SAW Components Data Sheet B4935 SAW Components B4935 220,38 MHz Low Loss Filter for Mobile Communication Data Sheet Features Ceramic package QCC8C IF filter for mobile telephone Channel selection in CDMA systems, Korean PCS Low insertion attenuation Extremely high rejection Single-ended/single-ended, balanced/single-ended and balanced/balanced operation possible ■ Optimized for single-ended/balanced operation ■ Very small size ■ Package for Surface Mounted Technology (SMT) ■ ■ ■ ■ ■ Terminals ■ Ni, gold plated Dimensions in mm,approx. weight 0,07 g Pin configuration 2 1+3 6 5 7 4, 8 Input Input ground or balanced input Output Output ground or balanced output to be grounded Case ground Device is reciprocal, i.e. inputs can be used as outputs and vice versa Type B4935 Ordering code B39221-B4935-U310 Marking and Package Packing according to according to C61157-A7-A53 F61074-V8070-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power T Tstg VDC Ps – 30/+ 85 – 40/+ 85 13 10 2 ˚C ˚C V dBm Sep 23, 2002 SAW Components B4935 220,38 MHz Low Loss Filter for Mobile Communication Data Sheet Characteristics single-ended/balanced T = -30 ˚C to +80 ˚C ZS = 1050 Ω || 63 nH ZL = 610 Ω || 60 nH Operating temperature: Terminating source impedance: Terminating load impedance: min. typ. max. — Nominal frequency fN — 220,38 Insertion attenuation at fN (including loss in matching network without loss in baluns) αfN — 8,2 Amplitude ripple (p-p) fN – 0,30 ... fN + 0,30 ∆α MHz 05 9,5 dB 1,2 dB ∆φ Phase linearity (rms deviation) fN – 0,63 ... fN + 0,63 MHz Relative attenuation (relative to αfN) fN – 0,63 ... fN + 0,63 fN – 100,0 fN – 50,0 fN – 30,0 fN – 10,0 ... ... ... ... fN + 1,25 fN + 10,0 fN + 30,0 fN + 50,0 ... ... ... ... fN – 50,0 fN – 30,0 fN – 10,0 fN – 1,25 fN – 1,25 fN + 1,25 fN + 10,0 fN + 30,0 fN + 50,0 fN+100,0 — 2,3 3,2 ˚ MHz — 2,2 4,0 dB MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz 60,0 50,0 40,0 35,0 αrel Temperature coefficient of frequency 1) Frequency inversion point 1) Temperature — MHz dependence of fc: 35,0 40,0 50,0 60,0 TCf — T0 — fc(T) = fc(T0)(1 + TCf(T – T0)2) 3 Sep 23, 2002 73,0 70,0 62,0 39,0 45,0 45,0 41,0 62,0 70,0 73,0 — — — — — — — — — — dB dB dB dB dB dB dB dB dB dB –0,036 — ppm/K2 — ˚C 30 SAW Components B4935 220,38 MHz Low Loss Filter for Mobile Communication Data Sheet Transfer function (passband, single-ended/balanced): Transfer function (narrowband, single-ended/balanced): 4 Sep 23, 2002 SAW Components B4935 220,38 MHz Low Loss Filter for Mobile Communication Data Sheet Transfer function (wideband, single-ended/balanced): 5 Sep 23, 2002 SAW Components B4935 220,38 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. 6 Sep 23, 2002