To Download RF5345SR Datasheet File

3 of 20 rf5345 ds120215 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. 2.4ghz transmit parameters, cont?d current consumption i cc 150 250 ma rfp out =17dbm, 54mbps ieee802.11g 200 250 ma rfp out =20dbm, 1mbps ieee802.11b idle 110 250 ma v cc =3.3v, v reg =2.8v, and rf=off i reg 35mav reg >2.75v leakage 2 10 ? av cc is ?on?, v reg < 0.2v power supply 3.0 3.3 4.8 v v reg 2.75 2.8 3.0 v for ?pa? in ?off? state: v reg < 0.2v input/output impedance 50 ? ruggedness output vswr 10:1 no damage conditions: max operating voltage, max input power, max temperature stability output vswr 5:1 pa must be stable (no spurs above -43dbm) from 0 to p1db, all phase angles, no spurious or oscillations. out of band emissions pa must be stab le (no spurs above -43dbm) from 0 to p1db, all phase angles, no spurious or oscillations. 2310mhz to 2390mhz and 2483.5mhz to 2500mhz (see note 4) -43 dbm/mhz p out =15dbm for 11g, 54mbps ofdm p out =18dbm for 11b, 1mbps cck thermal resistance 79.3 c/w v cc =3.3, v reg =2.9v, c_tx=3.3, c_rx=c_bt=gnd, p out =17dbm, modulation=on, freq=2.45ghz, d cc =100%, t=85c 87.2 c/w v cc =4.8, v reg =3v, c_tx=3.3, c_rx=c_bt=gnd, p out =17dbm, modulation=on, freq=2.45ghz, d cc =100%, t=85c harmonics rbw=1mhz, vbw=100khz. measured at 1mbps. second -38 dbm/mhz 4.80ghz to 5.00ghz, p out =18.5dbm using 1mbps cck signal third -36 dbm/mhz 7.20ghz to 7.50ghz, p out =18.5dbm using 1mbps cck signal turn-on/off time 0.5 1.0 ? s output stable to within 90% of final gain antenna port impedance (note 2) this pin is internally matched for a 50w load and it is a dc short to ground. see functional block diagram for more details. input 50 ? receive output 50 ? transmit switch control voltage low 0 0.2 v high 2.7 v cc vv hi max can go up to 4.8v or the voltage supply which- ever is lower switch control current 10 ? a per control line (except c_rx) switch rx current (c_rx) 200 ua switch control speed 100 nsec
4 of 20 rf5345 ds120215 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . isolation table parameter specification unit condition min. typ. max. 2.4ghz transmit parameters, cont?d esd eia/jesd22-114a, eia/jesd22-115a human body model 500 v rf pins 750 v dc pins change device model (cdm) 500 v all pins 2.4ghz receive parameters frequency 2.4 2.5 ghz receive gain 9 10.5 db wifi rx only mode shared mode 6 8 db simultaneous wifi and bt receive mode (unused port terminated in 50 ? ) noise figure 2.8 3.6 db wifi rx mode including switch passband ripple -0.5 0.5 db bypass wifi rx insertion loss 7 db output return loss 7 db wifi rx mode 7 db wifi and bt rx shared mode output impedance 50 ? no external matching lna v dd voltage 2.7 3.0 3.3 v applied at pin 1 (same as lna_bias) lna v dd current consumption 6 8 ma measured from lna_bias (pin 1) lna_bias voltage 2.7 3.0 3.3 v enables the lna lna leakage 5 ua measured from lna_bias (pin 1) bluetooth ? parameters frequency 2.4 2.5 ghz insertion loss 1.5 2.0 db sp3t switch, all unused ports terminated into their nom- inal impedance. bluetooth ? mode only passband ripple -0.2 +0.2 db wifi rx and bt rx modes output return loss 10 db bt only mode output return loss (shared mode) 10 ? simultaneous wifi and bt receive mode output impedance 50 ? no external matching current consumption 10 ? a switch leakage current *the evm specification is obtained with a signal generator that has an evm level <0.7%. parameter min. typ. max. unit wifi rx to bt rx/tx 17 db wifi tx to bt rx/tx 17 db wifi rx to wifi tx 17 db note: the output power for channels 1 & 11 ma y be reduced to meet fcc restricted band requirements.
