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| SAW Components Data Sheet B4956 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Ceramic package Features s s s s s s s B4956 85,38 MHz QCC10B IF filter for mobile telephone Channel selection in CDMA systems Balanced or unbalanced operation possible High rejection, very small size Low amplitude ripple Filter surface passivated Package for Surface Mounted Technology (SMT) Terminals s Gold plated Dimensions in mm, approx. weight 0,23 g Pin configuration 10 9 5 4 2, 7 1, 3, 6, 8 Input Balanced input or ground Output Balanced output To be grounded Case ground Type B4956 Ordering code B39850-B4956-Z710 Marking and Package according to C61157-A7-A49 Packing according to F61074-V8172-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage ESD voltage Source power T Tstg VDC V*ESD Ps - 40/+ 85 - 40/+ 85 3 100 10 C C V V dBm Machine Model, 10 pulses * - acc. to JESD22-A115A (Machine Model), 10 negative & 10 positive pulses 2 Mar 11, 2005 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B4956 85,38 MHz T = -35C .. +85 C ZS = 1570 || 361 nH ZL = 500 || 258 nH min. typ. 85,38 9,0 11,3 max. -- 10,8 12,8 MHz dB dB Nominal frequency Minimum insertion attenuation (without loss in matching network) fN min min -- -- -- Minimum insertion attenuation (with loss in matching network according to figure 1) Amplitude ripple fN - 0,3 MHz ... fN + 0,3 MHz -- 0,4 1,0 dB Phase linearity (rms deviation) fN - 0,615 MHz ... fN + 0,615 MHz Relative attenuation (relative to min) fN 0,63 MHz rel -- 2,0 3,5 -- 36 36 37 37 39 37 35 34 33 40 4,5 40 42 42 48 42 42 38 40 36 46 5,0 -- -- -- -- -- -- -- -- -- -- dB dB dB dB dB dB dB dB dB dB dB fN - 0,9 fN + 0,9 fN - 1,7 fN + 1,7 fN - 9,0 fN - 3,0 fN - 1,7 fN + 0,9 fN + 1,7 fN + 7,0 MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz ... ... ... ... ... ... fN - 3,0 fN - 1,7 fN - 0,9 fN + 1,7 fN + 7,0 fN + 9,0 MHz MHz MHz MHz MHz MHz 3 Mar 11, 2005 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Normalized transfer function (balanced/balanced): B4956 85,38 MHz Normalized transfer function (passband, balanced/balanced): 4 Mar 11, 2005 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Normalized transfer function (wideband, balanced/balanced): B4956 85,38 MHz 5 Mar 11, 2005 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Figure 1: Matching network for 1570 / 500 configuration B4956 B7104 B4956 85,38 MHz Input 1570 balanced 1900 balanced INPUT 10 361 nH 261 nH Q=45 5 267 nH 258 nH Q=45 OUTPUT 500 Output balanced 2100 balanced 9 4 pins 2,7 GND balanced input: pins 9,10 balanced output: pins 4,5 not connected: 1,3,6,8 Figure 2: Test matching network (Element values depend on pcb layout) B4956 B7104 50 4.7 pF 4.7 pF 1:4 8,2 nH 10 220 nH 5 180 nH 12 pF 5.6pF 50 180 nH Q=40 8,2 nH 180 nH Q=40 9 2.2 pF fine tuning cap 4 2.7 pF fine tuning cap pins 2,7 GND balanced input: pins 9,10 balanced output: pins 4,5 not connected: 1,3,6,8 4.7 pF 4:1 12 pF Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC PD P.O. Box 80 17 09, 81617 Munich, GERMANY (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 Mar 11, 2005 |
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