rf micro devices inc . 7628 thorndike road, gree nsboro, nc 27409 - 9421 ds1 4 0428 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . rf micro devices ? and rfmd ? are trademarks of rfmd, llc. bluetooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks, and registered trademarks are the property of their respective owners. ?2013, rf micro devices, in c. 1 of 10 rfvc1843a 10.19ghz to 11.33 ghz mmic vco with fo/2 and fo/4 outputs rfmd's rfvc1843a is a 5v ingap mmic vco with an integrated frequency divider providing additional fo/2 and fo/4 outputs. w i th an fo frequency range of 10.19ghz to 11.33 ghz its monolithic structure provides excellent temperature, shock, and vibration perfo rmance. output power (fo) is +7 dbm and is flat across the tuni ng voltage range of 1.5v to 14.5 v. phase noise is t ypically - 11 4 dbc/hz at 100 khz offset. the device operates from a low supply current of 275 ma whic h can be further reduced to 215 ma by disabling the divider functions if not required. the rfvc1843a is available in a low cost 5mm x 5mm surface mount plastic overmolded qfn outline. functional block diagram ordering information rfvc1843a s2 sample bag with 2 pieces rfvc1843a sb sample bag with 5 pieces rfvc1843a sq b ag with 25 pieces rfvc1843a sr bag with 100 pieces rfvc1843a tr7 7" reel with 750 pieces rfvc1843a pcba - 410 evaluation board package: plastic qfn, 32 - pin, 5 mm x 5mm x 0.85 mm features multiple frequency outputs ? fo: 10.19 ghz to 11.33 ghz ? fo/2: 5.10 ghz to 5.67 ghz ? fo/4: 2.5 5 ghz to 2.83 ghz no external resonator required integrated f requency divider phase noise: - 11 4 dbc/hz at 100khz offset flat output power over fre quency tuning range 1.5v to 14.5 v ? fo: 7 dbm ? fo/2: 8 dbm ? fo/4: - 2 dbm low power consumption ? 5 v/275 ma (divider on) ? 5v/215 ma (divider off) 32 - lead 5mm x 5 mm plastic overmolded qfn applications point - to - point radio point - to - multipoint radio satellite communications test equipment military aerospace rfvc1843a
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 4 0428 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro d evices, 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 c omponent circuitry, recommended application circuitry and specifications at any time without prior notice. 2 of 10 rfvc1843a absolute maximum rat ings parameter rating unit v cc_osc , v cc_dig +5.5 v v tune 0 to +1 4 v junction temperature (t j ) 135 c continuous p diss (t = 85c) (derate 37mw/c above t = 85c) 1.65 w storage temperature - 65 to +150 c operating temperature - 40 to +85 c esd sensitivity (hbm) class 1a caution! esd sensitive device. rfmd green: rohs compliant per eu directive 2011/65/eu, halogen free per iec 61249 - 2 - 21, <1000ppm each of antimony trioxide in polymeric materials and red phosphorus as a flame retardant, and <2% antimony solder. exceeding any one or a combination of the absolute maximum rating conditions may cause permanent damage to the device. extended application of absolute maximum rating conditions to the device may reduce device reliability. specified typical performance or functional operation of the device under absolute maximum rating conditions is not implied. nominal operating parameters parameter specification unit condition min typ max electrical specifications v cc = 5v, t a = +25c operating frequency fo 1 0.19 11.33 ghz fo/2 5.10 5.67 ghz fo/4 2.55 2.83 ghz output power fo 7 dbm fo/2 8 dbm fo/4 - 2 dbm ssb phase noise 10khz offs et at rf out - 90 - 80 dbc/hz 100 khz offset at rf out - 11 4 - 108 dbc/hz tune voltage 1.5 14.5 v supply current v cc_osc 21 5 ma v cc_dig 60 ma tune port leakage current 10 a output return loss 5 db
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 4 0428 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro d evices, 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 c omponent circuitry, recommended application circuitry and specifications at any time without prior notice. 3 of 10 rfvc1843a parameter specification unit condition min typ max electrical specifications (continued) harmonics/sub - harmonics measured with rf probes at package, not at sma connections on evb 1/2 50 dbc 3/2 40 dbc 2 nd 10 dbc 3 rd 18 dbc pulling (into a 2.0:1 vswr) 5 mhz pp pushing 1 0 mhz/v frequency drift rate 0.9 mhz/c
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 4 0428 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro d evices, 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 c omponent circuitry, recommended application circuitry and specifications at any time without prior notice. 4 of 10 rfvc1843a typical performance
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 4 0428 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro d evices, 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 c omponent circuitry, recommended application circuitry and specifications at any time without prior notice. 5 of 10 rfvc1843a typical performance (continued)
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 4 0428 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro d evices, 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 c omponent circuitry, recommended application circuitry and specifications at any time without prior notice. 6 of 10 rfvc1843a pin names and descriptions pin name description interface schematic 1 - 3 n/c no internal connection. 4 rfout/4 vco rf output at fo/4. externally dc - blocked. 5 gnd connect to pcb ground. 6 vcc_dig supply voltage input for the integrated frequency divider. typical +5v. ground this pin to disable digital divider and reduce current consumption by 65 ma. 7 - 10 n/c no internal connection . 11 gnd connect to pcb ground. see pin 5 interface schematic 12 rfout/2 vco rf output at fo/2. internally dc - blocked. 13 - 18 n/c no internal connection. 19 rfout vco rf output at fo. internally dc - blocked. 20 n/c no internal connection. 21 vcc_osc supply voltag e input for the vco. typical +5 v. 5 v r f o u t / 4 g n d v c c _ d i g r f o u t / 2 r f o u t v c c _ o s c
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 4 0428 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro d evices, 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 c omponent circuitry, recommended application circuitry and specifications at any time without prior notice. 7 of 10 rfvc1843a pin names and descriptions (continued) pin name description interface schematic 22 - 28 n/c no internal connection. 29 vtune vco control voltage input. 30 - 32 n/c no internal connection. pkg base gnd connect to pcb ground. see pin 5 interface schematic v t u n e
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 4 0428 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro d evices, 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 c omponent circuitry, recommended application circuitry and specifications at any time without prior notice. 8 of 10 rfvc1843a package drawing ( dimensions in millimeters ) notes: 1. dimensions are for reference only. 2. package body material: plastic. 3. lead and paddle plating: 8 m minimum of sn over cu leadframe. recommended pcb layout a
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 4 0428 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro d evices, 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 c omponent circuitry, recommended application circuitry and specifications at any time without prior notice. 9 of 10 rfvc1843a sample application circuit schematic bias conditions output v cc_osc = 5v f out = 10.4 ghz v cc_dig = 5v f out/2 = 5.2 ghz v tune = 5v f out/4 = 2.6 ghz
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 4 0428 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro d evices, 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 c omponent circuitry, recommended application circuitry and specifications at any time without prior notice. 10 of 10 rfvc1843a evaluation board layout evaluation board bill of materials (bom) item description u1 rfvc1843a vco c3, c5, c7, c8 1000 pf capacitor, 0402 package c2, c4, c6 4.7f tantalum capacitor c1 68f tantalum capacitor r1 0? resistor, 0603 package p1, p2 4 - pin dc connector j1, j2, j3, j4 pcb mount sma connector pcb vc183x410(d)
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