5 of 20 rf5345 ds120215 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 1lna bias voltage supply for the lna. without lna bias ?on?, the lna will be switched into bypass mode. 2rx out receive port for 802.11b/g/n band. internally matched to 50 ? . dc block provided. 3tx in rf input for the 802.11b/g/n pa. input is matched to 50 ? and dc block is provided. 4vreg regulated voltage for the pa bias control circuit. an external bypass capacitor may be needed on the v reg line for decou- pling purposes. 5pdetect power detector voltage for tx operation. pdet voltage va ries with output power. may need external decoupling. 6vcc b supply voltage for the bias circuit of the pa. add an external 56pf bypass capacitor for low frequency decoupling. 7 vcc 1 supply voltage for the first stage of the pa. add an external 1nf capacitor for low frequency decoupling. 8n/c no connect. 9 vcc 2 supply voltage for the second stage of the pa. add an external 0.1uf capacitor for low frequency decoupling. 10 gnd ground. 11 ant antenna port. this pin is internally matched for a 50 ? load and it is a dc short to ground. see functional block diagram for more details. 12 c bt bluetooth ? mode. bt will always assert this pin when transmi tting, or when receiving in bt-only mode. see truth table for proper settings. 13 bt bluetooth ? rf port. 14 c tx transmit mode. see truth table for proper settings. 15 c rx receive mode. see truth table for proper settings. 16 c shared rx shared mode operation between wifi receive and bluetooth ? receive. switch acts as a 3db splitter. see truth table for proper settings.
6 of 20 rf5345 ds120215 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . rf5345 biasing instructions: ? 802.11b/g/n transmit ? connect the fem to a signal generator at the input and a spectrum analyzer at the output. ?bias v cc to 3.3v first with v reg =0.0v ? refer to switch operational truth table to set the control lines at the proper levels for wifi tx. ? turn on v reg to 2.8v (typ.). v reg controls the current drawn by the 802.11b/g/n power amplifier and the current should quickly rise to ~110ma20ma for a typical part but it varies ba sed on the output power desired. be extremely careful not to exceed 3.4v on the v reg pin or the part may exceed device current limits. ? 802.11 b/g/n receive ? to receive wifi set the switch contro l lines per the truth table below. ? bluetooth ? receive ? to receive bluetooth ? set the switch control lines per the truth table below. switch control logic *note: it is recommended that shared mode c_btb (pin-16) is set to high and the bt radio off for best performance. **note: setting lna_bias to ?low? enables the lna bypass switch . therefore, if lna_bias is set to ?high? during transmit mode, tx to rx isolation improves. this is an optional setting if additional tx to rx isolation is required for the system. fem pin # --> 14 15 16 12 1 case mode c tx c rx c shared rx c bt lna bias bt radio wifi rx radio wifi tx radio 1 wifi_tx high low x low **high or low off off on 2 wifi_rx low high *high or low low high off on off 3 wifi_rx (bypassed) low high *high or low low low off on off 4 bt_tx low low low high low on off off 5 bt_rx low low low high low on off off 6 wifi_rx + bt_rx (shared) low high high low high on on off 7 wifi_rx + bt_rx (shared bypassed) low high high low low on on off
7 of 20 rf5345 ds120215 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 1.900 1.900 pin 1 indicator 3.000 0.1 3.000 0.1 0.230 0.062 0.450 0.05 0.500 0.300 0.550 0.030.05 0.152.05 0.25 0.238 notes: 1 shaded area is pin 1 indicator
8 of 20 rf5345 ds120215 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . rf5345 pcb footprint and stencil recommendations thermal vias for center slug ?b? 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 requirements. example of the number and size of vias can be found on the rfmd evaluation board layout.
