SAW Components
Data Sheet B4847
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
B4847 360,00 MHz
SMD ceramic package QCC8C
Features
q q q q q
Low-loss IF filter for mobile telephone Channel selection in GSM, PCN systems Ceramic SMD package Very small size High close in selectivity
Terminals
q Gold-plated Ni
Dimensions in mm, approx. weight 0,10 g
Pin configuration 1 2 5 6 7 4,8 3 Input or input ground Input or balanced input Output or output ground Output or balanced output External coil Case ground To be grounded
Type B4847
Ordering code B39361-B4847-U310
Marking and Package according to C61157-A7-A56
Packing according to F61074-V8070-Z000
Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Source power
T Tstg VDC Ps
– 30 / +85 – 35 / +85 3 10
˚C ˚C V dBm
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Jun 13, 2002
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
Characteristics Ambient temperature: Terminating source impedance: Terminating load impedance:
B4847 360,00 MHz
T = -20˚C to +75˚C ZS = 340 Ω || -1,9 pF ZL = 340 Ω || -1,9 pF
min. Nominal frequency (center frequency between 3 dB points) Minimum insertion attenuation (including loss in matching elements) Amplitude ripple (p-p) fN -67,7kHz .. fN+67,7 kHz fN -80,0kHz .. fN+80,0 kHz Passband width αrel ≤ 3,0 dB Group delay ripple (p-p) fN -67,7 kHz .. fN+67,7 kHz Relative attenuation (relative to αmin) fN ± 400 kHz ... fN ± 600 kHz fN ± 600 kHz ... fN ± 800 kHz fN ± 800 kHz ... fN ± 1,6 MHz fN ± 1,6 MHz ... fN ± 5,0 MHz fN ± 5,0 MHz ... fN ± 30,0 MHz Impedance within the pass band Input: ZIN = RIN || CIN Output: ZOUT = ROUT || COUT Temperature coefficient of frequency 1) Turnover temperature
1) Temperature *)
typ. 360,00
max. — MHz
fN
—
αmin — ∆α — — 0,6 0,9 2,0 3,0 dB dB 4,3 5,0 dB
B3,0dB
∆τ
—
315
—
kHz
— αrel 24 38 42 * 52 55
0,5
1,8
µs
32 48 48 54 62
— — — — —
dB dB dB dB dB
— —
340 || 1,9 340 || 1,9 - 0,036 28
— — — —
Ω || pF Ω || pF ppm/K2 ˚C
TCf T0
— —
dependence of fc:
fc(T) = fc(T0)(1 + TCf(T – T0)2)
In the frequency range from 362,5 MHz to 364,0 MHz there exists one spurious response. The minimum attenuation αrel of this spurious response is more than 48 dB.
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Jun 13, 2002
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
Characteristics Ambient temperature: Terminating source impedance: Terminating load impedance:
B4847 360,00 MHz
T = -30˚C to +85˚C ZS = 340 Ω || -1,9 pF ZL = 340 Ω || -1,9 pF
min. Nominal frequency (center frequency between 3 dB points) Minimum insertion attenuation (including loss in matching elements) Amplitude ripple (p-p) fN -67,7kHz .. fN+67,7 kHz fN -80,0kHz .. fN+80,0 kHz Passband width αrel ≤ 3,0 dB Group delay ripple (p-p) fN -67,7 kHz .. fN+67,7 kHz Relative attenuation (relative to αmin) fN ± 400 kHz ... fN ± 600 kHz fN ± 600 kHz ... fN ± 800 kHz fN ± 800 kHz ... fN ± 1,6 MHz fN ± 1,6 MHz ... fN ± 5,0 MHz fN ± 5,0 MHz ... fN ± 30,0 MHz Impedance within the pass band Input: ZIN = RIN || CIN Output: ZOUT = ROUT || COUT Temperature coefficient of frequency 1) Turnover temperature
1) Temperature *)
typ. 360,00
max. — MHz
fN
—
αmin — ∆α — — 0,6 0,9 3,0 4,5 dB dB 4,3 5,0 dB
B3,0dB
∆τ
—
315
—
kHz
— αrel 24 38 42 * 52 55
0,5
1,8
µs
32 48 48 54 62
— — — — —
dB dB dB dB dB
— —
340 || 1,9 340 || 1,9 - 0,036 28
— — — —
Ω || pF Ω || pF ppm/K2 ˚C
TCf T0
— —
dependence of fc:
fc(T) = fc(T0)(1 + TCf(T – T0)2)
In the frequency range from 362,5 MHz to 364,0 MHz there exists one spurious response. The minimum attenuation αrel of this spurious response is more than 48 dB.
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Jun 13, 2002
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
Test matching network to 50 Ω (element values depend on PCB layout): Ls1 = Cp3 = Cp5 = Ls7 = Lk
B4847 360,00 MHz
Ls2 = 18nH Cp4 = 1,2pF Cp6 = 1,2pF Ls8 = 18nH = 68 nH
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Jun 13, 2002
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
Transfer function:
B4847 360,00 MHz
Transfer function (pass band):
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Jun 13, 2002
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
B4847 360,00 MHz
Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC WT P.O. Box 80 17 09, 81617 Munich, GERMANY © EPCOS AG 2002. 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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Jun 13, 2002