www.rfm.com e-mail: info@rfm.com page 1 of 3 ?2009 by rf monolithics, inc. RF3446E - 2/6/09 electrical characteristics characteristic sym notes minimum typical maximum units center frequency at 25c absolute frequency f c 1, 2, 3 433.92 mhz passband ripple 433.90 to 433.94 mhz 0.5 1.2 db insertion loss (433.760 - 434.080) il min 1, 3 2.0 3.0 db 3 db bandwidth bw 3 1, 3 960 1080 1150 khz rejection attenuation: (relative to ilmin) 10 - 418 mhz 1, 3 47 50 db 418 - 423.7 mhz 44 47 423.7 - 430 mhz 33 36 430 - 432.5 mhz 16 19 436 - 438.5 mhz 18 21 438.5 - 446 mhz 21 24 446 - 452 mhz 38 41 452 - 1000 mhz 45 48 turnover temperature to 3, 4 10 25 40 c temperature freq. temp. coefficient ftc 0.032 ppm/c 2 frequency aging absolute value during the first year |fa| 5 10 ppm/yr impedance @ fc input z in = r in llc in z in 1 130 ? || 2.5 pf output z out = r out llc out z out 134.5 ? || 2.48 pf lid symbolization (y=year ww=week s=shift) 776 // ywws standard reel quantity reel size 7 inch 9 500 pieces/reel reel size 13 inch 3000 pieces/re el ? ideal front-end filter for european wireless receivers low-loss, coupled-resonator quartz design simple external impedance matching complies with directive 2002/95/ec (rohs) the RF3446E is a low-loss, compact, and economical surface-acoustic-wave (saw) filter designed to pro- vide front-end selectivity in 433.92 mhz receivers. receiver designs using this filter include superhet with 10.7 mhz or 500 khz if, direct conversion and superregen. typical applications of these receivers are wire- less remote-control and security devices operating in europe under etsi i-ets 300 220. 433.92 mhz saw filter RF3446E sm3030-6 case 3.0 x 3.0 caution: electrostatic sensitive device. observe precautions for handling. notes: 1. unless noted otherwise, all measurements are made with the filter installed in the specified test fixture which is connected to a 50 ? test system with vswr 1.2:1. the test fixture l and c are adjusted for minimum insertion loss at the filter center frequency, f c . note that insertion loss and bandwidth and passband shape are dependent on the impedance matching component values and quality. 2. the frequency f c is defined as the midpoint between the 3db frequencies. 3. where noted specifications apply over the entire specified operating temperature range of -40c to +90c. 4. the turnover temperature, t o , is the temperature of maximum (or turnover) frequency, f o . the nominal frequency at any case temperature, t c , may be calculated from: f=f o [1 - ftc (t o -t c ) 2 ]. 5. frequency aging is the change in fc with time and is specified at +65c or less. aging may exceed the specification for prolo nged temperatures above +65c. typically, aging is greatest the first year after manufacture, decreasing significantly in subsequent years. 6. the design, manufacturing process, and specifications of this device are subject to change. 7. one or more of the following u.s. patents apply: 4,54,488, 4,616,197, and others pending. 8. all equipment designs utilizing this product must be approved by the appropriate government agency prior to manufacture or sa le. 9. tape and reel standard per ansi / eia 481. pb www.datasheet.net/ datasheet pdf - http://www..co.kr/
433.92 mhz saw filter www.rfm.com e-mail: info@rfm.com page 2 of 3 ?2009 by rf monolithics, inc. RF3446E - 2/6/09 ch1 s2 1 l og 10 db/ ref 0 d b cent er 43 3 . 9 20 000 mhz span 100 . 00 0 0 00 mhz cor 5 feb 2009 12 :02:45 1 1 : -2 . 039 1 db 43 3 . 9 20 000 mhz rf 3446 e demo 1 resp c h1 s11 1 u fs cent r 433 . 920 mhz span 2 . 000 mhz cor ch2 s21 lo g 1 db/ ref -3 db start 4 32 . 920 000 mhz sto p 434 . 920 000 mhz cor ch3 s22 1 u fs centr 433 . 920 mh z span 2 . 000 mhz cor 5 feb 2009 11:57:55 1 1 : 53 . 338 3. 15 23 1 . 1562 nh 433 . 920 000 mhz 1 2 3 4 1 : 0 . 0000 db 0 . 000 000 mhz max ref= 1 ch2 markers bw: 1. 109202 mhz cent : 433 . 992586 mhz q : 391 . 27 1_ loss : -1 . 9577 db 1 1 : 56 . 678 6 . 1484 2 . 2551 nh 433 . 920 000 m hz RF3446E demo 1 full full www.datasheet.net/ datasheet pdf - http://www..co.kr/
433.92 mhz saw filter www.rfm.com e-mail: info@rfm.com page 3 of 3 ?2009 by rf monolithics, inc. RF3446E - 2/6/09 input output absolute maximum ratings rating value units input power level 10 dbm dc voltage 12 vdc storage temperature -40 to +125 c operable temperature range -40 to +105 c soldering temperature (10 seconds/5 cycles max..) 260 c pin connection 1 input 2 input return 3 ground 4output 5output return 6 ground electrical connections case dimensions dimension mm inches min nom max min nom max a 2.87 3.0 3.13 0.113 0.118 0.123 b 2.87 3.0 3.13 0.113 0.118 0.123 c 1.12 1.25 1.38 0.044 0.049 0.054 d 0.77 0.90 1.03 0.030 0.035 0.040 e 2.67 2.80 2.93 0.105 0.110 0.115 f 1.47 1.6 1.73 0.058 0.063 0.068 g 0.72 0.85 0.98 0.028 0.033 0.038 h 1.37 1.5 1.63 0.054 0.059 0.064 i 0.47 0.60 0.73 0.019 0.024 0.029 j 1.17 1.30 1.43 0.046 0.051 0.056 1 2 3 6 5 4 1 2 3 6 5 4 a bc d j ef gh i matching circuit to 50 ? 1 6 5 4 2 3 47 nh 6.8 pf 5.0 pf 43 nh www.datasheet.net/ datasheet pdf - http://www..co.kr/
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