Tx IF Filters for Cellular Phones Series/Type: B4953 The following products presented in this data sheet are being withdrawn. Ordering Code B39381B4953U810 Substitute Product Date of Withdrawal 2004-05-19 Deadline Last Orders 2004-09-30 Last Shipments 2004-12-31 For further information please contact your nearest EPCOS sales office, which will also support you in selecting a suitable substitute. The addresses of our worldwide sales network are presented at www.epcos.com/sales. The following products presented in this data sheet are being withdrawn: B39381B4953U810 Date of withdrawal: Deadline for last orders: Last shipments: 19−MAY−04 30−SEP−04 31−DEC−04 For further information please contact your nearest EPCOS sales office, which will also support you in selecting a suitable substitute. The addresses of the sales offices are given on the Internet at www.epcos.com/sales. 1 SAW Components Data Sheet B4953 SAW Components B4953 Low-Loss Filter for Mobile Communication 380,00 MHz Data Sheet Ceramic package QCC8D Features ■ Low-loss IF filter for mobile telephone, transmit path ■ Balanced to balanced operation ■ No matching network necessary for operation with 200 Ω input and output impedance ■ Ceramic Package for Surface Mounted Technology (SMT) Terminals ■ Gold-plated Ni Dimensions in mm, approx. weight 0,037 g Pin configuration 1, 3 5, 7 2, 6 4, 8 Type B4953 Input, balanced Output, balanced To be grounded Case ground Ordering code Marking and Package Packing B39381-B4953-U810 according to C61157-A7-A72 according to F61074-V8101-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Input power max. T Tstg VDC PIN – 20 / + 75 – 30 / + 85 0 0 2 ˚C ˚C V dBm 24 May 2002 SAW Components B4953 Low-Loss Filter for Mobile Communication 380,00 MHz Data Sheet Characteristics T = 25˚C ZS = 200 Ω ZL = 200 Ω Operating temperature range: Terminating source impedance: Terminating load impedance: min. typ. max. — 380,0 — MHz Maximum insertion attenuation αmax 378,08 ... 381,92 MHz — 1,8 2,0 dB Amplitude ripple (p-p) ∆α 378,08 ... 381,92 MHz — 0,4 0,7 dB Root mean square of phase delay variation 378,08 ... 381,92 MHz — 1,0 fc Center frequency rms 1,5 degree α Attenuation 50,00 330,00 360,00 390,00 400,00 405,00 420,00 ... ... ... ... ... ... ... 330,00 360,00 370,00 400,00 405,00 420,00 800,00 MHz MHz MHz MHz MHz MHz MHz 50 40 30 14 30 33 40 58 45 35 17 33 36 47 — — — — — — — dB dB dB dB dB dB dB Input and output return loss 378,08 ... 381,92 MHz 10 12 — dB 3 24 May 2002 SAW Components B4953 Low-Loss Filter for Mobile Communication 380,00 MHz Data Sheet Characteristics T = -20 to +75˚C ZS = 200 Ω ZL = 200 Ω Operating temperature range: Terminating source impedance: Terminating load impedance: min. typ. max. — 380,0 — MHz Maximum insertion attenuation αmax 378,08 ... 381,92 MHz — 1,9 2,2 dB Amplitude ripple (p-p) ∆α 378,08 ... 381,92 MHz — 0,5 0,9 dB Root mean square of phase delay variation 378,08 ... 381,92 MHz — 2,0 fc Center frequency rms 2,5 degree α Attenuation 50,00 330,00 360,00 390,00 400,00 405,00 420,00 ... ... ... ... ... ... ... 330,00 360,00 370,00 400,00 405,00 420,00 800,00 MHz MHz MHz MHz MHz MHz MHz 50 40 30 14 30 33 40 58 45 35 17 33 36 47 — — — — — — — dB dB dB dB dB dB dB Input and output return loss 378,08 ... 381,92 MHz 10 12 — dB 4 24 May 2002 SAW Components B4953 Low-Loss Filter for Mobile Communication 380,00 MHz Data Sheet Transfer function (pass band) Transfer function (narrow band) 5 24 May 2002 SAW Components B4953 Low-Loss Filter for Mobile Communication 380,00 MHz Data Sheet Transfer function (wide band) 6 24 May 2002 SAW Components B4953 Low-Loss Filter for Mobile Communication 380,00 MHz Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC WT P.O. Box 80 17 09, 81617 Munich, GERMANY EPCOS AG 2002. 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. 7 24 May 2002