U2763B preliminary information telefunken semiconductors rev. a1, 02-dec-97 1 (9) 900-mhz ism band transmitter description the transmitter ic U2763B is specifically designed for cordless telephone applications in the 900-mhz ism band. the ic is manufactured using temic's advanced uhf process. it consists of a 900-mhz vco and mixer, 0-dbm pa and buffers. the device features 2.9-v operation. in conjunction with temic's receiver ic u2762b and the pll u2781b, a complete ism rf ic kit is available which fits perfectly with amd's phox con- trollers am79c432a and am79c433. electrostatic sensitive device. observe precautions for handling. features 0-dbm pa and rx/tx vco integrated buffer for pll and mixer integrated supply-voltage range 2.7 v to 3.3 v low current consumption, typical 16 ma sso20 package benefits single vco for entire rf part saves cost integrated pa stage with 50- output saves external components and board space integrated mixer to increase duplex spacing block diagram 20 123 4 56 7 8 19 18 17 16 15 14 13 9 10 12 11 pa out out tx ctrl if in vco v cc vco ref vco out if buffer mix 13952 2 vco pa pa v cc paout ref pa in pain ref pa gnd if ref mx v cc mx en mx out mx gnd vco gnd tank tank ref mx pa buffer buffer pll figure 1. block diagram ordering information extended type number package remarks U2763B-afn sso20 tubes, moq 830 pcs U2763B-afgg3 sso20 taped and reeled, moq 4000 pcs
U2763B telefunken semiconductors rev. a1, 02-dec-97 preliminary information 2 (9) functional description vco symmetrical cross-coupled pair type vco with external tank circuit. it can be used with lc or /4 resonator circuit. pa the pa is designed to drive a 50- load with 0 dbm (1 mw, compliant with fcc rules) and can be connected directly to the tx/rx switch. pa buffer the pa buffer decouples the vco from the pa to reduce vco pulling when the pa is turned on and off. pll buffer the pll buffer is a dedicated output to drive a pll circuit. divide-by-2 stage + mixer the duplex frequency offset can be increased by shifting the rx lo frequency via the pll xtal frequency and op- tionally by half of the xtal frequency. these functions are activated by mx ctrl (pin 13). pin description 1 2 3 4 5 6 7 8 10 9 19 18 17 16 14 15 13 12 11 20 mx gnd vco gnd 13961 vco v cc vco ref mx v cc mx out pa in pain ref pa gnd out tx mx ctrl ifin pa out paout ref if ref mx en pa v cc tank tank ref vco out figure 2. pinning pin symbol function 1 mx en mixer enable 2 mx v cc power supply mixer 3 mx out mixer output 4 mx gnd mixer ground 5 vco gnd vco ground 6 tank resonator 7 tank ref resonator reference 8 vco v cc power supply vco 9 vco ref vco output reference 10 vco out vco output 11 if ref if input reference 12 if in if input 13 mx ctrl control pin for mixer modi 14 out tx transmit signal output 15 pa gnd power-amplifier ground 16 pain ref power-amplifier input reference 17 pa in power-amplifier input 18 paout ref power-amplifier output reference 19 pa out power-amplifier output 20 pa v cc power supply for power amplifier absolute maximum ratings parameters symbol value unit supply voltage v cc 0 to +3.5 v input voltages pins 1 and 13 v in 0 to v cc v input voltages pins 3, 6, 7, 9, 10, 11, 12, 14, 16, 17, 18 and 19 v in 0.5 to v cc 1 v v junction temperature t j 125 c storage temperature range t stg 40 to +125 c
U2763B preliminary information telefunken semiconductors rev. a1, 02-dec-97 3 (9) thermal resistance parameters symbol value unit junction ambient sso20 r thja 140 k/w operating range parameters symbol value unit supply voltage v cc 2.7 to 3.3 v ambient temperature t amb 0 to +70 c electrical characteristics vco v cc = 2.9 v at pin 8 parameters test conditions / pins symbol min. typ. max. unit supply-voltage range pin 8 v cc 2.7 2.9 3.3 v supply current pin 8 i cc 6 ma frequency bandwidth f bw 1200 mhz sensitivity externally defined f s 7 mhz/v phase noise 100 khz p n 86 dbc/hz output impedance tx port pin 14 50 output impedance pll port pin 10 50 output power tx 50- termination single ended pin 14 p txout 15 dbm output power vco 50- termination single ended pin 10 p vcoout 10 dbm electrical characteristics pa v cc = 2.8 v at pin 20 parameters test conditions / pins symbol min. typ. max. unit supply-voltage range pin 20 v cc 2.7 2.8 3.3 v supply current pin 20 i cc 11.5 ma pa input impedance pin 17 z pain 50 pa output impedance pin 19 z paout 50 operation frequency f pa 1200 mhz input power pin 17 pa in 16 dbm output power 50- termination single ended pin 19 pa out 2 0.5 2 dbm output 1db compression p 1db 1 0 dbm
