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| SAW Components Data Sheet B4235 SAW Components Low-Loss Dual Band Filter for Mobile Communication Data Sheet B4235 942,5/1842,5 MHz Ceramic package QCC10G Features s Low-loss RF filter for mobile telephone GSM s 0,4 1 2 3 4 0,45 5 s s s s s 900/1800 system , receive path Usable passband: Filter 1 (GSM900): 35 MHz Filter 2 (GSM1800): 75 MHz Unbalanced to balanced operation of both filters Impedance transformation from 50 to 150 for both filters Suitable for GPRS class 1 to 12 Ceramic package for Surface Mounted Technology (SMT) RoHS compliant 10 bottom view 0,6 9 8 7 6 0,5 0,8 side view 2,5 0,98 top view Terminals s Ni, gold-plated 3,0 Dimensions in mm, approx. weight 27 mg Pin configuration 1, 2 3, 4 6 7,8 9 5, 10 Output, balanced [ Filter 1 ] Output, balanced [ Filter 2] Input [ Filter 2] Case ground Input [ Filter 1 ] Case ground 9 1 7,8 2 3 6 4 5, 10 Type B4235 Ordering code B39182-B4235-H910 Marking and Package according to C61157-A7-A142 Packing according to F61074-V8174-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage ESD voltage Input power at Tx bands: GSM850, GSM900 GSM1800, GSM1900 T Tstg VDC VESD* PIN - 40 / + 85 - 40 / +85 5 50 C C V V Machine Model, 10 pulses 15 dBm peak power of GSM signal, duty cycle 4:8 * - acc. to JESD22-A115A (Machine Model), 10 negative & 10 positive pulses 2 July 14, 2005 SAW Components Low-Loss Dual Band Filter for Mobile Communication Data Sheet B4235 942,5/1842,5 MHz Characteristics Filter 1 ( GSM900 ) Operating temperature range: Terminating source impedance: Terminating load impedance: T = +25 2 C ZS = 50 (unbalanced) ZL = 150 (balanced) || 68 nH min. typ. 942,5 max. -- MHz Center frequency Maximum insertion attenuation 925,0 ... 960,0 Amplitude ripple (p-p) 925,0 ... 960,0 Input VSWR 925,0 ... 960,0 Output VSWR 925,0 ... 960,0 Output amplitude balance (|S31/S21|) 925,0 ... 960,0 MHz MHz MHz fc max MHz -- -- 1,8 2,2 dB -- 0,6 1,2 dB -- -- 1,9 1,9 2,1 2,1 MHz -2,0 -- 2,0 dB Output phase balance ((S31)-(S21)+180) 925,0 ... 960,0 MHz Absolute attenuation 10,0 480,0 880,0 905,0 980,0 1050,0 3500,0 4500,0 ... 480,0 ... 880,0 ... 905,0 ... 915,0 ...1050,0 ...3500,0 ...4500,0 ...6000,0 MHz MHz MHz MHz MHz MHz MHz MHz abs -10,0 -- 10,0 degree 45,0 30,0 24,0 20,0 23,0 30,0 22,0 15,0 53,0 38,0 27,0 25,0 30,0 34,0 26,0 17,0 -- -- -- -- -- -- -- -- dB dB dB dB dB dB dB dB 3 July 14, 2005 SAW Components Low-Loss Dual Band Filter for Mobile Communication Data Sheet B4235 942,5/1842,5 MHz Characteristics Filter 1 ( GSM900 ) Operating temperature range: Terminating source impedance: Terminating load impedance: T = -20 to +75 C ZS = 50 (unbalanced) ZL = 150 (balanced) || 68 nH min. typ. 942,5 max. -- MHz Center frequency Maximum insertion attenuation 925,0 ... 960,0 Amplitude ripple (p-p) 925,0 ... 960,0 Input VSWR 925,0 ... 960,0 Output VSWR 925,0 ... 960,0 Output amplitude balance (|S31/S21|) 925,0 ... 960,0 MHz MHz MHz fc max MHz -- -- 1,8 2,5 dB -- 0,9 1,5 dB -- -- 1,9 1,9 2,1 2,1 MHz -2,5 -- 2,5 dB Output phase balance ((S31)-(S21)+180) 925,0 ... 