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skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201112c ? skyworks proprietary information ? products and pr oduct information are subject to change without notice ? feb ruary 24, 2010 1 data sheet SKY73126-31: 161.92 mhz high performance vco/synthesizer applications ? 3gpp long-term evolution systems ? general purpose rf systems features ? fixed 161.92 mhz operation frequency ? integer n synthesizer ? reference frequency selection: 10 mhz or 32 mhz ? integrated voltage regulator, 3.3 v ? typical +10 dbm output power ? three-wire serial interface ? integrated harmonic filter ? integrated metal shield provides high emi protection ? mcm (16-pin, 11.4 x 15 mm) package (msl3, 260 ? c per jedec j-std-020) description skyworks SKY73126-31 voltage-controlled oscillator (vco)/synthesizer is a fully integrated, high performance signal source for base station transceivers. the device provides low phase-noise performance for 3g base station transceivers and general rf system applications. the SKY73126-31 vco/synthesizer is a key building block for high performance radio system designs that require low power and low phase noise. the device provides a fixed 161.92 mhz frequency source output. a 10 mhz or 32 mhz reference clock frequency could be used for this device. the integer-n phase locked loop (pll), loop filter, vco, varactor, frequency divider and output buffer are integrated inside the device. an integrated 3.3 v voltage regulator provides superior phase-noise performance. the SKY73126-31 is programmed through a three-wire serial peripheral interface (spi). the SKY73126-31 vco/synthesizer is provided in a compact, 16-pin multi-chip module (mcm). the device package and pinout are shown in figure 1. a functional block diagram is shown in figure 2. signal pin assignments and functional pin descriptions are provided in table 1. s1314 1 2 3 4 5 6 13 12 11 10 9 7 14 15 v cc g nd rf_out g nd n/ c g nd n/ c t c xo_in g nd ld le data g nd c lk g nd g nd 1 6 8 figure 1. SKY73126-31 pinoutC 17-pin mcm package (top view)
data sheet ? SKY73126-31 vco/synthesizer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 2 february 24, 2010 ? skyworks proprietary information ? products a nd product information are subj ect to change without noti ce ? 201112c vtune r1 sp1 sc1 n ps cpo rf r1 divider rf pfd mux (ld/test) rf charge pump n divider varactor vco s1315 p/p+1 prescaler /4 divider rf_ou t pll loop filter 3-wire serial interface tcxo_in (10 or 32 mhz) rf in clk le 3.3 v voltage regulator vcc (5 v) data rf inb ld figure 2. SKY73126-31 functional block diagram table 1. SKY73126-31 signal descriptions pin # name description pin # name description 1 vcc +5 v dc power supply 9 gnd ground 2 gnd ground 10 data serial port spi data input (master out slave in) 3 rf_out rf output 11 le serial port latch enable 4 gnd ground 12 ld lock detect output 5 n/c no connection 13 gnd ground 6 gnd ground 14 tcxo_in frequency reference input 7 n/c no connection 15 gnd ground 8 clk serial port clock 16 gnd ground technical description the SKY73126-31 is a bicmos integer-n synthesizer that offers high performance, low cost, and low power consumption. the device also provides programmable charge pump gain. serial i/o control interface the SKY73126-31 is programmed through a three-wire serial bus control interface. the three-wire interface consists of three signals: clk (pin 8), le (pin 11), and the bit serial data line data (pin 10). a serial data input timing diagram is shown in figure 3. timing parameter values are provided in table 2. figure 4 depicts the serial bus, which consists of one 32-bit load register and four separate 28-bit hold registers. data is initially clocked into the load register starting with the most significant bit (msb) and ending with the least significant bit (lsb). the le signal is used to gate the clock to the load register, requiring the le signal to be brought low before the data load. data is shifted on the rising edge of clk. the falling edge of le latches the data into the appropriate hold register from the load register. this programming sequence must be repeated to fill all four hold registers. the specific hold register addresses are determined by the wd_0, wd_1, wd_2, and wd_3 parameters in the load register. these are the four lsbs (bits [3:0]) as shown in figure 4. table 3 lists the four hold registers and their respective addresses as determined in the load register.
