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1 of 16 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. ?2006, 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 sales-support@rfmd.com . rf mems ldmos gnd gnd nc gnd gnd gnd gnd gnd gnd nc gnd rfin hb rfin lb vramp tx enable gpctrl0 gpctrl1 vbatt nc antenna rx0 rx1 esd protection 78 6 5 4 3 2 122 20 19 18 17 16 15 14 13 12 11 10 9 21 amplifier switch cmos controller rf7168 dual-band gsm900/dcs1800 transmit module the rf7168 is a dual band (egsm900/dcs1800) gsm/gprs class 12 compliant transmit module with two symmetrical receive ports. this transmit module builds upon rfmd?s leading power amplifier with powerstar? integrated power control technology, phemt switch technol- ogy, and integrated transmit filtering for best-in-class harmonic performance. the results are high performance, reduced solution size, and ea se of implementation. the device is designed for use as the final portion of the transmitter section in a gsm900/dcs1800 handset and elim- inates the need for a pa-to-antenna switch module matching network. the device provides 50 matched input and output ports requiring no external matching components. the rf7168 features rfmd?s latest integrated power-flattening circuit, which significantly reduces current and power variation into load mismatch. additionally, a v batt tracking feature is incorporated to maintain switching performance as supply voltage decreases. the rf7168 also integrates an esd filter to provide excellent esd protection at the antenna port. the rf7168 is designed to provide maximum efficiency at rated p out . features ? 8kv robust esd protection at antenna port ? enhanced performance transmit module ? no external routing ? high efficiency at rated p out v batt =3.5v gsm900 41% dcs1800 38% ? low rx insertion loss ? symmetrical rx ports ? 0dbm to 6dbm drive level, >50db of dynamic range ? integrated power flattening circuit ? v batt tracking circuit applications ? 3v dual-band gsm/gprs handsets ? gsm900/dcs1800 products ? gprs class 12 compliant ? portable battery-powered equipment rf7168 dual-band gsm900/dcs1800 transmit module rf7168sb transmit module 5-piece sample pack rf7168pcba-41x fully assembled evaluation board ds100120 9 9 9 package style: module 6.63mmx5.24mmx1.0mm
2 of 16 rf7168 ds100120 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . absolute maximum ratings parameter rating unit supply voltage -0.3 to +6.0 v power control voltage (v ramp ) -0.3 to +1.8 v input rf power +10 dbm max duty cycle 50 % output load vswr 20:1 operating case temperature -20 to +85 c storage temperature -55 to +150 c parameter specification unit condition min. typ. max. esd esd rf ports 1000 v hbm, jesd22-a114 1000 v cdm, jedec jesd22-c101 esd antenna port 8 kv iec 61000-4-2 esd any other port 1000 v hbm, jesd22-a114 1000 v cdm, jedec jesd22-c101 overall power control v ramp power control ?on? 1.8 v max. p out power control ?off? 0.25 v min. p out v ramp input capacitance 15 20 pf dc to 200khz v ramp input current 10 av ramp =v ramp max power control range 50 db v ramp =0.25v to v ramp max overall power supply power supply voltage 3.0 3.5 4.8 v operating limits power supply current 1 20 ap in <-30dbm, tx enable=low, v ramp =0.25v, temp=-20c to +85c, v batt =4.8v overall control signals gpctrl0, gpctrl1 ?low? 0 0 0.5 v gpctrl0, gpctrl1 ?high? 1.25 2.0 3.0 v gpctrl0, gpctrl1 ?high current? 1 2 ua tx enable ?low? 0 0 0.5 v tx enable ?high? 1.25 2.0 3.0 v tx enable ?high current? 1 2 ua rf port input and output imped- ance 50 tx enable gpctrl1 gpc trl0 tx module mode 0 0 0 low power mode (stand-by) 010 rx 0 011 rx 1 1 1 0 gsm900 tx mode 1 1 1 dcs1800 tx mode caution! esd sensitive device. 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 perfor- mance or functional operation of the devi ce under absolute maximum rating condi- tions is not implied. rohs status based on eudirective2002/95/ec (at time of this document revision). 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.