9 of 20 rf5345 ds120215 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 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 50 ? ? strip j3 rx_out c_shared_rx 50 ? ? strip j2 ant 50 ? ? strip j1 tx_in r1 0 ? pdetect note 2: vcc_b, vcc1 and vcc2 may be tied together to the voltage supply l2 3.0 nh c7 1 1 ? f l3 1.8 nh j3 bt c_tx c_rx c1 0.1 ? f lna_bias l1 0.8 nh vcc_1 2 n/c vcc_2 2 17 gnd c_bt pa vcc c6 dnp note 1: capacitors c7, and c8 are critical components to maintain linear output power and proper supply decoupling vcc_b 2 c8 1 0.1 ? f c4 330 pf vreg c_btr p2 1 2 3 4 5 6 c_rx c_shared_rx c_tx lna bias gnd vcc p1 1 2 3 4 vreg gnd pdetect
10 of 20 rf5345 ds120215 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . rf5345 transmit performance rf5345 evm and gain vs. temperature and power (vcc=3.3v, vreg=2.8v, 64qam 54mbps, freq=2.45ghz, 10% duty cycle) 0 2 4 6 8 10 12 14 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ouput power (dbm) evm (%) 15 17 19 21 23 25 27 29 gain (db) evm ( - 10c ) evm ( + 25c ) evm ( + 75c ) gain ( - 10c ) gain ( + 25c ) gain (+75c) rf5345 evm and gain vs. frequency and power (vcc=3.3v, vreg=2.8v, 64qam 54mbps, 10% duty cycle, temp=25c) 0 2 4 6 8 10 12 14 0123456789101112131415161718192021 ouput power (dbm) evm (%) 15 17 19 21 23 25 27 29 gain (db) evm (2.4ghz) evm (2.45ghz) evm (2.5ghz) gain (2.4ghz) gain (2.45ghz) gain (2.5ghz) rf5345 evm and gain vs. supply voltage and power (vreg=2.8v, 64qam 54mbps, freq=2.45ghz, 10% duty cycle, temp=25c) 0 2 4 6 8 10 12 14 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ouput power (dbm) evm (%) 15 17 19 21 23 25 27 29 gain (db) evm (3.0v) evm (3.3v) evm (4.8v) gain (3.0v) gain (3.3v) gain (4.8v) rf5345 icc vs. temperature and power (vcc=3.3v, vreg=2.8v, 64qam 54mbps, freq=2450mhz, 10% duty cycle) 90 110 130 150 170 190 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ouput power (dbm) icc (ma) temp = -10c temp = +25c temp = +75c rf5345 icc vs. frequency and power (vcc=3.3v, vreg=2.8v, 64qam 54mbps, temp=25c, 10% duty cycle) 90 11 0 13 0 15 0 17 0 19 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ouput power (dbm) icc (ma) freq = 2.4ghz freq = 2.45ghz freq = 2.5ghz rf5345 icc vs. supply voltage and power (vreg=2.8v, 64qam 54mbps, freq=2.45ghz, temp=25c, 10% duty cycle) 90 110 130 150 170 190 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ouput power (dbm) icc (ma) vcc = 3.0v vcc = 3.3v vcc = 4.8v
11 of 20 rf5345 ds120215 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . rf5345 power detector voltage vs. temperature and power (vcc=3.3v, vreg=2.8v, 64qam 54mbps, freq=2450mhz, 10% duty cycle) 0.000 0.200 0.400 0.600 0.800 1.000 1.200 1.400 1.600 1.800 0123456789101112131415161718192021 ouput power (dbm) pdetect voltage (v) temp = -10c temp = +25c temp = +75c rf5345 power detector voltage vs. frequency and power (vcc=3.3v, vreg=2.8v, 64qam 54mbps, temp=25c, 10% duty cycle) 0.000 0.200 0.400 0.600 0.800 1.000 1.200 1.400 1.600 1.800 0 1 2 3 4 5 6 7 8 9 101112131415161718192021 ouput power (dbm) pdetect voltage (v) freq = 2.4ghz freq = 2.45ghz freq = 2.5ghz rf5345 power detector voltage vs. supply voltage and power (vreg=2.8v, 64qam 54mbps, freq=2.45ghz, temp=25c, 10% duty cycle) 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ouput power (dbm) pdetect voltage (v) vcc = 3.0v vcc = 3.3v vcc = 4.8v
12 of 20 rf5345 ds120215 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . rf5345 receive performance rf5345 receive s-parameters vs. temperature vs. frequency (shared mode, vcc=3.3v, lna_en=2.7v, control voltages=2.7v) -35 -30 -25 -20 -15 -10 -5 0 5 10 15 2300 2350 2400 2450 2500 2550 2600 frequency (mhz) magnitude (db) s11: -10c s21: -10c s22: -10c s11: 25c s21: 25c s22: 25c s11: 75c s21: 75c s22: 75c rf5345 receive noise figure vs. temperature vs. frequency (shared mode, vcc=3.3v, lna_en=2.7v, control voltages=2.7v) 0 1 2 3 4 5 6 2400 2450 2500 frequency (mhz) nf ( db) nf : 25c nf : -10c nf : 75c rf5345 input ip3 vs. temperature vs. frequency (shared mode, lna_bias=3.3v) 0 2 4 6 8 10 12 14 2400 2450 2500 frequency (mhz) in put ip3 ( db ) temp = - 10c temp = + 25c temp = + 75c
