SAW Components Data Sheet B7304 SAW Components B7304 225,0 MHz Low-Loss Filter for Mobile Communication Data Sheet Chip Sized SAW Package DCS8A Features 1 2 3 4 8 7 6 5 1,3 Low-loss IF filter for mobile telephone Channel selection in GSM, PCN, PCS systems Chip Sized SAW Package expansion coil for minimum insertion attenuation and optimum bandwidth adjustment 0,8 bottom view 0,5 1,2+0,15 ● ● ● ● 1,27 1,27 1,27 side view 5,0+0,1 3,0+0,1 Terminals ● Gold-plated Ni top view Dimensions in mm, approx. weight 0,05 g Pin configuration 1, 2 Input balanced 5, 6 3, 4, 7 8 Output balanced Ground Expansion coil Type Ordering code B7304 B39231-B7304-A910 Marking and Package according to C61157-A7-A65 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power TA Tstg VDC Ps – 25/+ 80 – 40/+ 85 3 10 2 ˚C ˚C V dBm Dec 19, 2001 Packing according to F61074-V8102-Z000 SAW Components B7304 225,0 MHz Low-Loss Filter for Mobile Communication Data Sheet Characteristics T = -25 ˚C ... +80 ˚C ZS = 1000 Ω || -1,2 pF ZL = 1000 Ω || -1,2 pF Operating temperature range: Terminating source impedance: Terminating load impedance: min. typ. max. Nominal frequency fN — 225,00 — Maximum insertion attenuation (Including losses in matching circuit) Amplitude ripple (p-p) fN - 65.0 kHz ... fN + 65.0 kHz fN - 70.0 kHz ... fN + 70.0 kHz Group delay ripple (p-p) fN - 70.0 kHz ... fN + 70.0 kHz Relative attenuation (relative to αmax) fN - 25,00 MHz ... fN - 3,00 MHz fN - 3,00 MHz ... fN - 1,60 MHz fN - 1,60 MHz ... fN - 0,60 MHz fN - 0,60 MHz ... fN - 0,40 MHz fN - 0,40 MHz ... fN - 0,23 MHz αmax — 5,5 6,5 dB — — 0,3 0,4 2,0 3,0 dB dB — 0,8 2,5 µs 45 43 38 27 8 66 64 49 33 16 — — — — — dB dB dB dB dB 8 27 38 43 45 14 30 43 60 53 — — — — — dB dB dB dB dB — — Ω || pF — 1000 || 1,2 1000 || 1,2 — Ω || pF TCf — -0,039 — ppm/K2 T0 — 25 — ˚C fN + 0,23 MHz fN + 0,40 MHz fN + 0,60 MHz fN + 1,60 MHz fN + 3,00 MHz ... ... ... ... ... ∆α ∆τ αrel fN + 0,40 MHz fN + 0,60 MHz fN + 1,60 MHz fN + 3,00 MHz fN + 25,00 MHz Impedance within pass band Input: ZIN = RIN || CIN Output: ZOUT = ROUT || COUT Temperature coefficient of frequency 1) Frequency inversion point 1) Temperature dependence of fc: MHz fc(T) = fc(T0)(1 + TCf(T – T0)2 3 Dec 19, 2001 SAW Components B7304 225,0 MHz Low-Loss Filter for Mobile Communication Data Sheet Test matching network to 50Ω, low pass example (actual element values depend on PCB layout. S-parameters of transformers TOKO B5FL available on request): Lc = 82 nH || 1,8 pF Cp1 = Cp4 = 2,2 pF Ls2 = Ls3 = 39 nH 4 Dec 19, 2001 SAW Components B7304 225,0 MHz Low-Loss Filter for Mobile Communication Data Sheet Transfer function (pass band): Transfer function (wide band): 5 Dec 19, 2001 SAW Components B7304 225,0 MHz Low-Loss Filter for Mobile Communication Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC WT PD P.O. Box 80 17 09, D-81617 München EPCOS AG 2001. 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. 6 Dec 19, 2001