3 of 16 rf7168 ds100120 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . parameter specification unit condition min. typ. max. gsm900 band nominal conditions unless otherwise stated. all unused ports are terminated. v batt =3.5v, p in =3dbm, temp=+25c, tx enable=high, v ramp =1.8v tx mode: gpctrl1=high, gpctrl0=low, duty cycle = 25%, pulse width = 1154 s operating frequency range 880 915 mhz input power 036dbmfull p out guaranteed at minimum drive level. input vswr 2.5:1 over p out range (5dbm to 33dbm) maximum output power 33 33.7 dbm duty cycle=25%, pulse width=1154 s 31 dbm v batt =3.0v to 4.8v, p in =0dbm to 6dbm, temp=-20c to +85c, duty cycle=50%, pulse width=2308 s, v ramp 1.8v minimum power into 3:1 vswr 30.5 dbm the measured delivered output power to the load with the mismatch loss already taken into account with 1db variation margin. v batt =3.7v. efficiency 36 41 % set v ramp =v ramp rated for p out =33dbm 2nd harmonic -40* -33 dbm v ramp =v ramp rated for p out =33dbm. *typical value measured from worst case harmonic fre- quency across the band. 3rd harmonic -40* -33 dbm v ramp =v ramp rated for p out =33dbm. *typical value measured from worst case harmonic fre- quency across the band. all other harmonics up to 12.75ghz -33 dbm v ramp =v ramp rated for p out =33dbm non-harmonic spurious up to 12.75ghz -36 dbm v ramp =v ramp rated for p out =33dbm, also over all power levels (5dbm to 33dbm) forward isolation 1 -54 -41 dbm tx enable=low, p in =6dbm, v ramp =0.25v forward isolation 2 -28 -15 dbm tx enable=high, p in =6dbm, v ramp =0.25v output noise power 925mhz to 935mhz -87 -77 dbm v ramp =v ramp rated for p out =33dbm, rbw=100khz 935mhz to 960mhz -89 -83 dbm 1805mhz to 1880mhz -93 -87 dbm output load vswr stability (spuri- ous emissions) -36 dbm vswr=12:1; all phase angles (set v ramp =v ramp rated for p out < 33dbm into 50 load; load switched to vswr=12:1) output load vswr ruggedness no damage or permanent degradation to device vswr=20:1; all phase angles (set v ramp =v ramp rated for p out =33dbm into 50 load; load switched to vswr=20:1)
4 of 16 rf7168 ds100120 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . parameter specification unit condition min. typ. max. dcs1800 band nominal conditions unless otherwise stated. all unused ports are terminated. v batt =3.5v, p in =3dbm, temp=+25c, tx enable=high, v ramp =1.8v tx mode: gpctrl1=high, gpctrl0=high, duty cycle=25%, pulse width=1154 s operating frequency range 1710 1785 mhz input power 036dbmfull p out guaranteed at minimum drive level. input vswr 2.5:1 over p out range (0dbm to 30dbm) maximum output power 30.0 31.5 dbm duty cycle=25%, pulse width=1154 s 28 dbm v batt =3.0v to 4.8v, p in =0dbm to 6dbm, temp=-20c to +85c, duty cycle=50%, pulse width=2308 s, v ramp 1.8v minimum power into 3:1 vswr 27 dbm the measured delivered output power to the load with the mismatch loss already taken into account with 1db variation margin.v batt =3.7v. efficiency 32 38 % set v ramp =v ramp rated for p out =30dbm 2nd harmonic -39* -33 dbm v ramp =v ramp rated for p out =30dbm. *typical value measured from worst case harmonic fre- quency across the band. 3rd harmonic -40* -33 dbm v ramp =v ramp rated for p out =30dbm. *typical value measured from worst case harmonic fre- quency across the band. all other harmonics up to 12.75ghz -33 dbm v ramp =v ramp rated for p out =30dbm non-harmonic spurious up to 12.75ghz -36 dbm v ramp =v ramp rated for p out =30dbm, also over all power levels (0dbm to 30dbm) forward isolation 1 -55 -53 dbm tx enable=low, p in =6dbm, v ramp =0.25v forward isolation 2 -25 -15 dbm tx enable=high, p in =6dbm, v ramp =0.25v output noise power 925mhz to 935mhz -98 -77 dbm v ramp =v ramp rated for p out =30dbm, rbw=100khz 935mhz to 960mhz -98 -83 dbm 1805mhz to 1880mhz -92 -79 dbm output load vswr stability (spuri- ous emissions) -36 dbm vswr=12:1; all phase angles (set v ramp =v ramp rated for p out < 30dbm into 50 load; load switched to vswr=12:1) output load vswr ruggedness no damage or permanent degradation to device vswr=20:1; all phase angles (set v ramp =v ramp rated for p out =30dbm into 50 load; load switched to vswr=20:1)
