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: Two-Port SAW Filter 488MHz TO-39 TST Parts No.:TB480E3 Customer Parts No.: Company: Division: Approved by : Date: Checked by: Jacky Huang Approval by: Vincent Lee Date: 3/26, 2001 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 480MHz for Satellite Receiver MODEL NO.: TB480E3 REV. NO.: 2 A. MAXIMUM RATING: 1. DC Voltage Vdc: 0V 2. AC Voltage Vac: 3V 3. Operating Temperature: -20°C to 70°C 4. Storage Temperature: -55°C to 85°C B. ELECTRICAL CHARACTERISTICS: Item Unit MHz Min. - Type. 480 Max. - Insertion Loss, IL at Fc dB - 21.3 23 Passband width, BW3 MHz 26.9 27.9 28.9 Amplitude Ripple in Fc +/- 6.5MHz dB - 0.2 0.5 Group delay ripple in Fc +/- 13MHz nS - 8.5 15 Fc –13.5MHz dB - 2.9 5 Fc +13.5MHz dB - 2.9 5 Fc -50 to –28MHz dB 35 42 - Fc +27 to +50MHz dB 33 39 - ppm/c - -86 - Center frequency, Fc Attenuation:(Reference level from IL) Temperature coefficient of frequency TAI-SAW TECHNOLOGY CO., LTD. 1 C. OUTLINE DRAWING: D. FREQUENCY CHRACTERISTICS: (1) Frequency Response: S21 0 -10 -20 dB -30 -40 -50 -60 -70 -80 -90 430 440 450 460 470 480 490 500 510 520 530 Freq.(MHz) TAI-SAW TECHNOLOGY CO., LTD. 2 (2) Amplitude ripple: Passband -19 -20 dB -21 -22 -23 -24 -25 465 470 475 480 Freq.(MHz) 485 490 495 490 495 (3) Group delay: Group Delay 295 285 dB 275 265 255 245 235 465 470 475 480 485 Freq.(MHz) TAI-SAW TECHNOLOGY CO., LTD. 3 E. MEASUREMENT CIRCUIT: From 50Ω Network Analyzer To 50Ω Network Analyzer TAI-SAW TECHNOLOGY CO., LTD. 4