SAW Components
Data Sheet B3894
SAW Components Low Loss Filter for Mobile Communication Data Sheet
Features IF filter for mobile telephone Channel selection in CDMA systems Low insertion attenuation Extremely high rejection Single-ended/single-ended, balanced/single-ended and balanced/balanced operation possible s Optimized for single-ended/balanced operation s Very small size s Package for Surface Mounted Technology (SMT)
s s s s s
B3894 210,00 MHz
Ceramic package QCC8C
Terminals
s Ni, gold plated
Dimensions in mm,approx. weight 0,07 g Pin configuration 2 1+3 6 5 7 4, 8 Input Input ground or balanced input Output Output ground or balanced output to be grounded Case ground
Device is reciprocal, i.e. inputs can be used as outputs and vice versa Type B3894 Ordering code B39211-B3894-U310 Marking and Package according to C61157-A7-A56 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power Packing according to F61074-V8169-Z000
T Tstg VDC Ps
– 30/+ 85 – 40/+ 85 0 10
˚C ˚C V dBm
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SAW Components Low Loss Filter for Mobile Communication Data Sheet
Characteristics single-ended/balanced Operating temperature: Terminating source impedance: Terminating load impedance:
B3894 210,00 MHz
T = -30 ˚C ... +80 ˚C ZS = 1000 Ω || 70 nH ZL = 400 Ω || 60 nH
min. typ. 210,00 8,5 max. — 10,0 MHz dB
Nominal frequency Insertion attenuation at fN (including loss in matching network without loss in baluns) Amplitude ripple (p-p) fN – 0,30 ... fN + 0,30 Phase linearity (rms deviation)
fN
αfN
— —
∆α MHz ∆φ — 0,6 1,2 dB
fN – 0,63 ... fN + 0,63
Relative attenuation (relative to αfN) fN – 0,63 ... fN + 0,63
MHz αrel MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz
—
2,5
3,5
˚
— 60,0 50,0 40,0 35,0 37,0 37,0 35,0 40,0 50,0 60,0
3,5 80,0 65,0 55,0 38,0 41,0 41,0 41,0 55,0 60,0 70,0 –0,036 30
5,0 — — — — — — — — — — — —
dB dB dB dB dB dB dB dB dB dB dB ppm/K2 ˚C
fN – 100,0 fN – 50,0 fN – 30,0 fN – 10,0
... ... ... ...
fN + 1,25 fN + 10,0 fN + 30,0 fN + 50,0
... ... ... ...
fN – 50,0 fN – 30,0 fN – 10,0 fN – 1,25 fN – 1,25 fN + 1,25 fN + 10,0 fN + 30,0 fN + 50,0 fN+100,0
Temperature coefficient of frequency 1) Frequency inversion point
TCf T0
— —
1) Temperature
dependence of fc:
fc(T) = fc(T0)(1 + TCf(T – T0)2)
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Apr 05, 2004
SAW Components Low Loss Filter for Mobile Communication Data Sheet
Transfer function (passband, single-ended/balanced):
B3894 210,00 MHz
Transfer function (narrowband, single-ended/balanced):
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Apr 05, 2004
SAW Components Low Loss Filter for Mobile Communication Data Sheet
Transfer function (wideband, single-ended/balanced):
B3894 210,00 MHz
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Apr 05, 2004
SAW Components Low Loss Filter for Mobile Communication Data Sheet
B3894 210,00 MHz
Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC IS P.O. Box 80 17 09, 81617 Munich, GERMANY © EPCOS AG 2004. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices.
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