SAW Components Low-Loss Filter B4811 188,0 MHz Data Sheet SMD ceramic package QCC10B Features ● Low-loss IF filter for mobile telephone ● Channel selection in GSM, PCN systems ● Ceramic SMD package Terminals ● Gold-plated Ni Dimensions in mm, approx. weight 0,23 g Pin configuration 9,10 4,5 7 1,3,6,8 2 Type B4811 Input, balanced or unbalanced Output, balanced or unbalanced External Coil Case - Ground Not connected Ordering code Marking and Package Packing B39191-B4811-Z710 according to C61157-A7-A49 according to F61064-V8035-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power T Tstg VDC Ps – 25 /+75 – 40/+ 85 0 10 ˚C ˚C V dBm Preliminary format of data sheet Terms of delivery and rights to change design reserved. Page 1 of 3 source impedance 50 Ω OFW EM EU Nov. 18, 1998 SAW Components Low-Loss Filter B4811 188,0 MHz Data Sheet Characteristics T ZS ZL LC Operating temperature range: Terminating source impedance: Terminating load impedance: External coil = -25 ˚C to + 75 ˚C = 580 Ω || 210 nH = 820 Ω || 255 nH = 120 nH min. Center frequency (center frequency between 3 dB points) fc Minimum insertion attenuation (including matching network) αmin Variation in insertion loss ∆αmin Amplitude ripple in passband (p-p) fc -60,0 kHz .. fc+60,0 kHz fc -80,0 kHz .. fc+80,0 kHz ∆α Group delay at fc τ Group delay ripple (p-p) fc -80,0 kHz .. fc+80,0 kHz ∆τ Relative attenuation (relative to αmin) fc ± 200 kHz ... fc ± 300 kHz fc ± 300 kHz ... fc ± 400 kHz fc ± 400 kHz ... fc ± 600 kHz fc ± 600 kHz ... fc ± 1,6 MHz fc ± 1,6 MHz ... fc ± 3,0 MHz fc ± 3,0 MHz ... fc± 75,0 MHz fc - 12,0 MHz αrel Impedance at 188,0 MHz Input: ZIN = RIN || CIN Output: ZOUT = ROUT || COUT — 3,5 5,0 6,5 dB — 1,0 3,0 dB — — 1,0 1,5 2,0 3,0 dB dB 3,0 4,0 5,0 µs — 1,0 1,5 µs 6,5 18 30 35 36 42 50 8 25 40 48 50 50 55 — — — — — — — dB dB dB dB dB dB dB — 580 ||3,4 820 ||2,8 — Ω || pF — — Ω || pF – 0,036 — ppm/K2 — ˚C TCf — Turnover temperature T0 — dependance of fc: max. 188,0 Temperature coefficient of frequency 1) 1) Temperature typ. — 20 MHz fc(T) = fc(T0)(1 + TCf(T – T0)2) Preliminary format of data sheet Terms of delivery and rights to change design reserved. Page 2 of 3 OFW EM EU Nov. 18, 1998 SAW Components Low-Loss Filter B4811 188,0 MHz Data Sheet Test matching network to 50 Ω (element values depend on pcb layout) Cp1 = 12,0 pF Cp4 = 10,0 pF Ls2 = Ls3 = 82 nH Lc = 120nH Transfer function Preliminary format of data sheet Terms of delivery and rights to change design reserved. Page 3 of 3 OFW EM EU Nov. 18, 1998