5 of 16 rf7168 ds100120 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . parameter specification unit condition min. typ. max. rx section nominal conditions unless otherwise stated. v batt =3.5v, p in =3dbm, temp=+25c, tx enable=low, v ramp =1.8v rx0 mode: gpctrl1=high, gpctrl0=low rx1 mode: gpctrl1=high, gpctrl0=high, rxo freq=925mhz to 960mhz, rx1 freq=1805mhz to 1880mhz insertion loss gsm900 ant-rx0/ rx1 1.1 1.3 db rxo freq=925mhz to 960mhz. see note 1. in-band ripple gsm900 ant-rx0/rx1 0.2 db rxo freq=925mhz to 960mhz input vswr gsm900 ant-rx0/rx1 1.5:1 rxo freq=925mhz to 960mhz insertion loss dcs1800 ant-rx0/rx1 1.3 1.6 db freq=1805mhz to 1880mhz. see note 1. in-band ripple dcs1800 ant-rx0/rx1 0.2 db freq=1805mhz to 1880mhz input vswr dcs1800 ant-rx0/rx1 1.8:1 freq=1805mhz to 1880mhz tx section switch leakage p out at rx port gsm900 ant-rx0/rx1 2 8 dbm gsm900 tx mode: freq=880mhz to 915mhz, gpctrl1=high, gpctrl0=low, v ramp =v ramp rated for p out =33dbm at antenna port. see note 2. switch leakage p out at rx port dcs1800 ant-rx0/rx1 4 6 dbm dcs1800 tx mode: freq=1710mhz to 1785mhz, gpctrl1=high, gpctrl0=high, v ramp =v ramp rated for p out =30dbm at antenna port. see note 2. note 1: the insertion loss values listed are measured into 50 without matching. improved performance can be obtained by properly match- ing the antenna/receiver ports. note 2: isolation specification set to ensure at least the following isolation at rated power: calculation example using typical values: p out at antenna-p out at rx port. isolation lb=33-2=31db, hb=30-4=26db.
6 of 16 rf7168 ds100120 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . pin function description interface schematic 1gnd 2rfin hb rf input to the dcs1800 band. this is a 50 input. 3gnd 4rfin lb rf input to the gsm900 band. this is a 50 input. 5gnd 6gnd 7 vramp v ramp ramping signal from dac. a simple rc filter is integrated into the rf7168 module. v ramp may or may not require additional filtering depend- ing on the baseband selected. 8 tx enable this signal enables the pa module for operation with a logic high. the switch is put in tx mode determined by gpctrl0 and gpctrl1. 9gpctrl0 control pin that together with gpctrl1 selects band of operation. 10 gpctrl1 control pin that together with gpctrl0 selects band of operation. 11 vbatt power supply for the module. this should be connected to the battery ter- minal using as wide a trace as possible. 12 nc 13 gnd 14 gnd 15 antenna antenna port. 16 nc 17 rx1 rx1 port of antenna switch. this is a 50 output. rx1 is interchangeable with rx0. 18 rx0 rx0 port of antenna switch. this is a 50 output. rx0 is interchangeable with rx1. 19 nc 20 gnd 21 gnd 22 gnd 23 gnd hb rf in lb rf in + - tx enable tx on rx1800 rx900
7 of 16 rf7168 ds100120 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . pin out (top view) 1 8 9 10 16 11 17 18 3 rfin hb gnd gnd gnd rx0 gnd vbatt 7 nc 2 gnd 4 5 rfin lb 6 12 rx1 13 nc 14 antenna 19 gpctrl1 20 gpctrl0 21 tx enable 22 vramp 15 gnd 23 23 gnd gnd gnd gnd gnd nc
8 of 16 rf7168 ds100120 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . theory of operation product description the rf7168 is a dual-band, transmit module (txm) with fully-integrated power control functionality, harmonic filtering, band selectivity, and tx/rx switching. th e txm is self-contained, having 50 i/o terminals and two symmetrical rx ports allowing dual-band operation. the power control function eliminates a ll power control circuitry, including directional couplers, diode detectors, and power control asics, etc. the power control capa bility provides 50db of continuous control range and 70db of total control range, using a dac-compatible, analog voltage input. the tx enable feature provides for pa activation (tx mode) o r rx mode/standby. internal switching provides a low-loss, low-distortion path from the antenna port to the tx path (or rx port), while maintaining proper isolation. integrated filtering provides etsi-compliant harmonic suppre ssion at the antenna port even under high mismatch conditions, which is important as modern antennas often present a load that significantly deviates from nominal impedance. overview the rf7168 simplifies the phone design by eliminating the need for the complicated control loop, harmonic filters, and tx/rx switch along with their associated matching components. the powe r control loop can be driven directly from the dac output in the baseband circuit. the module has two rx ports for egsm 900 and dcs1800 bands of operation. the 2 rx ports are sym- metrical, they can be used either as egsm900 or dcs1800. to co ntrol the mode of operation, there are three logic control sig- nals: tx enable, gpctrl0, and gpctrl1. rf7168 offers high efficiency at the rated p out as backed-off efficiency is improved in this txm. power on sequence the rf7168 should be powered on according to the power-on sequence below. it is designed to prevent operation of the ampli- fier under conditions that could cause da mage to the device or erratic operation. there are some setup times associated with the control signals of the rf7168. the most important of these is the settling