960,0 MHz Absolute attenuation 10,0 480,0 880,0 905,0 980,0 1050,0 3500,0 4500,0 ... 480,0 ... 880,0 ... 905,0 ... 915,0 ...1050,0 ...3500,0 ...4500,0 ...6000,0 MHz MHz MHz MHz MHz MHz MHz MHz abs -12,0 -- 12,0 degree 45,0 30,0 24,0 11,0 23,0 30,0 22,0 15,0 50,0 38,0 27,0 18,0 30,0 34,0 26,0 17,0 -- -- -- -- -- -- -- -- dB dB dB dB dB dB dB dB 4 July 14, 2005 SAW Components Low-Loss Dual Band Filter for Mobile Communication Data Sheet Transfer function of filter 1 (Narrow Band) B4235 942,5/1842,5 MHz Transfer function of filter 1 (Wide Band) 5 July 14, 2005 SAW Components Low-Loss Dual Band Filter for Mobile Communication Data Sheet B4235 942,5/1842,5 MHz Characteristics Filter 2 ( GSM1800 ) Operating temperature range: Terminating source impedance: Terminating load impedance: T = +25 2 C ZS = 50 (unbalanced) ZL = 150 (balanced) || 12.0 nH min. typ. 1842,5 max. -- MHz Center frequency Maximum insertion attenuation 1805,0 ...1880,0 Amplitude ripple (p-p) 1805,0 ...1880,0 Input VSWR 1805,0 ...1880,0 Output VSWR 1805,0 ...1880,0 Output amplitude balance (|S31/S21|) 1805,0 ...1880,0 MHz MHz fc max MHz MHz -- -- 2,4 2,7 dB -- 1,2 1,5 dB -- -- 2,4 2,2 2,6 2,4 MHz -1,5 -- 1,5 dB Output phase balance ((S31)-(S21)+180) 1805,0 ...1880,0 MHz Absolute attenuation 10,0 1000,0 1705,0 1920,0 1980,0 2030,0 5000,0 ...1000,0 ...1705,0 ...1785,0 ...1980,0 ...2030,0 ...5000,0 ...6000,0 MHz MHz MHz MHz MHz MHz MHz abs -10,0 -- 10,0 degree 40,0 26,0 13,0 15,0 24,0 30,0 25,0 50,0 28,0 17,0 24,0 28,0 34,0 30,0 -- -- -- -- -- -- -- dB dB dB dB dB dB dB 6 July 14, 2005 SAW Components Low-Loss Dual Band Filter for Mobile Communication Data Sheet B4235 942,5/1842,5 MHz Characteristics Filter 2 ( GSM1800 ) Operating temperature range: Terminating source impedance: Terminating load impedance: T = -20 to +75 C ZS = 50 (unbalanced) ZL = 150 (balanced) || 12.0 nH min. typ. 1842,5 max. -- MHz Center frequency Maximum insertion attenuation 1805,0 ...1880,0 Amplitude ripple (p-p) 1805,0 ...1880,0 Input VSWR 1805,0 ...1880,0 Output VSWR 1805,0 ...1880,0 Output amplitude balance (|S31/S21|) 1805,0 ...1880,0 MHz MHz fc max MHz MHz -- -- 2,4 2,7 dB -- 1,5 1,8 dB -- -- 2,4 2,2 2,6 2,4 MHz -1,5 -- 1,5 dB Output phase balance ((S31)-(S21)+180) 1805,0 ...1880,0 MHz Absolute attenuation 10,0 1000,0 1705,0 1920,0 1980,0 2030,0 5000,0 ...1000,0 ...1705,0 ...1785,0 ...1980,0 ...2030,0 ...5000,0 ...6000,0 MHz MHz MHz MHz MHz MHz MHz abs -10,0 -- 10,0 degree 40,0 26,0 10,0 15,0 24,0 30,0 25,0 50,0 28,0 17,0 24,0 28,0 34,0 30,0 -- -- -- -- -- -- -- dB dB dB dB dB dB dB 7 July 14, 2005 SAW Components Low-Loss Dual Band Filter for Mobile Communication Data Sheet Transfer function of filter 2 (Narrow Band) B4235 942,5/1842,5 MHz Transfer function of filter 2 (Wide Band) 8 July 14, 2005 SAW Components Low-Loss Dual Band Filter for Mobile Communication Data Sheet B4235 942,5/1842,5 MHz Published by EPCOS AG Surface Acoustic Wave Components Division, SAW COM WT 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. 9 July 14, 2005 |
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