13 of 20 rf5345 ds120215 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . rf5345 theory of operation the rf5345 fem can be applied in many port able applications such as handsets, di gital cameras, pers onal media players, and more. this highly integrated module can be connected di rectly to the battery without additional voltage regulators. wifi transmit mode the rf5345 requires a single positive supply (vcc), a positive supply for switch controls, and a regulated supply for the vreg pin to maintain nominal bias current. if desired, the switch control voltages may be tied directly to vcc as long as the maximu m operating voltage does not exceed 4.8v. the rf5345 transmit path has a typical gain of 25db from 2.4ghz to 2.5ghz, and delivers 17dbm typical output power under 54mbps of dm modulation and 20dbm under 1mbps 11b modulation. while in transmit mode, the active components are the power ampl ifier (pa) and the tx branch of the sp3t switch. refer to fig- ures 1 and 2 below for proper settings. figure 1. wifi transmit path test setup sig gen dut main supply voltage dual channel spectrum analyzer p-meter p-sensor tx_in port ant port vreg supply voltage dual channel coupler multimeter to sense pdetect vcc v_control p-sensor coupler
14 of 20 rf5345 ds120215 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . figure 2. wifi transmit control settings and signal flow diagram once the test setup and dut have been configured as indicated in figure 1 and 2, the off branches of the sp3t switch (c_rx, and c_bt) must be set to a logic state ?low ? (0.2v max) or grounded. in the event that one of these branches are left floating or in logic state ?high? the performance of the pa will degrade significantly. likewise, unused rf ports must be terminated in 50 ? to simulate actual system conditions and prevent rf signals from coupling back to the pa. the following sequence for turning the pa ?on? is recommended: 1. bias vcc to 3.3v (pins 6, 7, and 9) while vreg an d c_tx (pins 4 and 14) are at 0.0v and rf is ?off.? 2. set c_tx ?high?. this properly terminates the pa berfore turning vreg ?on.? 3. turn vreg (pin 4) ?on? to 2.8v. this pin controls the current drawn by the pa and it should quickly reach the quiescent cur- rent approximately 110ma20ma. care must be exercised not to exceed 3.4v on this pin or the pa may be damaged. 4. turn rf ?on.? note that setting lna_bias ?low? enables th e lna bypass switch. therefore, if lna_bias is set ?high? during transmit mode, tx to rx isolation improves. this is an optional setting if additional tx to rx isolation is required for the system. case mode c_tx c_rx c_shared_rx c_bt lna_bias 1 wifi tx high low* x low* low or high** *these controls must be set to a logic low or grounded. do not leave floating. **lna_bias ?high? disables the bypass switch and improves tx-rx isolation. c_shared_rx 8 7 6 5 1 2 3 4 12 11 10 9 13 14 15 16 c_rx c_tx bt lna_bias rx_out tx_in vreg c_bt ant gnd vcc_2 pdetect vcc_b vcc_1 nc
15 of 20 rf5345 ds120215 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . wifi receive mode within the frequency band of operation, 2.4ghz to 2.5ghz, th e rf5345 receive path has a typica l gain of 10.5db and a nf of 2.8db with only 6ma of current. in wifi receive mode, only th e rx branch of the sp3t and the lna are active. see figures 3 and 4 for a simplified test setup and signal fl ow diagram with corresponding control settings. figure 3. wifi receive test setup sig gen dut main supply voltage dual channel spectrum analyzer p-meter p-sensor ant port rx_out port coupler lna_bias v_control p-sensor coupler optional equipment
16 of 20 rf5345 ds120215 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . figure 4. wifi receive control settings and signal flow diagram the supply voltage for the lna (vdd) is provided through the lna_bias (pin 1) which simult aneously turns the lna bypass switch ?off? and sets the device in high gain mode. as in the case of the wifi transmit mode, all unused control lines and rf ports must be properly terminated. therefore, c_tx and c_bt are set ?low? as well as the bt and tx_in rf ports terminated in 50 ? . due to the output impedance mismatch which results when c_shared_rx (pin 16) is off, it is recommended to operate wifi rx mode with pin 16 ?high? and turning the bluetooth radio off (see shared rx mode control settings). wifi bypass mode during bypass mode, the lna_bias (pin 1) is at 0v which enables the bypass switch and sets the device in low gain. due to the additional switches involved in this path, the typical insert ion loss is about 4.5db within the frequency band 2.4ghz to 2.5ghz. see figure 5 below for signal flow and control settings. case mode c_tx c_rx c_shared_rx c_bt lna_bias 1 wifi rx low* high low low* high *these controls must be set to a logic low or grounded. do not leave floating. 8 7 6 5 1 2 3 4 12 11 10 9 13 14 15 16 c_shared_rx c_rx c_tx bt lna_bias rx_out tx_in vreg c_bt ant gnd vcc_2 pdetect vcc_b vcc_1 nc