data sheet ? SKY73126-31 vco/synthesizer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201112c ? skyworks proprietary information ? products and pr oduct information are subject to change without notice ? feb ruary 24, 2010 3 the contents of each word in the load register are used to program the four hold registers described in tables 4 through 7. loading new data into a hold register not associated with the synthesizer frequency programming does not reset or change the synthesizer. the synthesizer should not lose lock before, during, or after a new serial word load that does not change the programmed frequency. vendor id read-back the SKY73126-31 includes a read-back function that provides the vendor id. this information is stored in register word 0 and is provided by the lock detect output signal (ld, pin 12). vendor id read-back is initiated by setting the msb of a 32-bit data word and writing the word to device word address 0 (all other bits of the data word are dont care). after the le signal transitions from low to high, the rising edge of clk gates the word 0 register data (vendor id) to the lock detect pin, msb first. the vendor id for the SKY73126-31 is 0x100 (equal to 100000000b or 256 decimal). figure 5 shows the serial peripheral interface (spi) timing diagram for vendor id read-back. figure 6 defines the word used to initiate the vendor id read-back function. t 3 t 1 t 2 t 6 t 4 t 5 s1192 d31 d30 d4 d3 d2 d1 d0 clk data le figure 3. SKY73126-31 serial data input timing diagram (msb first) table 2. clk, data, le timing parameters parameter value data to clk setup time (t 1 ) >10 ns data to clk hold time (t 2 ) >10 ns clk high duration (t 3 ) >25 ns clk low duration (t 4 ) >25 ns clk to le hold time (t 5 ) >10 ns le to clk setup time (t 6 ) >10 ns read-back clock to output time (td out ) <25 ns
data sheet ? SKY73126-31 vco/synthesizer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 4 february 24, 2010 ? skyworks proprietary information ? products a nd product information are subj ect to change without noti ce ? 201112c bits [31:4] s1191 power-on reset clk data (words 0-3, bits [31:0]) le word 0 bits [31:4] words 0-3 bits [3:0] word 1 bits [31:4] word 2 bits [31:4] word 3 bits [31:4] load register vendor id register operation mode register 4 lsb decode (register address, bits [3:0]) latch latch dpll control register latch frequency control register latch figure 4. serial bus block diagram table 3. SKY73126-31 hold registers and addresses hold register address (binar y) in load register words hold register name bit [3] bit [2] bit [1] bit [0] vendor id 0 0 0 0 operation mode 0 0 0 1 dpll control 0 0 1 0 frequency control 0 0 1 1 table 4. word 0: vendor id hold register parameter function state description recommended operational value (binary) default value (binary) wd_3, wd_2, wd_1, wd_0 address bits [3:0]. must be set to 0000b (see table 3). 0000 0000 vendor id vendor id read-back [31:4] bits [31:4]: bit [31] bits [30:4] 0 x = vendor id 1 x = vendor id initial read-back application dependent 10000 table 5. word 1: operation mode hold register (1 of 2) parameter function state description recommended operational value (binary) default value (binary) wd_3, wd_2, wd_1, wd_0 address bits [3:0]. must be set to 0001b (see table 3). 0001 0001 cp_output charge pump setting [6:4] bits [6:4]: 0 0 0 = 800 a 0 0 1 = 1600 a 0 1 0 = 2400 a 0 1 1 = 3200 a 1 0 0 = 4000 a 1 0 1 = 4800 a 1 1 0 = 5600 a 1 1 1 = 6400 a application dependent 000 rsvd reserved [8:7] reserved 00 00
