saw bandpass filter F3256 part no. F3256 features z rf bandpass filter z high attenuation z usable bandwidth 6.6mhz z no matching 50 single-ended operation z ceramic surface mounted device (smd) package 1.20.15 0.60.15 2.080.15 5.000.15 5.000.15 1.270.05 1 4 3 8 8 77 6 3 2 1 6 5 5 4 2 1.350.15 package dimensions itf 3256 dimensions shown are nominal in millimeters pin configuration 2 input 6 output 1, 3, 4, 5, 7, 8 case ground body : al 2 o 3 ceramic lid : kovar, ni plated terminations : au plating 0.3 ~ 1. 0 um, over a 1.27 ~ 8.89 um ni plating maximum ratings parameter unit minimum typical maximum operating temperature range c -10 25 60 storage temperature range c -40 - 85 power handling capability dbm - - - electrostatics sensitive device ( esd) rev. date 2004-04-12 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. ns3002-as01 1/7
saw bandpass filter F3256 part no. F3256 specifications fc = 325.3mhz terminating source impedance : 50 terminating load impedance : 50 minimum typical maximum center frequency ( fc ) mhz - 325.3 - insertion loss (fc +/- 3.3 mhz) db - 3.0 3.5 amplitude ripple (fc +/- 3.3 mhz) db - 1.0 2.0 absolute group delay at fc nsec - 80 - group delay variation (fc +/- 3.3 mhz) nsec - 50 - vswr (fc +/- 3.3 mhz) - 1.5 2.0 relative attenuation ? ~ fc - 40 mhz fc + 40 mhz ~ ? db 50 50 55 55 - temperature coefficient of frequency ppm/c - -80 - notes : 1) all specifications are based on th e matching schematic shown below, measur ed by agilent network analyzer and full 2 port calibration. 2) electrical margin has been built into the design to accoun t for the variations due to temperature drift and manufacturing tolerances 3) all attenuation measurements are measured relative to insertion loss rev. date 2004-04-12 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. ns3002-as01 2/7
saw bandpass filter F3256 part no. F3256 matching schematic ( actual matching values may vary due to pcb layout and parasitics ) input 50 output 50 marking configuration itf 1) 3256 2) 1) manufacturer name 2) marking number * ink or laser marking available rev. date 2004-04-12 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. ns3002-as01 3/7
saw bandpass filter F3256 part no. F3256 typical performance ( at 25 ) ch1 s21 log 10 db/ ref 0 db center 325 . 300 000 mhz span 100 . 000 000 mhz cor prm 6 apr 2004 21:51:37 1 2 2: . 85200 db 6. 600 000 mhz ref=1 ch1 markers mean : -2 . 5482 db s. dev : . 28090 db p-p : . 86610 db ch1 s21 log 10 db/ ref 0 db start . 030 000 mhz stop 1 000 . 000 000 mhz c 3 apr 2004 11:05:42 1 1: -2 . 6739 db 325 . 300 000 mhz rev. date 2004-04-12 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. ns3002-as01 4/7
saw bandpass filter F3256 part no. F3256 input / output vswr charts ch1 s11 swr 1 / ref 1 center 325 . 300 000 mhz span 100 . 000 000 mhz cor 3 apr 2004 11:01:04 1 1: 1. 5016 325 . 300 000 mhz ch1 s22 swr 1 / ref 1 center 325 . 300 000 mhz span 100 . 000 000 mhz cor 3 apr 2004 11:01:13 1 1: 1. 5130 325 . 300 000 mhz input / output smith charts ch1 s11 1 u fs center 325 . 300 000 mhz span 100 . 000 000 mhz cor 3 apr 2004 11:00:43 1 1: 34. 922 -8 . 0664 60. 654 pf 325 . 300 000 mhz rev. date 2004-04-12 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. ns3002-as01 5/7 ch1 s22 1 u fs center 325 . 300 000 mhz span 100 . 000 000 mhz cor 3 apr 2004 11:00:53 1 1: 34. 375 -7 . 4707 65. 490 pf 325 . 300 000 mhz
saw bandpass filter F3256 part no. F3256 packing specification 1. reeling quantity : 1000 pcs / reel 2. taping structure : the tape shall be wound ar ound the reel in the direction shown below. reel top cover tape carrier tape tape specification 1. leader part and vacant position specification end start tape running direction vacant 150mm min. component contained vacant 150mm min. leader part 250mm min. 2. tensile strength of carrier tape 4.4n/mm width 0~15 degree top cover tape direction of pull carrier tape 3. top cover tape adhesion 1) pull off angle : 0~15 2) speed : 300mm/min 3) force : 20~70g rev. date 2004-04-12 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. ns3002-as01 6/7
saw bandpass filter F3256 part no. F3256 carrier tape dimensions [unit : mm] a 5.50 0.1 b 5.50 0.1 c 7.25 0.1 d 1.95 0.1 e 12.00 0.1 f 8.00 0.1 rev. date 2004-04-12 i t f co., ltd. 102-901, bucheon technopark 364, samjeong-dong, ojeong-gu, bucheon-city, gyounggi-do, korea 421-809 rev. ns3002-as01 7/7 part direction tape running direction reel dimensions [unit : mm]
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