SAW Components Data Sheet B4955 SAW Components B4955 183,6 MHz Low-Loss Filter for Mobile Communication Data Sheet SMD ceramic package QCC12C Features 10 Terminals 4 5 111 000 000 111 000 111 000 000 111 000 111 00111 11 000 111 111 000 00 11 000 111 000 111 00 11 000 111 000 11 111 00 9 8 7 2,54 1,0 111 000 000 111 000 111 000 111 bottom view 6 12 111 000 000 111 000 111 000 111 1 2 3 000 11 111 00 000 111 000 111 11 00 000 111 000 111 00 11 000 111 000 000 11 111 00111 000 111 000 111 000 111 000 111 000 111 000 111 11 1,4 2,54 IF filter for mobile telephone Channel selection in CDMA systems Balanced or unbalanced High rejection, very small size Low amplitude ripple Package for Surface Mounted Technology (SMT) Filter surface passivated 0,6 1,48 ■ ■ ■ ■ ■ ■ ■ 111 000 000 111 000 111 000 111 000 111 000 111 000 111 000 111 000 111 111 111 111 000 000 000 111 111 111 000 000 000 side view 5,0 ■ Ni, gold plated top view 7,0 Dimensions in mm, approx. weight 0,25 g Pin configuration 12 10 6 4 1, 2, 3, 7, 8, 9 Input Balanced input or ground Output Balanced output or ground To be grounded 12 4 10 6 2,8 Type Ordering code Marking and Package Packing B4955 B39181-B4955-H310 according to C61157-A7-A95 according to F61074-V8170-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power T Tstg VDC Ps – 40/+ 85 – 40/+ 85 0 10 2 ˚C ˚C V dBm Jun 12, 2003 SAW Components B4955 183,6 MHz Low-Loss Filter for Mobile Communication Data Sheet Characteristics T = –30˚C .. +85 ˚C ZS = 300Ω || 44nH ZL = 675Ω || 54nH Specified temperature range: Terminating source impedance: Terminating load impedance: min. typ. max. — Nominal frequency fN — 183,6 Minimum insertion attenuation αmin — 8,1 9,5 dB — 0,6 1,2 dB — 1,3 2,8 ˚ — 4,0 5,5 dB MHz (including loss in matching network without loss in balun) Amplitude ripple fN – 0,3 MHz ∆α ... fN + 0,3 MHz Phase linearity (rms deviation) fN – 0,615MHz ... fN + 0,615 MHz Relative attenuation (relative to αmin) fN ± 0,615MHz fN – 0,9 MHz fN + 0,9 MHz fN – 1,25 MHz fN + 1,25 MHz fN – 1,7 MHz fN + 1,7 MHz fN ± 2,05 MHz fN – 9,0 MHz fN + 1,25 MHz ... ... αrel 33 33 33 33 33 33 33 33 33 fN – 1,25 MHz fN + 9,0 MHz 3 Jun 12, 2003 39 45 44 39 37 43 42 35 37 — — — — — — — — — dB dB dB dB dB dB dB dB dB SAW Components B4955 183,6 MHz Low-Loss Filter for Mobile Communication Data Sheet Normalized transfer function (measurement): Normalized transfer function (measurement, passband): 4 Jun 12, 2003 SAW Components B4955 183,6 MHz Low-Loss Filter for Mobile Communication Data Sheet Test matching network (Element values depend on pcb layout) 50 Ω 10 15 pF 15 pF 6 33 nH Q=55 50 Ω 6.8 pF 39 nH Q=55 6.8 pF 4 12 4:1 1:4 pins 2,8 GND balanced input: pins 10,12 balanced output: pins 4,6 to be grounded: 1,3,7,9 Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC WT P.O. Box 80 17 09, 81617 Munich, GERMANY EPCOS AG 2003. 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. 5 Jun 12, 2003