TAI-SAW TECHNOLOGY CO., LTD. No. 3, Industrial 2nd Rd., Ping-Chen Industrial District, Tao-Yuan, 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: 248.45 MHz PHS IF SAW Filter (SMD 3.5×3.5 mm) TST Parts No.: TB0251A Customer Parts No.: Company: Division: Approved by : Date: Checked by: Andy Lee Approval by: Francis Chen Date: 2005,8,4 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, Taiwan, R.O.C. TEL: 886-3-4690038 FAX: 886-3-4697532 E-mail: [email protected] Web: www.taisaw.com 248.45 MHz PHS IF SAW Filter (SMD 3.5×3.5 mm) Model No.: TB0251A Rev. No.:3 RoHS Compliant Lead free Lead-free soldering A. Maximum Rating: 1. Input Power Level: +5 dBm 2. Operating Temperature: -10°C to +60°C 3. Storage Temperature: -40°C to +85°C B. Electrical Characteristics: Parameters Unit Nominal Center frequency, Fo Insertion Loss at Fo 3 dB Bandwidth Amplitude ripple, Fo±100 KHz MHz Min. - Typical 248.45 Max. - dB - 4.0 4.5 MHz - 0.56 - 0.55 1.0 dB µsec - 0.55 1.0 Fo±600 KHz dB 25 27 - Fo±10.7 MHz dB 40 60 - Fo±21.4 MHz dB 60 65 - Group delay ripple, Fo±100 KHz Attenuation: C. Measurement Circuit: TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document - 2 - D. Frequency Characteristics: 1. S21 Response Fig1. Horizontal: 1MHz/Div Vertical: 10dB/Div 2. S21 Response (Passband group delay and Passband ripple) Fig2. Horizontal: 0.1MHz/Div Vertical: 1dB/Div TAI-SAW TECHNOLOGY CO., LTD. 1µS/div TST DCC Release document - 3 - E. Outline Drawing: □: Date code TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document - 4 - G. PACKING: 1. REEL DIMENSION 2. TAPE DIMENSION 251 TB□ Direction of Feed TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document - 5 -