data sheet ? SKY73126-31 vco/synthesizer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201112c ? skyworks proprietary information ? products and pr oduct information are subject to change without notice ? feb ruary 24, 2010 5 table 5. word 1: operation mode hold register (2 of 2) parameter function state description recommended operational value (binary) default value (binary) pd_polar polarity of the phase detector [9] bit [9]: 0 = negative 1 = positive 0 0 cp_tristate tri-states th e transmit pll charge pump [10] bit [10]: 0 = charge pump functional 1 = charge pump disabled/tri-stated 0 0 nr_sel internal operating voltage control bit for the n-counter and r-divider [11] note: this bit needs to be programmed together with word 1, bit [12], and word 2, bit [25]. word 1 word 1 word 2 bit [12] bit [11] bit [25]: n-cntr/r-divider mod dig voltage voltage 0 x x = 0 v 0 v 1 0 0 = 1.8 v 1.8 v 1 0 1 = 1.8 v 2.4 v 1 1 0 = 2.4 v 1.8 v 1 1 1 = 2.4 v 2.4 v 0 0 pll_en internal operat ing voltage control bit for the pll [12] note: this bit needs to be programmed together with word 1, bit [11], and word 2, bit [25]. see nr_sel parameter (bit [11]) 1 0 ref_bw_sel reference buffer bandwidth [14:13] bits [14:13]: 0 0 = 20 mhz 0 1 = 30 mhz 1 0 = 40 mhz 1 1 = 50 mhz application dependent 00 pre_curr_sel prescaler current bias [16:15] bits [16:15]: 0 0 = 20 ? a 0 1 = 22 ? a 1 0 = 24 ? a 1 1 = 26 ? a 00 00 prescale_sel prescaler mode select [17] bit [17]: 0 = prescaler in 8/9 divide mode 1 = prescaler in 16/17 divide mode application dependent 0 rdiv reference divider ratio [27:18] bits [27:18]: represents the 10-bit reference divider, r1 [9:0]. refer to the synthesizer programming section of this data sheet for information. application dependent 0000000000 rsvd reserved [31:28] reserved 0000 0000
data sheet ? SKY73126-31 vco/synthesizer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 6 february 24, 2010 ? skyworks proprietary information ? products a nd product information are subj ect to change without noti ce ? 201112c table 6. word 2: dpll control hold register parameter function state description recommended operational value (binary) default value (binary) wd_3, wd_2, wd_1, wd_0 address bits [3:0]. must be set to 0010b (see table 3). 0010 0010 dpll_ctrl dpll control [21:4] reserved C 00000000000 0000000 test_mux lock detect and diagnostic output select [24:22] note: logic output is via ld signal (pin 12) bits [24:22]: 0 0 0 = lock detect output or vendor id read-back 0 0 1 = r-divider output 0 1 0 = n-divider output 0 1 1 = capacitor overflow 1 0 0 = capacitor underflow 1 0 1 = vco high comparator 1 1 0 = vco low comparator 1 1 1 = dpll test note: when test_mux = 000, the vendor id is output to pin 12 if vendor id read-b ack has been initialized. otherwise, when test_mux = 000, pin 12 outputs the lock detect signal. 000 000 sd_sel internal operating voltage control bit for the synthesizer [25] note: this bit needs to be programmed together with word 1, bit [11], and word 1, bit [12]. see nr_sel parameter (word 1, bit [11]) 0 0 rsvd reserved [31:26] reserved 000000 000000 table 7. word 3: frequency control hold register (1 of 2) parameter function state description recommended operational value (binary) default value (binary) wd_3, wd_2, wd_1, wd_0 address bits [3:0]. must be set to 0011b (see table 3). 0011 0011 dpll_en vco auto tuning enable flag [4] bit [4]: 0 = disable vco auto tuning 1 = enable vco auto tuning refer to figure 7 0 ndiv n-divider/prescaler mode for control of m and a counters [20:5] bits [20:5]: for 8/9 prescaler mode: bits [7:5] = a-counter bits [2:0] (bit [3] = 0) bits [19:8] = m-co unter bits [11:0] bit [20] = 0 for 16/17 prescaler mode: bits [8:5] = a-counter bits [3:0] bits [20:9] = m-co unter bits [11:0] application dependent 00000000000 00000
data sheet ? SKY73126-31 vco/synthesizer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201112c ? skyworks proprietary information ? products and pr oduct information are subject to change without notice ? feb ruary 24, 2010 7 table 7. word 3: frequency control hold register (2 of 2) parameter function state description recommended operational value (binary) default value (binary) cp_delay charge pump dela y [23:21] bits [23:21]: 0 0 0 = 0.5 ns 0 0 1 = 0.7 ns 0 1 0 = 0.9 ns 0 1 1 = 1.2 ns 1 0 0 = 1.4 ns 1 0 1 = 1.7 ns 1 1 0 = 2.0 ns 1 1 1 = 3.0 ns 000 000 rsvd reserved [31:24] reserved 00000000 00000000 t 3 t 1 t 6 t 2 t 4 t 5 t 6 td out s1193 d31=1 d30=x d4=x d3=0 d2=0 d1=0 d0=0 id31 id30 id1 id0 default default clk data le ld figure 5. vendor id read-back timing diagram d31 d30 d29 d28 d27 d26 d25 d24 d23 d22 d21 d20 d19 d18 d17 d16 d15 d14 d13 d12 d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 