tai-saw technology co., ltd. 2 tst dcc release document tai-saw technology co., ltd. no. 3, industrial 2nd rd., ping-chen industrial district, taoyuan, 324, taiwan, r.o.c. tel: 886-3-4690038 fax: 886-3-4697532 e-mail: tstsales@mail.taisaw.com web: www.taisaw.com saw filter 246 mhz model no.:TA1472A rev. no 1.0 a. maximum rating: 1. input power level: 10 dbm 2. dc voltage : 0v 3. operating temperatur e: -20c to +70c 4. storage temperatur e: -40c to +85c b. electrical characteristics : item unit min. typ. max. center frequency fc mhz - 246 - 1db bw khz 200 350 - 3db bw khz - 500 - minimum insertion loss il(min) exclude loss in matching elements *1) incl. loss of matching elements *2) db db - - 1.9 2.1 3.2 3.4 passband (relative to il min ) *1) 245.90 ~ 246.10 mhz db - 0.5 1.5 attenuation (relative to il min ) *1) 10.000 ~ 203.00 mhz db 50 65 - 203.00 ~ 240.00 mhz db 33 41 - 240.00 ~ 245.00 mhz db 15 25 - 247.00 ~ 265.00 mhz db 10 18 - 265.00 ~ 400.00 mhz db 39 47 - 400.00 ~ 1000.0 mhz db 50 57 - temperature coefficient ppm/oc2 -0.036 impedance at fc , input *1) zin = rin//cin zs ? 2195 //1.9pf impedance at fc, output *1) zout = rout//cout z l ? 2915 //1.68pf *1) the matching circuit is ideal by simluation. *2) the matching circuit is real by actual passive components. 0805 coillcraft cs series chip conductor is used for inductor. 0402 murata grm series is used for capacitor. rohs compliant lead free lead-free soldering e lectrostatic s ensitive d evice
tai-saw technology co., ltd. 3 tst dcc release document c. frequency characteristics :
tai-saw technology co., ltd. 4 tst dcc release document d. measurement circuit: the matching circuit is ideal by simulation l1 212nh , l2 245nh (ideal value) c1 0pf , c2 0pf (ideal value)
tai-saw technology co., ltd. 5 tst dcc release document e.outline drawing: f. pcb footprint: 1472 #2 input #6 output #4 8 case ground #1 3 5 7 ground ? year code data code wk01 wk02 wk03 wk04 wk05 wk06 wk07 wk08 wk09 wk10 wk11 wk12 wk13 abcdefgh i jklm wk14 wk15 wk16 wk17 wk18 wk19 wk20 wk21 wk22 wk23 wk24 wk25 wk26 nopqrs tuvwxy z wk27 wk28 wk29 wk30 wk31 wk32 wk33 wk34 wk35 wk36 wk37 wk38 wk39 abcde f gh i j k lm wk40 wk41 wk42 wk43 wk44 wk45 wk46 wk47 wk48 wk49 wk50 wk51 wk52 nopq r s t uvwxyz
tai-saw technology co., ltd. 6 tst dcc release document g. packing: 1. reel dimension 2. tape dimension 1472
tai-saw technology co., ltd. 7 tst dcc release document 20 40 60 80 100 120 140 160 180 200 220 240 260 280 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 time (sec) temp ( deg c) h. recommended reflow profile :
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