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| SAW Components Data Sheet X 6940 D SAW Components Bandpass Filter Data Sheet X 6940 D 57,00 MHz Duroplast package SIP5D Features s s s s IF filter for digital terrestrial TV Constant group delay Optimized for cascade of two devices Standard IC package 1 2 3 13,7 4 5 2,4 0,65 Terminals s Tinned CuFe alloy 4x 2,54 Dimensions in mm, approx. weight 0,5 g Pin configuration 1 2 3 4 5 Input Input - ground Chip carrier - ground Output Output Type X 6940 D Ordering code B39570-X6940-N201 Marking and package according to C61157-A1-A21 Packing according to F61074-V8049-Z000 Maximum ratings Operable temperature range Storage temperature range DC voltage AC voltage TA Tstg VDC Vpp -25/+65 -40/+85 5 10 C C V V between any terminals between any terminals 2 May 18, 2005 3,4 0,38 4,8 SAW Components Bandpass Filter Data Sheet Characteristics Reference temperature: Terminating source impedance: Terminating load impedance: Insertion attenuation Reference level for the following data X 6940 D 57,00 MHz TA = 25 (45) C ZS = 50 ZL = 2 k || 3 pF and matching network min. typ. 14,6 max. 16,1 dB 57,02 (57,00) MHz 13,1 Amplitude ripple (p-p) 54,52 ... 59,02 (54,50 ... 59,00) MHz Relative attenuation 52,77 (52,75) 54,12 (54,10) 59,52 (59,50) 60,27 (60,25) 62,40 (62,38) 64,77 (64,75) MHz MHz MHz MHz MHz MHz rel -- 0,5 -- dB 38,0 1,6 1,9 30,0 41,0 43,0 38,0 34,0 36,0 42,0 44,0 2,8 3,1 38,0 47,0 49,0 43,0 39,0 42,0 52,0 -- 4,0 4,3 -- -- -- -- -- -- -- dB dB dB dB dB dB dB dB dB dB Lower sidelobe 45,02 ... 50,02 (45,00 ... 50,00) MHz 50,02 ... 52,77 (50,00 ... 52,75) MHz Upper sidelobe 62,40 ... 70,02 (62,38 ... 70,00) MHz Reflected wave signal suppression 1,5 s ... 6,0 s after main pulse (test pulse 250 ns, carrier frequency 57,02 MHz) Group delay ripple (p-p) 54,52 ... 59,02 (54,50 ... 59,00) MHz Impedance at 57,02 MHz Input: ZIN = RIN || CIN Output: ZOUT = ROUT || COUT Temperature coefficient of frequency -- -- -- 40 1,3||23,5 4,0|| 6,3 -18 -- -- -- -- ns k || pF k || pF ppm/K TCf -- Matching network: Lp1 = 820 nH 3 May 18, 2005 SAW Components Bandpass Filter Data Sheet Frequency response X 6940 D 57,00 MHz 4 May 18, 2005 SAW Components Bandpass Filter Data Sheet Frequency response X 6940 D 57,00 MHz Time domain response 5 May 18, 2005 SAW Components Bandpass Filter Data Sheet X 6940 D 57,00 MHz Published by EPCOS AG Surface Acoustic Wave Components Division, SAW CE MM PD P.O. Box 80 17 09, D-81617 Munchen (c) EPCOS AG 2005. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS' prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices. 6 May 18, 2005 |
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