1 x x x x x x x x x x x x x x x x x x x x x x x x x x x 0 0 0 0 figure 6. vendor id read-back initialization word vco prescalers the vco prescalers divide the vco output signal by either 16/17 or 8/9. the modulus control signal from the n-counter determines whether to divide by 16 or 17 in 16/17 mode, or whether to divide by 8 or 9 in 8/9 mode. the prescaler mode is determined by bit [17] of word 1 (operation mode register). the maximum prescaler input frequency is 2000 mhz for 8/9 mode, and 3100 mhz for 16/17 mode. n-counter the n-counter consists of two asynchronous ripple counters, a 12-bit m-counter and a 4-bit a-counter. the m-counter determines the counts using the lower division ratio in the prescaler (8 or 16); the a-counter determines the counts using the upper division ratio (9 or 17). the value of the n-counter is determined by the equation: (m p) + a where m and a are the values of the m-counter and a-counter, and p = 8 for 8/9 mode or 16 for 16/17 mode. in 16/17 mode, the m-counter (bits [11:0]) value is determined by the 12 highest order bits of the n-counter (bits [15:4]). the a- counter value (bits [3:0]) is determined by the 4 lowest order bits of the n-counter (bits [3:0]). in 8/9 mode, the m-counter value is determined by bits [14:3] of the n-counter and the a-counter value is determined by the three lowest order bits of the n-counter (bits [2:0]). in this case, bit [15] of the n-counter is always cleared.
data sheet ? SKY73126-31 vco/synthesizer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 8 february 24, 2010 ? skyworks proprietary information ? products a nd product information are subj ect to change without noti ce ? 201112c phase detector and charge pump the phase detector and charge pump detect and integrate the phase and frequency errors of the divided-down vco output versus the reference clock. this results in a feedback adjustment of the control voltage for the vco. lock detect lock detection circuitry provides a cmos logic level indication when the pll is frequency locked (high when locked). reference input divider the r-counter (reference input clock divider) consists of 10-bit dividers controlled by the rdiv parameter in word 1 (operation mode register, bits [27:18]). the r-counter divides the clock signal from the reference input buffer by 1, 2, 4, or 1023 (approx.) and sends the rdiv output to the phase frequency detector (pfd). synthesizer programming the SKY73126-31 has selectable vco prescalers to divide the vco output signal by either 16/17 or 8/9. the prescaler mode is determined by the prescale_sel parameter (word 1, bit [17], of the operation mode register). to program the synthesizer to the correct frequency, the n-divider and r-divider ratios need to be determined. the n-divider ratio is the result of dividing the vco output frequency by the phase comparison frequency: pfd vco f f ndiv ? the vco output frequency is four times greater than the synthesizer rf output frequency. the value of ndiv is rounded to the nearest integer and then converted into a binary number which is written to the serial bus. the maximum ndiv for the 8/9 prescaler mode is 2 15 or 32768. for the 16/17 prescaler mode, the maximum ndiv is 2 16 or 65536. the r-divider ratio is the result of dividing the reference input frequency by the phase comparison frequency: pfd ref f f rdiv ? example : a synthesizer frequency of 161.92 mhz is required using a crystal frequency of 10 mhz. the minimum frequency step is 80 khz. determine the r-divider ratio: rdiv[9:0] = 10 mhz/80 khz = 125 = 1111101b divide the vco output frequency, which is four times the rf output frequency, by the phase comparison frequency (minimum frequency step in this example) to obtain the n-divider ratio: ndiv[15:0] = (161.92 mhz 4)/80 khz = 8096 round the value of ndiv to the nearest integer and then convert to binary: ndiv[15:0] = 19384 = 0001111110100000b since the vco output frequency ( f vco ) is lower than 2000 mhz and ndiv is less than 2 15 , the 8/9 prescaler mode could be used. package and handling information since the device package is sensitive to moisture