B4812

www.DataSheet4U.com SAW Components Data Sheet B4812 SAW Components Low-Loss Filter Data Sheet B4812 246,01 MHz Ceramic package QCC10B Features q q q q Low-loss IF filter for mobile telephone Channel selection in GSM systems Hermetically sealed ceramic SMD package Balanced and unbalanced operation possible Terminals q Gold-plated Ni Dimensions in mm, approx. weight 0,23 g Pin configuration 4 5 9 10 1, 3, 6, 8 2, 7 Input Input ground or balanced input Output Output ground or balanced output Case – ground Ground Type B4812 Ordering code B39251-B4812-Z710 Marking and Package according to C61157-A7-A49 Packing according to F61074-V8127-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power T Tstg VDC Ps – 25/+ 85 – 25/+ 85 0 10 ˚C ˚C V dBm 2 Jul 11, 2003 SAW Components Low-Loss Filter Data Sheet Characteristics Reference temperature: Terminating source impedance: Terminating load impedance: B4812 246,01 MHz T = 25 ˚C ZS = 700 Ohm || -2,6 pF ZL = 700 Ohm || -2,6 pF min. typ. 246,01 3,2 max. — 5,0 MHz dB Nominal frequency Minimum insertion attenuation (including loss in matching coils) Amplitude ripple (p-p) fN - 67,5 kHz ... fN + 67,5 kHz fN - 80,0 kHz ... fN + 80,0 kHz Group delay ripple (p-p) fN - 50,0 kHz ... fN + 50,0 kHz fN - 80,0 kHz ... fN + 80,0 kHz Relative attenuation (relative to αmin) fN - 25,00 MHz ... fN - 3,00 MHz fN - 3,00 MHz ... fN - 1,60 MHz fN - 1,60 MHz ... fN ...