U2763B telefunken semiconductors rev. a1, 02-dec-97 preliminary information 4 (9) electrical characteristics divide-by-2 stage + mixer v cc = 2.9 v at pin 2 parameters test conditions / pins symbol min. typ. max. unit supply-voltage range pin 2 v cc 2.7 2.9 3.3 v supply current 1) mx en < 0.3 v pin 2 i smxon 9 ma supply current mx en v cc 0.3 v pin 2 i smxoff 500 a mx turn-on time t mxon 2.5 s mx output impedance @ 900 mhz pin 3 z mxout 50 mx if input frequency f mxifin 22 mhz output frequency pin 3 f mxout 800 950 1200 mhz output power 2) if buffer linear, mixer active 50- termination single ended v ifin = 50 mv rms mx en < 0.3 v mx ctrl = v cc pin 3 p mxout 15 dbm output power 2) 2 active, mixer active 50- termination single ended v ifin = 50 mv rms mx en < 0.3 v v ctrl = v cc mx ctrl = 0 v pin 3 p mxout 15 dbm output power mixer = buffer stage 50- termination single ended mx en < 0.3 v mx ctrl = open pin 3 p mxout 10 dbm noise figure ssb n f 18 db lo leakage 3) mx out -port, v ifin = 50 mv rms pin 3 lk lo 25 dbm if leakage mx out -port, v ifin = 50 mv rms pin 3 lk if 45 dbm (2 if) leakage mx out -port, v ifin = 50 mv rms pin 3 lk 2if 35 dbm (3 if) leakage mx out -port, v ifin = 50 mv rms pin 3 lk 3if 55 dbm if input frequency f ifin 10 12.8 22 mhz if input voltage level v ifin 40 50 125 mv if input impedance base input mx en v cc 0.3 v mx en 0.3 v pin 12 z ifin 1 1 k k comment: the if signal is limited when divided by two. note: 1) including if buffer 2) each sideband 3) in mixing mode
U2763B preliminary information telefunken semiconductors rev. a1, 02-dec-97 5 (9) internal pin configuration v cc 13977 10 k w 15 k w 2 1 figure 3. pin 1: mixer enable 13978 v cc 20 w 1.1 v 3 2 figure 4. pin 3: mixer output 13975 6 7 8 v cc 10 k w 10 k w 1.5 v 1.5 v figure 5. pins 6/7: vco v cc 10 9 8 13976 1.9 v 0.7 v figure 6. pins 9/11: pll buffer v cc 2 k w 13979 2 k w 12 11 2 2.1 v 2.1 v figure 7. pins 11/12: if input 13974 100 k w v cc 100 k w 1.5 v 13 2 figure 8. pin 13: control pin for mixer modi
U2763B telefunken semiconductors rev. a1, 02-dec-97 preliminary information 6 (9) internal pin configuration 8 v cc 13982 14 2.0 v figure 9. pin 14: transmit signal output 75 w 13980 1 k w 16 17 1 k w 20 v cc 1.6 v 1.6 v figure 10. pins 16/17: power amplifier input v cc 13981 18 19 20 2.0 v 0.8 v figure 11. pins 18/19: power amplifier output
U2763B preliminary information telefunken semiconductors rev. a1, 02-dec-97 7 (9) application circuit 20 19 18 17 16 12345 15 14 13 12 6789 11 10 47 w r 58 0.01 m f 100pf c 13 c 17 100pf c 22 100pf c 23 0.01 m f c 25 100pf 10 w r 62 10 w r 64 47 w r 65 c 29 100pf d 1 bb811 10k w r 70 c 6 3pf c 7 3pf l 2 c 30 100pf c 68 100pf c 18 100pf U2763B c 14 c 24 100pf 100pf c 15 6.8nh printed 2.7 nh 6.8pf 6.8pf l 9 c 38 c 39 r 72 22k w pa_out pa_v cc mx_en mx_out mx_ctrl vco_out v cc vtune 13973 100pf figure 12. application circuit
U2763B telefunken semiconductors rev. a1, 02-dec-97 preliminary information 8 (9) package information 13007 technical drawings according to din specifications package sso20 dimensions in mm 6.75 6.50 0.25 0.65 5.85 1.30 0.15 0.05 5.7 5.3 4.5 4.3 6.6 6.3 0.15 20 11 110
U2763B preliminary information telefunken semiconductors rev. a1, 02-dec-97 9 (9) ozone depleting substances policy statement it is the policy of temic telefunken microelectronic gmbh to 1. meet all present and future national and international statutory requirements. 2. regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment. it is particular concern to control or eliminate releases of those substances into the atmosphere which are known as ozone depleting substances ( odss). the montreal protocol ( 1987) and its london amendments ( 1990) intend to severely restrict the use of odss and forbid their use within the next ten years. various national and international initiatives are pressing for an earlier ban on these substances. temic telefunken microelectronic gmbh semiconductor division has been able to use its policy of continuous improvements to eliminate the use of odss listed in the following documents. 1. annex a, b and list of transitional substances of the montreal protocol and the london amendments respectively 2 . class i and ii ozone depleting substances in the clean air act amendments of 1990 by the environmental protection agency ( epa ) in the usa 3. council decision 88/540/eec and 91/690/eec annex a, b and c ( transitional substances ) respectively. temic can certify that our semiconductors are not manufactured with ozone depleting substances and do not contain such substances. we reserve the right to make changes to improve technical design and may do so without further notice . parameters can vary in different applications. all operating parameters must be validated for each customer application by the customer. should the buyer use temic products for any unintended or unauthorized application, the buyer shall indemnify temic against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use. temic telefunken microelectronic gmbh, p.o.b. 3535, d-74025 heilbronn, germany telephone: 49 ( 0 ) 7131 67 2831, fax number: 49 ( 0 ) 7131 67 2423
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