absorption, it is baked and vacuum packed before shipping. instructions on the shipping container label regarding exposure to moisture after the container seal is broken must be followed. otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. the SKY73126-31 is rated to moisture sensitivity level 3 (msl3) at 260 ? c. it can be used for lead or lead-free soldering. for additional information, refer to skyworks application note, pcb design and smt assembly/rework guidelines for mcm-l packages , document number 101752. care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. production quantities of this product are shipped in a standard tape and reel format. for packaging details, refer to the skyworks application note, tape and reel , document number 101568. circuit design considerations the following design considerations are general in nature and must be followed regardless of final use or configuration 1. paths to ground should be made as short and as low impedance as possible. 2. the ground pad of the SKY73126-31 provides critical electrical grounding requirements. design the connection to the ground pad to provide the best electrical connection to the circuit board. multiple vias to the grounding layer are recommended to connect the top layer ground area to the main ground layer. 3. skyworks recommends including external bypass capacitors on the vcc voltage input (pin 1) of the device. these capacitors should be placed as close as possible to the vcc input pin. 4. a 50 ? impedance trace is needed for the rf_out (pin 3) line.
data sheet ? SKY73126-31 vco/synthesizer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201112c ? skyworks proprietary information ? products and pr oduct information are subject to change without notice ? feb ruary 24, 2010 9 electrical and mechanical specifications the absolute maximum ratings of the SKY73126-31 are provided in table 8. the recommended operating conditions are specified in table 9 and electrical specifications are provided in table 10. measurement plots for single sideband phase noise and frequency settling time are shown in figures 7 and 8, respectively. a typical application schematic for the SKY73126-31 is provided in figure 9. figure 10 shows the package dimensions for the 16- pin mcm and figure 11 provides the tape and reel dimensions. table 8. SKY73126-31 absolute maximum ratings (note 1) parameter symbol min typical max units supply voltage vcc 0 5.5 v operating temperature, full performance t op C40 +85 c storage temperature t st C40 +150 c note 1 : exposure to maximum rating conditions for extended periods may reduce device reliability. there is no damage to device with o nly one parameter set at the limit and all other parameters set at or below their nominal values. exceeding any of the limits listed here may result in permanent damage to the device. caution : although this device is designed to be as robust as possible, electrostatic discharge (esd) can damage this device. this devi ce must be protected at all times from esd. static charges may eas ily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. industry-standard esd precautions should be used at all times. the SKY73126-31 esd threshold level is 2500 vdc using human body model (hbm) testing. this level applies to rf signal lines >100 mhz, analog and rf lines <100 mhz, digital lines, power supply lines, and ground pins. table 9. SKY73126-31 recommended operating conditions parameter symbol min typical max units supply voltage vcc 4.75 5.00 5.25 v input voltage (clk, data, le): low level high level 1.4 0.6 v v output voltage (ld) with 18 k ? load from vcc pll: low level, unlocked high level, unlocked 2.4 0.4 v v load connected to rf output 50 ? , maximum vswr (load input) 2.0:1, all phases