time between txen going high and when v ramp can begin to increase. this time is often referred to as the "pedestal" and is required so that the internal power control loop and bias ci rcuitry can settle after being turned on. the rf7168 requires at least 2 s or two quarter-bit times for proper settling of the power control loop. the power-down sequence is in opposite order of the power-on sequence. as described in the figure below, v batt is applied first to provide bias to the silicon control chip. then the rf drive is applied. finally, when txen is high, the v ramp signal is held at a constant 0.25v, and 2 s later, v ramp begins to ramp up. the shape of v ramp is important for maintaining the switching tran- sients. the basic shape of the ramping function should be raised cosine to achieve best transient performance.
9 of 16 rf7168 ds100120 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . 1. apply v batt 2. apply gpctrl0, gpctrl1, rfin and tx enable 3. apply v ramp at least 2 s after tx enable 4. the power down sequence is in opposite order of the power on sequence power flattening and v batt tracking the rf7168 has an integrated power flattening circuit that redu ces the amount of current variation when a mismatch is pre- sented to the output of the pa. when a mismatch is presented to the output of the pa, its output impedance is varied and could present a load that will increase output power. as the output power increases, so does current consumption. the current con- sumption can become very high if not monitored and limited. th e power flattening circuit is integrated onto the cmos control- ler and requires no input from the user. into a mismatch, the current varies as the phase changes. the power flattening circuit monitors current through an internal sense resistor. as the current changes, the loop is adjusted in order to maintain current. the result is flatter power and redu ced current into mismatch. the rf7168 also incorporates a v batt tracking feature that eliminates the need for the transceiver/baseband to regulate the ramping signal as the supply voltage decreases. the internal ci rcuit monitors the supply voltage and adjusts the ramping signal such that the switching spectrum is minimally impacted. v batt rf in gpctrl 0, gpctrl1 tx enable v ramp 3 dbm > 1. 25 v > 1. 25 v 0.25v for pout_min vramp starts at least 2 us after tx enable goes high vramp settles at least 2 us before tx enable goes low 3.0v to 4.8v 1.8v pout_max figure 1. timing diagram
10 of 16 rf7168 ds100120 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . application schematic rfin hb rfin lb vramp tx enable gpctrl0 gpctrl1 vbatt antenna rx0 rx1 esd protection 78 6 5 4 3 2 122 20 19 18 17 16 15 14 13 12 11 10 9 21 c1 22 pf c2 56 pf c5 33 pf c3 22 uf c4 33 pf c8 1.2 pf l1 2.2 nh l2 2.2 nh *all inputs, outputs, and antenna traces are 50 ? micro strip. **vbatt capacitor value may change depending on application. ***rx0 and rx1 usually connect to saw filters; c4 and c5 are used to block dc voltage present on the rx ports. c6 and c7 are u sed to match the rx port to a 50 ? filter. ****if placing an attenuation network on the input to the power amplifier, ensure that it is positioned on the transceiver side of capacitor c1 (or c2) to prevent adversely affecting the base biasing of the power amplifier. *****l1, l2, and c8 is a suggested external lpf to suppress higher order harmonics. actual component values will depend on the application. c6 0.5 pf c7 0.5 pf amplifier switch cmos controller
11 of 16 rf7168 ds100120 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . evaluation board schematic notes: c4 is an optional bypass capacitor that is not used on the evb. c9, c10, and c11 are optional decoupling capacitors which may not be needed in application. rx0 and rx1 usually conn ect to saw filters. c5 and c6 are used to block the dc volt- age present on the rx ports. shunt caps c12 and c13 are used to match the rx ports to a 50 filter. r4, r5, and r6 are not placed. 1 2 c1 22pf 1 2 c2 56pf 2 1 c4 dni 1 2 c6 33pf 1 2 c5 33pf j1 j4 j2 j3 j5 vramp gpctrl 0 gpctrl 1 txenable 12 c9 100pf 12 c10 100pf 1 2 c11 100pf gpctrl 0 gpctrl 1 txenable hb_rf_in lb_rf_in rx0 rx1 ant 1 2 3 4 5 6 7 8 9 10 11 12 13 14 p1 hdr_1x14 + c3 22uf vbatt gpctrl 0 gpctrl 1 txenable vramp vbatt v sense gnd 1 rfin_hb 2 vramp 7 gnd 5 rfin_lb 4 gnd 3 gnd 12 vbatt 11 gpc1 10 gpc0 9 txen 8 gnd 6 gnd 13 ant 15 gnd 16 rx1 17 gnd 14 rx0 18 gnd 19 gnd 20 gnd 21 gnd 22 gnd 23 u1 rf7168 r4 dni r5 dni r6 dni 1 2 c12 0.5pf 12 c13 0.5pf
12 of 16 rf7168 ds100120 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . evaluation board layout board size 2.0? x 2.0?
