SAW Components Low Loss Filter B4818 246,00 MHz Data Sheet Ceramic package QCC12B Features ● ● ● ● ● ● Low-loss IF filter for mobile telephone Channel selection in GSM, PCN, PCS systems Ceramic SMD package Balanced and unbalanced operation possible Flat group delay response High stopband attenuation Terminals ● Gold-plated Ni Dimensions in mm, approx. weight 0,2 g Pin configuration 2 1 8 7 10 3, 9 4, 6, 12 Input Input ground or balanced input Output Output ground or balanced output Expansion Coil Case – ground To be grounded Type Ordering code B4818 B39251-B4818-Z910 Marking and Package according to C61157-A7-A52 Packing according to F61074-V8038-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power T Tstg VDC Ps – 20/+ 70 – 25/+ 85 0 10 ˚C ˚C V dBm Preliminary format of data sheet Terms of delivery and rights to change design reserved Page 1 of 5 OFW E MF Oct 28, 1998 SAW Components Low Loss Filter B4818 246,00 MHz Data Sheet Characteristics T = 25 ˚C ZS = 650 Ω || -2,6 pF ZL = 650 Ω || -2,6 pF Operating temperature: Terminating source impedance: Terminating load impedance: min. Nominal frequency fN Minimum insertion attenuation excluding losses in matching circuit including losses in matching circuit Amplitude ripple (p-p) fN - 85,0 kHz ... fN + 93,0 kHz fN - 120,0 kHz ... fN + 120,0 kHz Group delay ripple (p-p) fN - 70,0 kHz ... fN + 70,0 kHz fN - 120,0 kHz ... fN + 120,0 kHz Relative attenuation (relative to αmin) fN - 100,00 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 - 0,33 MHz fN - 0,33 MHz ... fN - 0,30 MHz αmin fN + 0,30 MHz fN + 0,33 MHz fN + 0,40 MHz fN + 0,60 MHz fN + 0,80 MHz fN + 3,00 MHz ... ... ... ... ... ... — 2,0 3,0 typ. 246,00 max. — 3,0 4,0 4,0 5,0 dB dB — — 0,2 0,7 1,5 3,0 dB dB — — 0,4 0,9 1,2 2,0 µs µs ∆α ∆τ αrel 55 42 25 18 10 69 46 50 29 20 — — — — — dB dB dB dB dB 10 18 25 38 42 55 20 26 30 43 44 68 — — — — — — dB dB dB dB dB dB — — Ω || pF — 650 || 2,6 650 || 2,6 — Ω || pF TCf — – 0,036 — ppm/K2 T0 — — ˚C fN + 0,33 MHz fN + 0,40 MHz fN + 0,60 MHz fN + 0,80 MHz fN + 3,00 MHz fN + 100,00 MHz Impedance at fN Input: ZIN = RIN || CIN Output: ZOUT = ROUT || COUT Temperature coefficient of Turnover temperature 1) Temperature frequency 1) dependence of fc: MHz 20 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 5 OFW E MF Oct 28, 1998 SAW Components Low Loss Filter B4818 246,00 MHz Data Sheet Characteristics T = -20 to 70 ˚C ZS = 650 Ω || -2,6 pF ZL = 650 Ω || -2,6 pF Operating temperature: Terminating source impedance: Terminating load impedance: min. Nominal frequency fN Minimum insertion attenuation excluding losses in matching circuit including losses in matching circuit Amplitude ripple (p-p) fN - 85,0 kHz ... fN + 70,0 kHz fN - 100,0 kHz ... fN + 95,0 kHz Group delay ripple (p-p) fN - 70,0 kHz ... fN + 70,0 kHz fN - 120,0 kHz ... fN + 120,0 kHz Relative attenuation (relative to αmin) fN - 100,00 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 - 0,33 MHz fN - 0,33 MHz ... fN - 0,30 MHz αmin fN + 0,30 MHz fN + 0,33 MHz fN + 0,40 MHz fN + 0,60 MHz fN + 0,80 MHz fN + 3,00 MHz ... ... ... ... ... ... — 2,0 3,0 typ. 246,00 max. — 3,0 4,0 4,0 5,0 dB dB — — 0,2 0,7 1,5 3,0 dB dB — — 0,4 0,9 1,2 2,0 µs µs ∆α ∆τ αrel 55 42 25 16 10 69 46 50 29 20 — — — — — dB dB dB dB dB 10 18 25 38 42 55 20 26 30 43 44 68 — — — — — — dB dB dB dB dB dB — — Ω || pF — 650 || 2,6 650 || 2,6 — Ω || pF TCf — – 0,036 — ppm/K2 T0 — — ˚C fN + 0,33 MHz fN + 0,40 MHz fN + 0,60 MHz fN + 0,80 MHz fN + 3,00 MHz fN + 100,00 MHz Impedance at fN Input: ZIN = RIN || CIN Output: ZOUT = ROUT || COUT Temperature coefficient of Turnover temperature 1) Temperature frequency 1) dependence of fc: MHz 20 fc(T) = fc(T0)(1 + TCf(T – T0)2) Preliminary format of data sheet Terms of delivery and rights to change design reserved Page 3 of 5 OFW E MF Oct 28, 1998 SAW Components Low Loss Filter B4818 246,00 MHz Data Sheet Test matching network to 50 Ω (element values depend on PCB layout): Cp1 Ls2 Ls3 Cp4 Lc Preliminary format of data sheet Terms of delivery and rights to change design reserved Page 4 of 5 = = = = = 3,3 65 65 3,3 82 pF nH nH pF nH OFW E MF Oct 28, 1998 SAW Components Low Loss Filter B4818 246,00 MHz Data Sheet Transfer function: Transfer function (pass band): Preliminary format of data sheet Terms of delivery and rights to change design reserved Page 5 of 5 OFW E MF Oct 28, 1998