data sheet ? SKY73126-31 vco/synthesizer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 10 february 24, 2010 ? skyworks proprietary information ? products a nd product information are subj ect to change without noti ce ? 201112c table 10. SKY73126-31 electrical characteristics (note 1) (note 2) (vcc = 5 v, t c = 25 c, cp_output = 3200 ? a, tcxo_in = 10 mhz, f = 161.92 mhz, f pfd = 80 khz, unless otherwise noted) parameter symbol test condi tions min typical max units oscillation frequency f osc 161.92 mhz oscillation frequency range pll must be programmed for desired frequency (note 3) 160 165 mhz reference frequency f ref 10 or 32 mhz reference input voltage (note 4) 2.0 2.5 2.7 vpp output level 10 dbm output impedance 50 ? output vswr 2.0:1 C reference frequency (f ref ) input impedance (note 4) 5 k ? harmonic suppression h2, h3 C40.9 dbc pll reference spurious suppression around f osc : @ 80 khz @ 160 khz sum @ 240 khz to 1 mhz sum @ 1 mhz to 2.4 mhz sum >2.4 mhz f ref = 10 mhz C97 C103 C96 C100 C100 C80 C85 C85 C85 C90 dbc dbc dbc dbc dbc reference spurious suppression around f osc f ref = 10 mhz f ref = 32 mhz C110 C98 C85 C85 dbc dbc other spurious suppressio n (not multiple of pll reference) around f osc : sum @ 0.5 khz to 50 khz sum @ 50 khz to 100 khz sum @ 100 khz to 10 mhz f ref = 10 mhz C100.0 C100.0 C91.0 C50.0 C64.0 C90.0 dbc dbc dbc single sideband phase noise offset: @ 1 khz @ 5 khz @ 10 khz @ 100 khz @ 500 khz @ 1 mhz @>2.7 mhz C87.7 C99.3 C109.2 C141.9 C151.6 C153.1 C153.8 C80.0 C90.0 C100.0 C120.0 C132.0 C151.0 C152.0 dbc/hz dbc/hz dbc/hz dbc/hz dbc/hz dbc/hz dbc/hz settling time (note 4) 5 ms pulling (note 4) 2.0:1 vswr < ? 100 khz pushing (note 4): 200 hz to 1 mhz 1 mhz to 460 mhz C40 C90 dbc dbc current consumption 72 119 ma note 1: performance is guaranteed only under the conditions listed in this table. note 2 : characterized performance may change if the SKY73126-31 is configured differently th an the test conditions specified here. note 3 : frequency range not tested in production. note 4 : guaranteed by design based on lab data. no production test.
data sheet ? SKY73126-31 vco/synthesizer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201112c ? skyworks proprietary information ? products and pr oduct information are subject to change without notice ? feb ruary 24, 2010 11 C180 C170 C160 C150 C140 C130 C120 C110 C100 C90 C80 C70 C60 0.1 1 10 100 1000 10000 offset frequency (khz) phase noise (dbc/hz) s1316 figure 7. SKY73126-31 single sideband phase noise measurements @ 161.92 mhz C500 C400 C300 C200 C100 0 100 200 300 400 500 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 time (ms) frequency offset (khz) s1317 figure 8. SKY73126-31 frequency settling time @ 161.92 mhz
data sheet ? SKY73126-31 vco/synthesizer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 12 february 24, 2010 ? skyworks proprietary information ? products a nd product information are subj ect to change without noti ce ? 201112c v cc frequency reference +5 v rf output (50 c ontrolled impedance line) g nd rf_out g nd n/ c g nd n/ c g nd g nd g nd t c xo_in ld le data g nd c lk 1 2 3 4 5 6 7 14 15 1 6 13 12 11 10 9 8 c 1 10 pf c 2 10 f lock detect (read back) latch enable data c lock s1345 figure 9. SKY73126-31 typical application schematic pin 1 indicator 11.4 15 (10.3) (2.35) ( 6 .7) (2.35) 0 0 b c a top view 0.15 a b c 2 a b c s ide view bottom view 1. 9 0.1 top 2.7 0.2 0.1 4x 1.8 4x 3. 6 4x 5.4 2x 7.4 15x 5.55 (7) (5.2) s ee detail b pin 15 pin 1 ( 0.4) s olderma s k opening pin 1 indicator pin 1 6 pin 14 a 1 6 x s mt pad 0.1 a b c m all measurements are in millimeters dimensioning and tolerancing according to asme y14.5m-1994 s older ma s k edge s metal pad edge (0.1) (0.05) (0.05) 1.1 0.05 0. 9 0.1 6 .2 0.05 6 .3 0.05 1 0.05 1 0.1 0. 6 0.1 1.15 0.05 1 0.05 s older ma s k edge s metal pad edge detail a pad s cale: 2x 7x thi s rotation 7x rotated 180 o detail b pad s cale: 2x 1x thi s rotation 1x rotated 180 o s131 9 (0.1) figure 10. SKY73126-31 16-pin mcm package dimensions
data sheet ? SKY73126-31 vco/synthesizer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 201112c ? skyworks proprietary information ? products and pr oduct information are subject to change without notice ? feb ruary 24, 2010 13 s1318 2.90 0.10 15.30 5 o max 11.70 16.00 4.00 2.00 0.05 1.75 0.10 11.50 0.05 24.00 0.30 ? 1.50 min. ? 1.55 + 0.10/C0 0.30 0.05 notes: 1. carrier tape material: black conductive polystyrene 2. cover tape material: transparent conductive psa 3. cover tape size: 21.3 mm width 4. all measurements are in millimeters pin #1 indicator b a a b b a 5 o max figure 11. SKY73126-31 tape and reel dimensions
