SAW Components Data Sheet B4068 SAW Components B4068 904,5 / 925,5 MHz Low-Loss Filter for Mobile Communication Data Sheet Ceramic package QCC8D Features ■ Compact RF duplexer for cordless telephone ISM ■ No matching network required for operation at 50 Ω ■ Ceramic package Technology (SMT) for Surface Mounted Terminals ■ Gold-plated, Ni Dimensions in mm, approx. weight 0,037 g Pin configuration 1 3 6 2 Transmitter (Tx) Receiver (Rx) Antenna (Ant) Tx - ground 4, 8 Case / Rx - ground 5, 7 Ant - ground Type Ordering code Marking and Package according to Packing according to B4068 B39931-B4068-U810 C61157-A7-A72-X-27 F61074-V8101-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operating temperature range Storage temperature range DC voltage Source power T Tstg VDC Ps – 10/ +55 – 40/ +85 0 10 2 ˚C ˚C V dBm Aug 29, 2002 SAW Components B4068 904,5 / 925,5 MHz Low-Loss Filter for Mobile Communication Data Sheet Characteristics Tx - Ant Operable temperature range Ant term. impedance Port 1 term. impedance Port 2 term. impedance TA ZAnt ZPort 1 ZPort 2 = = = = –10 to 55 ˚C 50 Ω 50 Ω 50 Ω Center frequency fc Maximum insertion attenuation 902,30 ... 906,65 MHz Amplitude ripple (p-p) 902,30 ... 906,65 MHz Absolute attenuation 450,00 ... 850,00 MHz 850,00 ... 870,00 MHz 870,00 ... 890,00 MHz 924,90 ... 927,60 MHz 960,00 ... 1000,00 MHz 1000,00 ... 1600,00 MHz 1600,00 ... 2500,00 MHz αmax min. typ. max. — 904,5 — — 3,6 4,0 dB — 0,5 1,5 dB MHz ∆α α 40 28 10 38 48 40 25 54 54 39 44 54 51 35 — — — — — — — min. typ. max. dB dB dB dB dB dB dB Characteristics Rx - Ant Operable temperature range Ant term. impedance Port 1 term. impedance Port 2 term. impedance TA ZAnt ZPort 1 ZPort 2 = = = = –10 to 55 ˚C 50 Ω 50 Ω 50 Ω fc Center frequency Maximum insertion attenuation αmax 923,10 ... 927,75 MHz Amplitude ripple (p-p) ∆α 923,10 ... 927,75 MHz Absolute attenuation α 450,00 ... 884,80 MHz 884,80 ... 903,50 MHz 903,50 ... 906,20 MHz 946,30 ... 967,70 MHz 967,70 ... 1100,00 MHz 1100,00 ... 2000,00 MHz 2000,00 ... 3000,00 MHz 3000,00 ... 3500,00 MHz 3 — 926,25 — 3,4 4,0 dB — 0,5 1,5 dB 40 35 37 25 30 30 25 20 Aug 29, 2002 45 38 40 29 43 43 33 30 — — — — — — — — — MHz dB dB dB dB dB dB dB dB SAW Components B4068 904,5 / 925,5 MHz Low-Loss Filter for Mobile Communication Data Sheet Transfer function Tx (Narrowband): Transfer function Rx (Narrowband): 4 Aug 29, 2002 SAW Components B4068 904,5 / 925,5 MHz Low-Loss Filter for Mobile Communication Data Sheet Transfer function Tx (Passband): Transfer function Rx (Passband): 5 Aug 29, 2002 SAW Components B4068 904,5 / 925,5 MHz Low-Loss Filter for Mobile Communication Data Sheet Transfer function Tx (Wideband): Transfer function Rx (Wideband): 6 Aug 29, 2002 SAW Components B4068 904,5 / 925,5 MHz Low-Loss Filter for Mobile Communication Data Sheet Isolation between Tx and Rx Operating temperature range Ant term. impedance Port 1 term. impedance Port 2 term. impedance T = ZAnt = ZPort 1 = ZPort 2 = –10 to 55 ˚C 50 Ω 50 Ω 50 Ω min. typ. max. 35 42 37 46 — — α Absolute attenuation 902,30 ... 906,65 MHz 923,10 ... 927,75 MHz Isolation between Tx and Rx: 7 Aug 29, 2002 dB dB SAW Components B4068 904,5 / 925,5 MHz Low-Loss Filter for Mobile Communication Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC WT P.O. Box 80 17 09, D-81617 München EPCOS AG 2002. All Rights Reserved. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited. The information contained in this brochure describes the type of component and shall not be considered as guaranteed characteristics. 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. 8 Aug 29, 2002