.9 10.5 * the 2 nd branch includes another mixer and if amplifier, which increases the total current consumption of the mcm to be 385 ma. cv210-1a : 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: in a downconversion appl ication, the incoming rf signal impinges on the switching elem ents of the mixer; the interaction with these switches produces a signal at the if frequency. the two signals (rf and if) are directed to th e appropriate ports by the external diplexer. a six-element diplexer is used in the circuit implementation. 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 n/c gnd bias gnd n/c gnd n/c gnd mixer if/rf1 gnd a mp1 input gnd gnd gnd mixe r if/rf2 gnd gnd gnd rf/if rf/if amp2 input if1 output if2 output lpf
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 january 2006 cv210-1a cellular-band dual-branch downconverter product information the communications ed g e tm application circuit: if = 75 mhz (CV210-1APCB75) pcb layout circuit board material: .014? fr-4, 4 layers, .062? total thickness bill of materials ref. desig. component size r1 11.3 chip resistor 0805 r2, r3, r4, l10 l11, c16, c17 0 chip resistor 0603 r6, r7 3.3 chip resistor 0603 c1, c5, c10, c15 1000 pf chip capacitor 0603 c2, c8 3.9 pf chip capacitor 0603 c3, c9 8.2 pf chip capacitor 0603 c4, c11 22 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 l2, l6 12 nh chip inductor 0603 l3, l7 22 nh chip inductor 0603 l4, l8 150 nh chip inductor 0603 l5, l9 220 nh chip i nductor 0805 c19, c20, c21, c22 do not place u1 cv210-1a 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 january 2006 cv210-1a cellular-band dual-branch downconverter product information the communications ed g e tm CV210-1APCB75 application circuit performance plots conversion gain vs if frequency lo = 0 dbm, 740 mhz 7 8 9 10 11 12 65 70 75 80 85 if frequency (mhz) conversion gain (db) -40 c +25 c +85 c input ip3 vs if frequency lo = 0 dbm, 740 mhz 22 24 26 28 30 32 65 70 75 80 85 if frequency (mhz) input ip3 (dbm) -40 c +25 c +85 c input ip2 vs if frequency lo = 0 dbm, 740 mhz 30 32 34 36 38 40 65 70 75 80 85 if frequency (mhz) input ip2 (dbm) -40 c +25 c +85 c conversion gain vs rf frequency 25 c, if = 75 mhz, low-side lo 7 8 9 10 11 12 800 825 850 875 900 925 rf frequency (mhz) conversion gain (db) lo = -2.5 dbm lo = 0 dbm lo = 2.5 dbm input ip3 vs rf frequency 25 c, if = 75 mhz, low-side lo 22 24 26 28 30 32 800 825 850 875 900 925 rf frequency (mhz) input ip3 (dbm) lo = -2.5 dbm lo = 0 dbm lo = 2.5 dbm input ip2 vs rf frequency 25 c, if = 75 mhz, low-side lo 30 32 34 36 38 40 800 825 850 875 900 925 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 = 75 mhz, low-side lo 7 8 9 10 11 12 800 825 850 875 900 925 rf frequency (mhz) conversion gain (db) -40 c +25 c +85 c input ip3 vs rf frequency lo = 0 dbm, if = 75 mhz, low-side lo 22 24 26 28 30 32 800 825 850 875 900 925 950 rf frequency (mhz) input ip3 (dbm) -40 c +25 c +85 c input ip2 vs rf frequency lo = 0 dbm, if = 75 mhz, low-side lo 30 32 34 36 38 40 800 825 850 875 900 925 950 rf frequency (mhz) input ip2 (dbm) -40 c +25 c +85 c conversion gain vs rf frequency 25 c, lo = 0 dbm, if = 75 mhz, low-side lo 7 8 9 10 11 12 800 825 850 875 900 925 rf frequency (mhz) conversion gain (db) vdd = 4.9 v vdd = 5.0 v vdd = 5.1 v input ip3 vs rf frequency 25 c, lo = 0 dbm, if = 75 mhz, low-side lo 22 24 26 28 30 32 800 825 850 875 900 925 rf frequency (mhz) input ip3 (dbm) vdd = 4.9 v vdd = 5.0 v vdd = 5.1 v input ip2 vs rf frequency 25 c, lo = 0 dbm, if = 75 mhz, low-side lo 30 32 34 36 38 40 800 825 850 875 900 925 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 january 2006 cv210-1a cellular-band dual-branch downconverter product information the communications ed g e tm CV210-1APCB75 application circuit performance plots (cont?d) l-r isolation vs lo frequency referenced with lo = 0 dbm 0 5 10 15 20 25 30 35 650 700 750 800 850 900 lo frequency (mhz) l-r isolation (db) -40 c +25 c +85 c l-i isolation vs lo frequency referenced with lo = 0 dbm 15 20 25 30 35 40 650 700 750 800 850 900 lo frequency (mhz) l-i isolation (db) -40 c +25 c +85 c branch-branch isolation vs rf frequency 25 c 20 30 40 50 60 70 800 825 850 875 900 925 rf frequency (mhz) isolation (db) if return loss vs if frequency 25 c 0 5 10 15 20 25 30 65 70 75 80 85 if frequency (mhz) return loss (db) rf return loss vs rf frequency 25 c 0 5 10 15 20 25 30 800 825 850 875 900 925 rf frequency (mhz) return loss (db) lo return loss vs lo frequency 25 c 0 5 10 15 20 25 30 700 725 750 775 800 825 850 875 lo frequency (mhz) return loss (db) noise figure vs temperature rf = 815 mhz, if = 75 mhz, lo = 0 dbm @ 740 mhz 4 6 8 10 12 14 -40-200 20406080 temperature (c) noise figure (db) input p1db vs temperature rf = 815 mhz, if = 75 mhz, lo = 0 dbm @ 740 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 january 2006 cv210-1a cellular-band dual-branch downconverter product information the communications ed g e tm cv210-1af 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 ?cv210-1af? 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 no connect 15 no connect 2 gnd 16 gnd 3 lo amp bias 17 lo input 4 gnd 18 gnd 5 no connect 19 no connect 6 gnd 20 gnd 7 no connect 21 +5 v 8 gnd 22 gnd 9 channel 2 mixer if/rf port (goes to diplexer) 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 2 mixer if/rf port (goes to diplexer) 14 gnd 28 gnd
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