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B3550 Dataheets PDF



Part Number B3550
Manufacturers EPCOS
Logo EPCOS
Description SAW Components Low-loss Filter
Datasheet B3550 DatasheetB3550 Datasheet (PDF)

SAW Components Data Sheet B3550 SAW Components Low-loss Filter Data Sheet B3550 433,92 MHz Ceramic package QCC8C Features s RF low-loss filter for remote control receivers s Package for Surface Mounted Technology (SMT) s Balanced and unbalanced operation possible Terminals s Ni, gold plated typ. dimensions in mm, approx. weight 0,1 g Pin configuration 1 2 5 6 4,8 3,7 Input Ground Input Output Output Ground Case - Ground to be grounded Type B3550 Ordering code B39431-B3550-U310 Marking .

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SAW Components Data Sheet B3550 SAW Components Low-loss Filter Data Sheet B3550 433,92 MHz Ceramic package QCC8C Features s RF low-loss filter for remote control receivers s Package for Surface Mounted Technology (SMT) s Balanced and unbalanced operation possible Terminals s Ni, gold plated typ. dimensions in mm, approx. weight 0,1 g Pin configuration 1 2 5 6 4,8 3,7 Input Ground Input Output Output Ground Case - Ground to be grounded Type B3550 Ordering code B39431-B3550-U310 Marking and package according to C61157-A7-A56 Packing according to F61074-V8070-Z000 Electrostactic Sensitive Device (ESD) Maximum ratings Operable temperature range TA Storage temperature range DC voltage Source power –45/+120 –45/+120 0 10 ˚C ˚C V dBm Tstg VDC PS source impedance 50 Ω 2 May 09, 2001 SAW Components Low-loss Filter Data Sheet Characteristics Reference temperature: Terminating source impedance: Terminating load impedance: B3550 433,92 MHz TA = 25 ˚C ZS = 50 Ω and matching network t. b. d. ZL = 50 Ω and matching network t. b. d. min. typ. 433,96 max. — MHz Center frequency (center frequency between 3 dB points) fC — Minimum insertion attenuation αmin 433,80 ... 434,12 MHz Pass band (relative to αmin) 433,76 ... 434,16 MHz 433,74 ... 434,18 MHz 433,68 ... 434,24 MHz Relative attenuation (relative to αmin) 10,00 ... 414,00 414,00 ... 428,00 428,00 ... 432,92 434,92 ... 442,00 442,00 ... 550,00 550,00 ...1000,00 αrel MHz MHz MHz MHz MHz MHz — 2,0 3,5 dB — — — 1,0 1,0 1,5 2,0 3,0 6,0 dB dB dB 45 40 15 10 35 45 50 45 20 15 40 50 — — — — — — dB dB dB dB dB dB Impedance for pass band matching 2) Input: ZIN = RIN || CIN Output: ZOUT = ROUT || COUT Temperature coefficient of frequency 1) Frequency inversion point 1)Temperature 2) — — 270 || 2,67 250 || 3,20 –0,03 — — — — 30 Ω || pF Ω || pF ppm/K2 °C TCf T0 — 10 dependence of fC: fC(TA) = fC(T0) (1 + TCf(TA – T0)2) Impedance for passband matching bases on an ideal, perfect matching of the SAW filter to source- and to load impedance (here 50 Ohm). After the SAW filter is removed and input impedance into the input matching / output matching network is calculated. The conjugate complex value of these characteristic impedances are the input and output impedances for flat passband. For more details, we refer to EPCOS application note #4. 3 May 09, 2001 SAW Components Low-loss Filter Data Sheet Characteristics Reference temperature: Terminating source impedance: Terminating load impedance: B3550 433,92 MHz TA = –45 ... 95˚C ZS = 50 Ω and matching network ZL = 50 Ω and matching network min. typ. 433,92 max. — MHz Center frequency (center frequency between 3 dB points) fC — Minimum insertion attenuation αmin 433,80 ... 434,12 MHz Pass band (relative to αmin) 433,76 ... 434,08 MHz 433,74 ... 434,10 MHz 433,68 ... 434,16 MHz Pass bandwidth αrel≤ 3 dB Relative attenuation (relative to αmin) 10,00 ... 414,00 414,00 ... 428,00 428,00 ... 432,84 434,92 ... 442,00 442,00 ... 550,.


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