data sheet ? SKY73126-31 vco/synthesizer skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@ skyworksinc.com ? www.skyworksinc.com 14 february 24, 2010 ? skyworks proprietary information ? products a nd product information are subj ect to change without noti ce ? 201112c ordering information model name manufacturing part numb er evaluation kit part number SKY73126-31 161.92 mhz vco/synthesizer SKY73126-31 tw17-d730 copyright ? 2009, 2010 skyworks solutions, inc. all rights reserved. information in this document is provided in connection with skyw orks solutions, inc. (skyworks) products or services. these m aterials, including the information co ntained herein, are provided by skyworks as a service to its customers and may be used for info rmational purposes only by the cu stomer. skyworks assumes no res ponsibility for errors or omissions in these materials or the information contained herein. skyworks may change its documentat ion, products, services, specific ations or product descriptions at any time, without notice. skyworks makes no commitment to update the materials or information and shall have no responsi bility whatsoever for conflicts, incompatibilities, or other diff iculties arising from any future changes. no license, whether express, implied, by es toppel or otherwise, is granted to any in tellectual property rights by this document . skyworks assumes no liability for any materials, products or information provided hereunder, including the sale, distribution, re production or use of skyworks products, information or mate rials, except as may be provided in skyworks terms and conditions of sale. the materials, products and information are pr ovided as is without warranty of any ki nd, whether express, implied, statutory, or otherwise, including fitness for a particular purpose or use, merchantability, performance, qualit y or non-infringement of any intellectual property right; all su ch warranties are hereby expressly disclaimed. skyworks does not warrant the accura cy or completeness of the information, text, graphics or other items contained within these ma terials. skyworks shall not be liable for any damages, including but not limited to any special, indirect, incidental, statutory, or consequentia l damages, including without limitation, lost revenues or lost profits that may result from the use of the materials or information, wheth er or not the recipient of mat erials has been advised of the possibility of such damage. skyworks products are no t intended for use in medical, lifesaving or life-su staining applications, or other equipment in which the failure of the skyworks products could lead to personal injury, death, physical or environmental damage. skyw orks customers using or selli ng skyworks products for use in such applications do so at their own risk and agree to fully indemnify skyworks for any damages resulting from such improper use or sale. customers are responsible for their products and applications us ing skyworks products , which may deviate from published specifi cations as a result of design de fects, errors, or operation of products outside of published pa rameters or design specifications. customers sh ould include design and operating safeguards to minimize these and other risks. skyworks assumes no liability for applications assistance, customer product de sign, or damage to any equipment resulting from the use of skyw orks products outsid e of stated published specifications or parameters. skyworks, the skyworks symbol, and breakthrough simplicity are tr ademarks or registered trademar ks of skyworks solutions, in c., in the united states and ot her countries. third-party brands and names are for identification purposes only, and are the proper ty of their respective owners. additional information, includ ing relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference.

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