17 of 20 rf5345 ds120215 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . figure 5. wifi bypass control settings and signal flow diagram to prevent additional losses duri ng bypass mode, ensure that the off branches of the sp3t switch have the controls c_tx and c_bt set ?low? or grounded. for optimum performance, it is also recommended to terminate the rf ports bt and tx_in with 50 ? . bluetooth tx/rx mode for bluetooth transmit and receive operation, the only active component is the sp3t switch. typical insertion loss within the operating frequency is only 1.5db. figure 6 illustrates the signal flow and control settings. case mode c_tx c_rx c_shared_rx c_bt lna_bias 3 wifi bypass low* high low low* low *these controls must be set to a logic low or grounded. do not leave floating. 8 7 6 5 1 2 3 4 12 11 10 9 13 14 15 16 c_shared_rx c_rx c_tx bt lna_bias rx_out tx_in vreg c_bt ant gnd vcc_2 pdetect vcc_b vcc_1 nc
18 of 20 rf5345 ds120215 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . figure 6. bluetooth tx/rx control settings and signal flow diagram as indicated in the table of fig-6, to optimize performance, controls c_tx and c_rx for the off branches of the sp3t should be set ?low? or grounded. likewise, it is recommended to terminate the rx and tx rf ports in 50 ? . shared mode (simultaneous wifi and bt receive operation) the rf5345 receive and bluetooth circuits were specifically desi gned to address issues of simultaneous wifi and bluetooth receive operation. both signals can be received at the same time through the shared mode sw itch (setting pin 16 ?high?). either radio, bt or wifi, can be turned off to receive only one signal at a time. however, the c_shared_rx pin should remain ?high? to maintain good return loss at the port in operation. during shared mode, the active components are the rx branch of the sp3t, the lna, and the shared mode switch. refer to figure 7 below for control settings and signal flow. case mode c_tx c_rx c_shared_rx c_bt lna_bias 4 and 5 bluetooth tx/rx low* low* low high low *these controls must be set to a logic low or grounded. do not leave floating. 8 7 6 5 1 2 3 4 12 11 10 9 13 14 15 16 c_shared_rx c_rx c_tx bt lna_bias rx_out tx_in vreg c_bt ant gnd vcc_2 pdetect vcc_b vcc_1 nc
19 of 20 rf5345 ds120215 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . figure 7. shared mode control settings and signal flow during share mode, the impedance of the port in operation is consistent even if the other radio is turn off. by having one of t he radios off, that port presents a high impedance to the other po rt allowing performance optimization of the port in operation. the simultaneous (at each bt and rx ports) typical gain is 8db with a total current consumption of about 6ma. once again, the supply voltage for the lna (vdd) is provided th rough the lna_bias (pin 1) which simultaneously turns the lna bypass switch ?off? and sets the device in high gain mode. all unused control lines and rf ports must be properly terminated. shared bypassed mode this operating mode is similar to the no rmal shared mode. the main difference is that the lna bypass switch is enabled by applying 0v to the lna_bias pin. see figure 8 below. case mode c_tx c_rx c_shared_rx c_bt lna_bias 6 shared wifi/bt rx low* high high low* high *these controls must be set to a logic low or grounded. do not leave floating. 8 7 6 5 1 2 3 4 12 11 10 9 13 14 15 16 c_shared_rx c_rx c_tx bt lna_bias rx_out tx_in vreg c_bt ant gnd vcc_2 pdetect vcc_b vcc_1 nc
20 of 20 rf5345 ds120215 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . figure 8. shared bypass mode control settings and signal flow pcb layout the integrated harmonic filtering and matching of the rf5345 fa cilitates deployment on the cu stomer?s board by offering 50 ? interface at all rf ports. for best results, the board layout from the evaluation board should be copied as closely as possible in particular the ground configuration underneath the fem and around the rf traces and decoupling capacitors. there is an indi- cator pin labeled p1 id that should be left as a no-connect on the pcb. this pin is directly connected to the ground pad of the ic (refer to the package drawing on page 7). for best performance it is recommended that voltage and rf lines do not cross under this pin. gerber files of rfmd ev aluation board and pcb landing pads recomm endations can be provided upon request. case mode c_tx c_rx c_shared_rx c_bt lna_bias 7shared bypass wifi/bt receive low* high high low* low *these controls must be set to a logic low or grounded. do not leave floating. 8 7 6 5 1 2 3 4 12 11 10 9 13 14 15 16 c_shared_rx c_rx c_tx bt lna_bias rx_out tx_in vreg c_bt ant gnd vcc_2 pdetect vcc_b vcc_1 nc

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