SAW Components
SAW IF filter
GSM
Series/type: Ordering code: Date: Version:
B3893 B39251B3893H310 February 28, 2008 2.0
© EPCOS AG 2008. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the information contained therein without EPCOS’ prior express consent is prohibited.
SAW Components SAW IF filter Data sheet
Revision History: Changes compared to previous iteration issue ISSUE B3893 2.0 T. Gaertner pass band width changed from 240 kHz to 704 kHz ORIGINATOR DETAIL SPEC CHANGES
B3893 248.6 MHz
DATE
28.02.2008
Please read cautions and warnings and important notes at the end of this document.
2
February 28, 2008
SAW Components SAW IF filter Data sheet
Application
s Low-loss IF filter for GSM base station s Clean-up filter s Ceramic SMD package
B3893 248.6 MHz
Features
s s s s s s s s
Package size 7.0 x 5.0 x 1.33 mm3 Package code QCC12C RoHS compatible Approximate weight 0.25 g Package for Surface Mount Technology (SMT) Ni, gold-plated terminals Electrostatic Sensitive Device (ESD) Filter surface passivated
Pin configuration
s s s s s
12 2 4, 6 1, 7, 8, 10 3, 9
Input Input ground Balanced output To be grounded Case ground
12
4
2
6
3,9
Please read cautions and warnings and important notes at the end of this document.
3
February 28, 2008
SAW Components SAW IF filter Data sheet
Characteristics Temperature range for specification: Terminating source impedance: Termnating load impedance: T = –20 ˚C to +85 ˚C ZS = 50 Ω ZL = 200 Ω min. Nominal frequency Minimum insertion attenuation Passband width αrel ≤ 3.0 dB Amplitude ripple (p-p) fN ± 352.0 kHz Group delay ripple (p-p) fN ± 352.0 kHz Relative attenuation (relative to αmin) 10.0 MHz ... fN – 29.2 MHz @ fN + 22.80 MHz @ fN + 52.00 MHz @ fN + 74.80 MHz @ fN + 104.0 MHz @ fN + 126.8 MHz Temperature coefficient of frequency αrel 45 45 45 45 45 45 TCf — 70 60 70 70 55 70 –36 — — — — — — — ∆τ — 30 100 B3.0dB ∆α — 0.2 0.5 5.0 7.2 — fN αmin — — typ. 248.6 1.3 max. — 3.5
B3893 248.6 MHz
MHz dB
MHz
dB
ns
dB dB dB dB dB dB ppm/K
Maximum ratings Operable temperature range T Storage temperature range Tstg DC voltage VDC Input Power Input Power PIN PIN –40/+85 –40/+85 0 10 20 ˚C ˚C V dBm dBm t
很抱歉,暂时无法提供与“B3893”相匹配的价格&库存,您可以联系我们找货
免费人工找货