Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK SAW Filter 43.750MHz Part No: MP05517 Model: TB1021A Rev No: 1 A. FEATURES: Electrostatic Sensitive Device (ESD) IF Filter for Digital Cable TV B. MAXIMUM RATING: 1. DC voltage: 12V 2. AC voltage: 10V 3. Storage Temperature: -40°C to +85°C 4. Operable Temperature: -20°C to +65°C C. ELECTRICAL CHARACTERISTICS: Reference Temperature: 25(45)°C Characteristic Units Min. Typ. Max. MHz 43.68 43.75 43.82 Insertion Loss IL dB 13 14.8 16 Bandwidth -3dB MHz 5.9 Bandwidth -30dB MHz 7.6 Center frequency Fc Relative attenuation 41.28 (41.22)MHz dB -0.8 0.3 1.4 46.34 (46.28)MHz dB -0.8 0.3 1.4 40.81 (40.75)MHz dB 1.5 2.7 4.0 46.81 (46.75)MHz dB 1.5 2.7 4.0 39.81 (39.75)MHz dB 37 50 47.81 (47.75)MHz dB 35 48 Group Delay Ripple (p-p) 40.81 ~ 46.81 (40.75 ~ 46.75) MHz nS 45 Lower Sidelobe 35.06~38.81 (35.00 ~ 38.75)MHz dB 40 47 Lower Sidelobe 38.81~39.81(38.75 ~ 39.75)MHz dB 37 44 Upper Sidelobe 47.81~48.81(47.75 ~ 48.75)MHz dB 35 42 Upper Sidelobe 48.81~55.06(48.75 ~ 55.00)MHz dB 40 42 Temp. coeff. ppm/K Input / Output Impedance -72 kΩ // pF ZIN: 1.2 // 16.6; ZOUT = 1.2 // 4.6pF TB1021A v1 1 Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK SAW Filter 43.750MHz Part No: MP05517 Model: TB1021A Rev No: 1 D. FREQUENCY CHARACTERISTICS: 3.0 48.81 47.81 46.81 41.28 40.81 38.81 0.0 0 39.81 10 43.81 TB1021A -10 αrel [dB] -20 30.0 -30 40.0 45.0 50.0 -40 -50 -60 -70 -80 35 37 39 41 43 45 47 49 51 53 55 f [MHz] Fig. 1 S21 Response (Fc = 43.75MHz / Span = 20MHz) TB1021A v1 2 Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK SAW Filter 43.750MHz Part No: MP05517 Model: TB1021A Rev No: 1 TB1021A 2 46.81 46.34 43.81 41.28 40.81 120 0 90 -1 60 -2 30 -3 0 -4 -30 -5 -60 -6 -90 -7 -120 -8 -150 △T [ns] αrel [dB] 1 150 39.0 39.5 40.0 40.5 41.0 41.5 42.0 42.5 43.0 43.5 44.0 44.5 45.0 45.5 46.0 46.5 47.0 47.5 48.0 48.5 49.0 f [MHz} Fig. 2 Group Delay TB1021A v1 3 Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK SAW Filter 43.750MHz Part No: MP05517 Model: TB1021A Rev No: 1 Fig.3 S21 Response (Fc = 43.75MHz / Span = 180MHz) TB1021A v1 4 Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK SAW Filter 43.750MHz Part No: MP05517 Model: TB1021A Rev No: 1 E. OUTLINE DRAWING: TB1021A v1 5 Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK SAW Filter 43.750MHz Part No: MP05517 Model: TB1021A Rev No: 1 F. TEST CIRCUIT: TB1021A v1 6 Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK SAW Filter 43.750MHz Part No: MP05517 Model: TB1021A Rev No: 1 G. PACKING: 1. Reel Dimension 2. Tape Dimension TB1021A v1 7 Tel: +44 1460 256 100 Fax: +44 1460 256 101 www.golledge.com Golledge Electronics Ltd Eaglewood Park, ILMINSTER Somerset, TA19 9DQ, UK SAW Filter 43.750MHz Part No: MP05517 Model: TB1021A Rev No: 1 H. RECOMMENDED REFLOW PROFILE: 360 340 320 300 280 260 240 220 200 180 160 140 120 100 80 60 40 20 0 1021 280 260 240 220 200 180 160 140 120 100 80 60 40 20 1021 Temp ( Deg C) Time (Sec) TB1021A v1 8