SAW Components Data Sheet B3815 SAW Components B3815 Low-Loss Filter 385,0 MHz Data Sheet Ceramic package QCC8B Features Low-loss filter for Trunked Radio Usable bandwidth 10 MHz No matching required for operation at 50 Ω Unbalanced to unbalanced or unbalanced to balanced operation ● Package for Surface Mounted Technology (SMT) ● Hermetically sealed ceramic package ● ● ● ● Terminals ● Gold-plated typ. Dimensions in mm, approx. weight 0,07 g Pin configuration 5 1 2 3, 6, 7 4, 8 Type B3815 Input Output / Output balanced Output ground / Output balanced Ground Input ground / Case ground Ordering code B39391-B3815-Z810 Marking and Package Packing according to according to C61157-A7-A46 F61074-V8037-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage ESD voltage Source power TA Tstg VDC VESD Ps -30 / +70 -40 / +85 0 100 15 2 ˚C ˚C V V dBm source impedance 50 Ω May 15, 2002 SAW Components B3815 Low-Loss Filter 385,0 MHz Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: TA = +15 ... +35 ˚C ZS = 50 Ω unbalanced or unbalanced to balanced ZL = 50 Ω unbalanced or unbalanced to balanced Nominal frequency fN Maximum insertion attenuation 380,0 MHz ... 390,0 MHz αmax Amplitude ripple (p-p) 380,0 MHz ... 390,0 MHz ∆α Return loss (Input and Output) 380,0 MHz ... 390,0 MHz min. typ. max. — 385,0 — — 2,4 3,5 dB — 0,5 1,5 dB 10,0 12,0 — MHz dB VSWR 380,0 MHz ... 390,0 MHz — 1,7:1 2,0:1 αabs Absolute attenuation 0,1 MHz ... 350,0 MHz 350,0 MHz ... 370,0 MHz 400,0 MHz ... 430,0 MHz 430,0 MHz ... 760,0 MHz 760,0 MHz ... 1496,0 MHz 1496,0 MHz ... 2600,0 MHz 2600,0 MHz ... 4000,0 MHz 40 13 10 44 30 20 5 50 35 20 54 35 25 6 — — — — — — — dB dB dB dB dB dB dB Symmetry in band |S31|/|S21| 380,0 ... 390,0 MHz arg(S31/S21) 380,0 ... 390,0 MHz -0,5 TCf Temperature coefficient of frequency 3 0,5 1,5 170 180 190 — – 70 — May 15, 2002 dB ˚ ppm/K SAW Components B3815 Low-Loss Filter 385,0 MHz Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: TA = -30 ... +70 ˚C ZS = 50 Ω unbalanced or unbalanced to balanced ZL = 50 Ω unbalanced or unbalanced to balanced Nominal frequency fN Maximum insertion attenuation 380,0 MHz ... 390,0 MHz αmax Amplitude ripple (p-p) 380,0 MHz ... 390,0 MHz ∆α Return loss (Input and Output) 380,0 MHz ... 390,0 MHz min. typ. max. — 385,0 — — 2,6 4,0 dB — 0,7 2,0 dB 10,0 12,0 — MHz dB VSWR 380,0 MHz ... 390,0 MHz — 1,8:1 2,0:1 αabs Absolute attenuation 0,1 MHz ... 350,0 MHz 350,0 MHz ... 370,0 MHz 400,0 MHz ... 430,0 MHz 430,0 MHz ... 760,0 MHz 760,0 MHz ... 1496,0 MHz 1496,0 MHz ... 2600,0 MHz 2600,0 MHz ... 4000,0 MHz 40 13 10 44 30 20 5 50 25 17 52 35 25 6 — — — — — — — dB dB dB dB dB dB dB Symmetry in band |S31|/|S21| 380,0 ... 390,0 MHz arg(S31/S21) 380,0 ... 390,0 MHz -0,5 TCf Temperature coefficient of frequency 4 0,5 1,5 170 180 190 — – 70 — May 15, 2002 dB ˚ ppm/K SAW Components B3815 Low-Loss Filter 385,0 MHz Data Sheet Transfer function Normalized transfer function (pass band; +15 ˚C ... +35 ˚C) 5 May 15, 2002 SAW Components B3815 Low-Loss Filter 385,0 MHz Data Sheet Amplitude symmetry |S31|/|S21| Phase symmetry arg(S31/S21) - 180˚ 6 May 15, 2002 SAW Components B3815 Low-Loss Filter 385,0 MHz Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS 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 May 15, 2002