SAW Components Data Sheet B7840 SAW Components B7840 Low-Loss Filter 1575,42 MHz Data Sheet Chip Sized SAW Package Features 0.735 0,075 0,38 side view top view 4 Terminals ● Ni, gold-plated 0,44 5 bottom view 0,68 3 1 0,075 2 1,4 Low loss RF filter for GPS receivers Unbalanced to balanced operation Low amplitude ripple Impedance transformation from 50 Ω to 100 Ω ● Package for Surface Mounted Technology (SMT) ● ● ● ● 2,0 Dimensions 2,0x1,4 mm2, approx. weight 0,007 g Pin configuration 1 3, 4 2, 5 Input, unbalanced Output, balanced Case ground Type Ordering code Marking and Package Packing according to according to B7840 B39162-B7840-C710 C61157-A7-A82 F61074-V8151-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range T Storage temperature range Tstg DC voltage VDC Source power Ps source 50 Ω, load 100 Ω – 40/+ 85 – 40/+ 85 3 10 5 2 ˚C ˚C V dBm 824...1525, 1710...2500 MHz elsewhere Apr 25, 2003 SAW Components B7840 Low-Loss Filter 1575,42 MHz Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: TA = -30 ... +85 ˚C ZS = 50 Ω unbal. ZL = 100 Ω bal. fN Nominal frequency min. typ. max. — 1575,42 — MHz Maximum insertion attenuation αmax 1574,42MHz ... 1576,42MHz*) 1574,42MHz ... 1576,42 MHz — — 1,2 1,2 1,6 1,7 dB dB Amplitude ripple in passband (p-p) ∆α 1574,42MHz ... 1576,42 MHz — 0,1 0,3 dB Output phase balance (φ(S31)−φ(S21)+180˚) 1574,42MHz ... 1576,42 MHz -10 Output amplitude balance (|S31/S21|) 1574,42MHz ... 1576,42 MHz -1,0 6 0,2 10 1,0 ˚ dB Return loss 1574,42 ...1576,42 MHz 11,0 1574,42 ...1576,42 MHz — 21 — dB VSWR Absolute attenuation 100,0 MHz ... 960,0 MHz ... 1425,0 MHz ... 1475,0 MHz ... 1515,0 MHz ... 1625,0 MHz ... 1635,0 MHz ... 1675,0 MHz ... 1750,0 MHz ... 1805,0 MHz ... 1980,0 MHz ... 2400,0 MHz ... 3155,0 MHz ... 1,2 1,8 αrel 960,0 MHz 1425,0 MHz 1475,0 MHz 1515,0 MHz 1525,0 MHz 1635,0 MHz 1675,0 MHz 1750,0 MHz 1805,0 MHz 1980,0 MHz 2400,0 MHz 3155,0 MHz 6000,0 MHz 40 35 30 20 17 12 20 30 35 40 35 40 35 *) TA= +25 ˚C 3 Apr 25, 2003 48 42 42 32 27 30 30 34 44 47 39 52 44 — — — — — — — — — — — — — dB dB dB dB dB dB dB dB dB dB dB dB dB SAW Components B7840 Low-Loss Filter 1575,42 MHz Data Sheet Transfer function 4 Apr 25, 2003 SAW Components B7840 Low-Loss Filter 1575,42 MHz Data Sheet Published by EPCOS AG SAW MC WT, P.O. Box 80 17 09, 81617 Munich, GERMANY TEL ++49 89 636 09, FAX ++49 89 636 2 26 89 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. 5 Apr 25, 2003