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: [email protected] Web: www.taisaw.com Approval Sheet For Product Specification Issued Date: Product Name: SAW Filter 325MHz, F11 TST Parts No.: TA325E1 Customer Parts No.: Company: Division: Approved by : Date: Checked by: Vincent Lee Approval by: Y.T. Huang Date: Sep. 1. 2000 TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document FR-03S06-02 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: [email protected] Web: www.taisaw.com SAW Filter 325 MHz For Pager MODEL NO.: TA325E1 A. REV. NO.: 1 MAXIMUM RATING: 1. Input Power Level: 0 dBm 2. DC voltage: 10 V 3. Operating Temperature: -10°C to +50°C 4. Storage Temperature: -40°C to +85°C B. ELECTRICAL CHARACTERISTICS: Characteristics Specification Note 325 1 Center frequency FC (MHz) I.L. (Within FC +/- 4MHz) (dB ) 4.5 max. Pass band BW3dB (MHz) 8.0 min. 1 Ripple( Within FC +/- 4MHz) (dB ) 2.0 max. 1 Attenuation:( Reference level from 0 dB) (dB ) FC - 100MHz to -37.5MHz (dB ) FC +37.5MHz to + 100MHz (dB ) 48 min. 48 min. 1 100 Ω // 0 pF 100 Ω // 0 pF 2 2 Impedance at FC ; Input ZIN =RIN//CIN Output ZOUT =ROUT//COUT Note1. The standard definitions is in JIS C 6703 Note2. Source im pedance 50Ω Load im pedance 50Ω Z IN =100Ω // 0 pF TAI-SAW TECHNOLOGY CO., LTD. Z OUT =100Ω // 0 pF 1 FREQUENCY CHRACTERISTICS: 325MHz 0 -2 Attenuation (dB) -4 -6 -8 -10 -12 -14 -16 -18 -20 310 315 320 325 330 335 340 Frequency (MHz) 325MHz 0 -10 -20 Attenuation (dB) C. -30 -40 -50 -60 -70 -80 -90 275 285 295 305 315 325 335 345 355 365 375 Frequency (MHz) TAI-SAW TECHNOLOGY CO., LTD. 2 D. MEASUREMENT CIRCUIT: HP Network analyzer 50Ω #1 SAW Filter 8.2pF 33nH E. #4 8.2pF #2,#3 50Ω 33nH OUTLINE DRAWING: TAI-SAW TECHNOLOGY CO., LTD. 3