13 of 16 rf7168 ds100120 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . package drawing notes: yy indicates year, ww indicates work week, and trace code is a sequential number assigned at device assembly. shaded areas represent pin 1 location.
14 of 16 rf7168 ds100120 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . pcb design requirements pcb surface finish the pcb surface finish used for rfmd's qualification process is electroless nickel, immersio n gold. typical thickness is 3 inch to 8 inch gold over 180 inch nickel. pcb land pattern recommendation pcb land patterns for rfmd components are based on ipc-735 1 standards and rfmd empirica l data. the pad pattern shown has been developed and tested for optimized assembly at rf md. the pcb land pattern has been developed to accommodate lead and package tolerances. since surface mount processes va ry from company to company, careful process development is recommended. pcb metal land and solder mask pattern
15 of 16 rf7168 ds100120 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . tape and reel carrier tape basic dimensions are based on eia 481. the pocket is designed to hold the part for shipping and loading onto smt manufacturing equipment, while protecting the body and the solder terminals from damaging stresses. the individual pocket design can vary from vendor to vendor, but width and pitch will be consistent. carrier tape is wound or placed onto a shipping reel either 330mm (13 inches) in diameter or 178mm (7 inches) in diameter. the center hub design is large enough to ensure the radius formed by the carrier tape around it does not put unnecessary stress on the parts. prior to shipping, moisture sensitive parts (msl level 2a-5a) ar e baked and placed into the pockets of the carrier tape. a cove r tape is sealed over the top of the entire length of the carrier tape. the reel is sealed in a moisture barrier esd bag with the appropriate units of desiccant and a humidity indicator card, whic h is placed in a cardboard shipping box. it is important to note that unused moisture sensitive parts need to be resealed in the moisture barrier bag. if the reels exceed the exposure limit and need to be rebaked, most carrier tape and shipping reels are not rated as bakeable at 125c. if baking is required, devices may be baked according to section 4, table 4- 1, of joint industry standard ipc/jedec j-std-033. the table below provides information for carrier tape and reel s used for shipping the devices described in this document. tape and reel rfmd part number reel diameter inch (mm) hub diameter inch (mm) width (mm) pocket pitch (mm) feed units per reel rf7168tr13 13 (330) 4 (102) 12 8 single 2500 RF7168TR7 7 (178) 2.4 (61) 12 8 single 750 part number yyww trace code part number yyww trace code part number yyww trace code unless otherwise specified, all dimension tolerances per eia-481. 400 mm leade r direction of feed sprocket holes toward rear of reel 400 mm trailer top view pin 1 location part number yyww trace code figure 1. 5.24mmx6.63mm (carrier ta pe drawing with part orientation)
16 of 16 rf7168 ds100120 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . rohs compliant: yes package total weight in grams (g): 0.121 compliance date code: - bill of materials revision: - pb free category: e4 pb cd hg cr vi pbb pbde die 000000 molding compound 000000 lead frame 000000 die attach epoxy 000000 wire 000000 solder plating 000000 * directive 2002/95/ec of the european parliament and of the council of 27 january 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment rohs* banned material content bill of materials parts per million (ppm) this rohs banned material content declaration was prepared solely on information, including analytical data, provided to rfmd b y its suppliers, and applies to the bill of materials (bom) revision noted above.

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