www.rfm.com e-mail: info@rfm.com page 1 of 2 ?2008-2010 by rf monolithics, inc. RF3391D - 12/14/10 electrical characteristics characteristic sym notes minimum typical maximum units center frequency at 25c f c 1, 2, 3 433.42 mhz insertion loss il min 1, 3 2.8 3.5 db passband ripple (relative to il min ) f c 200 khz 1, 3 1.2 1.8 db 3 db bandwidth bw 3 1, 3 500 600 800 khz rejection relative to il min 10 - 415 mhz 1, 3 40 43 db 415 - 425 mhz 30 33 425 - 431 mhz 20 23 435 - 440 mhz 10 13 445 - 450 mhz 30 33 450 - 1000 mhz 40 43 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 1 137.18 ? ||7.58 pf output z out = r out llc out z out 126.97 ? || 7.87 pf lid symbolization (y=year ww=week s=shift) 739 // ywws standard reel quantity reel size 7 inch 9 500 pieces/reel reel size 13 inch 3000 pieces/reel ? 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) 10 the RF3391D is a low-loss, compact, and economical surface-acoustic-wave (saw) filter designed to provide front-end selectivity in 433.42 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 wireless remote-control and security devices operating in europe under etsi i-ets 300 220. characteristic value units input power level +10 dbm dc voltage 12 vdc storage temperature range -40 to +125 c operating temperature range -40 to +125 c soldering temperature (10 seconds / 5 cycles maximum) 260 c 433.42 mhz saw filter RF3391D sm3838-8 case 3.8 x 3.8 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. 10. this product complies with directive 2002/95/ec of the european parlament and of the council of 27 january 2003 on the restr iction of the use of certain hazadous substances in electrical and electronic equipment. pb
www.rfm.com e-mail: info@rfm.com page 2 of 2 ?2008-2010 by rf monolithics, inc. RF3391D - 12/14/10 3.3 pf pin connection 1 input ground 2 input 3 ground 4 case ground 5 output 6 output ground 7 ground 8 case ground matching circuit to 50 ? primary electrical connections a 1 2 3 b 7 6 5 4 c h 7 6 5 4 e f g 1 2 3 8 8 d case dimensions dimension mm inches min nom max min nom max a 3.6 3.8 4.0 0.14 0.15 0.16 b 3.6 3.8 4.0 0.14 0.15 0.16 c 1.00 1.20 1.40 0.04 0.05 0.055 d 0.95 1.10 1.25 0.033 0.043 0.05 e 0.90 1.0 1.10 0.035 0.04 0.043 f 0.50 0.6 0.70 0.020 0.024 0.028 g 2.39 2.54 2.69 0.090 0.100 0.110 h 1.40 1.75 2.05 0.055 0.069 0.080
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