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B4908

EPCOS
Part Number B4908
Manufacturer EPCOS
Description SAW Components
Published Aug 20, 2007
Detailed Description www.DataSheet4U.com SAW Components Data Sheet B4908 SAW Components Low-Loss Filter for Mobile Communication Data Sheet...
Datasheet PDF File B4908 PDF File

B4908
B4908

Overview
www.
DataSheet4U.
com SAW Components Data Sheet B4908 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Features q Low-loss IF filter for mobile telephone, transmit q q q q B4908 158,55 MHz Ceramic package QCC8B path Low amplitude ripple Usable passbands 1,3 MHz Balanced and unbalanced operation possible Ceramic package for Surface Mounted Technology (SMT) Terminals q Ni, gold-plated Dimensions in mm, approx.
weight 0,07 g Pin configuration 2 3 6 7 4,8 1,5 Input Input Output Output Case - Ground To be grounded Type B4908 Ordering code B39161-B4908-Z810 Marking and Package according to C61157-A7-A46 Packing according to F61074-V8037-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power T Tstg VDC PIN – 40 / + 85 – 40 / + 85 0 10 ˚C ˚C V dBm source impedance 50 Ω 2 Jan 22, 2001 SAW Components Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range: Terminating source impedance: Terminating load impedance: B4908 158,55 MHz T = -40 to +85 ˚C ZS = 470 Ω || 470 nH, single ended (pin 3) ZL = 470 Ω || 680 nH, balanced min.
typ.
158,55 max.
— MHz Center frequency fc — Maximum insertion attenuation αmax 157,90 .
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159,20 MHz Amplitude ripple in passband (p-p) ∆α 157,90 .
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159,20 MHz Phase linearity deviation 157,90 .
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Attenuation 0,00 130,00 139,00 165,55 178,00 475,00 .
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130,00 139,00 151,55 178,00 475,00 1000,00 MHz MHz MHz MHz MHz MHz ∆φ 159,20 MHz αmin — 2,5 3,0 dB — 0,5 1,0 dB — 0,6 1,5 ˚rms 50 40 30 14 35 45 55 52 39 16 40 70 — — — — — — dB dB dB dB dB dB 3 Jan 22, 2001 SAW Components Low-Loss Filter for Mobile Communication Data Sheet B4908 158,55 MHz Transfer function (wideband): Transfer function (narrowband): 4 Jan 22, 2001 SAW Components Low-Loss Filter for Mobile Communication Data Sheet B4908 158,55 MHz Transfer function (passband ) : 5 Jan 22, 2001 SA...


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