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  U832BS / u834bs telefunken semiconductors rev. a2, 27-jan-97 1 (6) 3-ghz frequency divider description U832BS and u834bs use temic's advanced bipolar process. rf input can be driven differential as well as single ended. low current consumption makes the device suitable for mobile application.  U832BS divides by 2  u834bs divides by 4  very low current consumption (typically 12 ma)  3-ghz maximum operating frequency  supply voltage, typically 5 v  esd protection in accordance with mil-std. 883 method 3015 class 2 benefits  extended operation time due to very low current consumption  only three external components  low rf input level reduces radiation problems block diagram 2.3 k 2.3 k (only u834bs) 2 2 v s 2 3 rf 4 gnd 7 n.c 8 6 1,5 93 7783 e   i rf o figure 1. block diagram ordering information extended type number package remarks U832BS-fp so8 u834bs-fp so8 www.datasheet.co.kr datasheet pdf - http://www..net/
U832BS / u834bs telefunken semiconductors rev. a2, 27-jan-97 2 (6) pin description pin symbol function 1 nc not connected 2 rf i rf input 3 rf i rf input with internal decoupling capacitor 4 gnd ground 5 nc not connected 6 rf o output 7 rf o output 8 v s supply voltage 1 2 8 3 4 7 5 6 94 7836 e nc gnd nc v s rf i rf o rf i rf o absolute maximum ratings parameters symbol value unit supply voltage pin 8 v s 6 v input voltage range pins 2 and 3 v i 0 to v s v junction temperature t j 125 c storage temperature range t stg 40 to + 125 c operating range parameters symbol value unit supply voltage range v s 4.5 to 5.5 v ambient temperature range t amb 25 to + 85 c thermal resistance parameters symbol value unit junction ambient so8 r thja 175 k/w www.datasheet.co.kr datasheet pdf - http://www..net/
U832BS / u834bs telefunken semiconductors rev. a2, 27-jan-97 3 (6) electrical characteristics v s = 4.5 to 5.5 v, t amb = 0 to + 70 c, referred to test circuit, unless otherwise specified. parameters test conditions / pin symbol min typ max unit supply current v s = 5 v pin 8 U832BS (: 2) u834bs (: 4) i s 12 13 16 17.5 ma ma rf input pin 2 rf i input sensitivity 1) r s = 50  v irf 80 300 mv input frequency range r s = 50  pin 2 f imin f imax 3000 300 mhz rf output pins 6 and 7 rf o output level v s = 5 v, r 6 , r 7 =  r l = 50  r 6 , r 7 = 1 k v rfo 8 5 dbm dc output level r l  10 k  v s = 5 v high low rf dch rf dcl 3.6 3.1 v v 1) rms-voltage calculated from the measured available power. r s = system resistance, r l = load resistance output stage 2.3 k  2.3 k  r 7 7 6 r 6 output 1,5 n.c. 94 7882 figure 2. input sensitivity vs. frequency 0 1000 2000 3000 4000 10 100 1000 v ( mv ) i rf i ( mhz ) 94 7848 rms r s =50  , v s =5v typical values for t amb =25 c guaranteed operating range t amb = 0 to 70 c 300 80 figure 3. www.datasheet.co.kr datasheet pdf - http://www..net/
U832BS / u834bs telefunken semiconductors rev. a2, 27-jan-97 4 (6) input impedance s11 0.2j 0.5j j 2j 5j 0 0.2j 0.5j j 2j 5j 0. 2 0. 5 1 2 5  4050 3853 3655 3458 3260 3063 2865 2667 2470 2273 2075 1680 1878 1483 1285 1087 890 693 495 297 10 0 93 7812 e figure 4. www.datasheet.co.kr datasheet pdf - http://www..net/
U832BS / u834bs telefunken semiconductors rev. a2, 27-jan-97 5 (6) application master-slave-d-flip-flops (ms-d-ff's) can be used for frequency division by feeding back the inverted output to the data input. typical for this kind of dividers is a free running oscillation of the first divider stage. here, the input sensitivity of the circuit is minimal (see data sheet page 5: input sensitivity vs. frequency). an oscillation frequency of, e.g., 3.5 ghz (related to the input) will result in an output the part number of frequency of 3.5 ghz: 4 = 875 mhz. to indicate this, temic's self- oscillating frequency dividers are ending with aso (u834bs-afp). this oscillation is often used for the quality control of ics: the higher the frequency, the better the performance. it occurs only if the offset voltage of the input transistor pair is below a certain limit. on the other hand, if this oscillation causes problems, e.g., in frequency counters, an external offset may be added. this can simply be done by connecting an ohmic resistor from pin 3 (rf input) to ground. using a value of r 3 = 47 k  will stop self oscillation without degrading the input sensitivity markly. smaller values will decrease the sensitivity especially at higher frequencies. 1 U832BS u834bs 2 3 4 8 7 6 5 < 50 k w r 3 100 pf rf input 100 pf 470 pf 470 pf 1 u891bs u893bse 2 3 4 8 7 6 5 rf output 1 nf v batt 13291 figure 5. package information 13034 technical drawings according to din specifications package so8 dimensions in mm 5.00 4.85 0.4 1.27 3.81 1.4 0.25 0.10 5.2 4.8 3.7 3.8 6.15 5.85 0.2 85 85 www.datasheet.co.kr datasheet pdf - http://www..net/
U832BS / u834bs telefunken semiconductors rev. a2, 27-jan-97 6 (6) 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 www.datasheet.co.kr datasheet pdf - http://www..net/


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