SAW Components
Data Sheet B4234
SAW Components Low-Loss Dual Band Filter for Mobile Communication Data Sheet
B4234 881,5/1960,0 MHz
Ceramic package QCC10G
Features
s Low-loss RF filter for mobile telephone GSM s
0,4
1 2 3 4
0,45
5
s s s s s
850/1900 system , receive path Usable passband: Filter 1 (GSM850): 25 MHz Filter 2 (GSM1900): 60 MHz Unbalanced to balanced operation of both filters Impedance transformation from 50 Ω to 150 Ω for both filters Suitable for GPRS class 1 to 12 Ceramic package for Surface Mounted Technology (SMT) RoHS compliant
10
bottom view
0,6
9
8
7
6
0,5
0,8
side view
2,5
0,98
top view
Terminals
s Ni, gold-plated
3,0
Dimensions in mm, approx. weight 27 mg
Pin configuration 1, 2 3, 4 6 7,8 9 5, 10 Output, balanced [ Filter 1 ] Output, balanced [ Filter 2 ] Input [ Filter 2 ] Case ground Input [ Filter 1 ] Case ground
9
1
7,8
2 3
6
4
5, 10
Type B4234
Ordering code B39202-B4234-H910
Marking and Package according to C61157-A7-A142
Packing according to F61074-V8174-Z000
Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage ESD voltage Input power at Tx bands: GSM850, GSM900 GSM1800, GSM1900
T Tstg VDC VESD* PIN
– 40 / + 85 – 40 / + 85 5 50*
˚C ˚C V V
Machine Model, 10 pulses
15
dBm
peak power of GSM signal, duty cycle 4:8
* - acc. to JESD22-A115A (Machine Model), 10 negative & 10 positive pulses
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July 14, 2005
SAW Components Low-Loss Dual Band Filter for Mobile Communication Data Sheet
B4234 881,5/1960,0 MHz
Characteristics Filter 1 ( GSM850 ) Operating temperature range: Terminating source impedance: Terminating load impedance:
T = -20 to +75˚ C ZS = 50 Ω (unbalanced) ZL = 150 Ω (balanced) || 56 nH
min. typ. 881,5 max. — MHz
Center frequency Maximum insertion attenuation 869,0 ... 894,0 Amplitude ripple (p-p) 869,0 ... 894,0 Input VSWR 869,0 ... 894,0 Output VSWR 869,0 ... 894,0 Output amplitude balance (|S31/S21|) 869,0 ... 894,0 MHz MHz MHz
fc
αmax MHz ∆α
—
—
1,8
2,2
dB
—
0,6
1,0
dB
— —
1,8 1,8
2,1 2,1
MHz
-1,5
1,0
dB
Output phase balance (φ(S31)−φ(S21)+180˚) 869,0 ... 894,0 MHz Absolute attenuation 10,0 480,0 915,0 1000,0 3500,0 4500,0 ... 480,0 ... 849,0 ...1000,0 ...3500,0 ...4500,0 ...6000,0 MHz MHz MHz MHz MHz MHz αabs
-10,0
12,0
degree
45,0 30,0 23,0 30,0 22,0 14,0
50,0 34,0 27,0 34,0 26,0 17,0
— — — — — —
dB dB dB dB dB dB
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July 14, 2005
SAW Components Low-Loss Dual Band Filter for Mobile Communication Data Sheet
Transfer function of filter 1 (narrow band)
B4234 881,5/1960,0 MHz
Transfer function of filter 1 (wide band)
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July 14, 2005
SAW Components Low-Loss Dual Band Filter for Mobile Communication Data Sheet
B4234 881,5/1960,0 MHz
Characteristics Filter 2 ( GSM1900 ) Operating temperature range: Terminating source impedance: Terminating load impedance:
T = +25 ± 2 ˚ C ZS = 50 Ω (unbalanced) ZL = 150 Ω (balanced) || 12 nH
min. typ. 1960,0 max. — MHz
Center frequency Maximum insertion attenuation 1930,0 ...1990,0 Amplitude ripple (p-p) 1930,0 ...1990,0 Input VSWR 1930,0 ...1990,0 Output VSWR 1930,0 ...1990,0 Output amplitude balance (|S31/S21|) 1930,0 ...1990,0 MHz MHz
fc
αmax MHz ∆α MHz
—
—
2,2
2,5
dB
—
0,6
1,0
dB
— —
1,7 1,7
2,0 2,0
MHz
-1,3
1,3
dB
Output phase balance (φ(S31)−φ(S21)+180˚) 1930,0 ...1990,0 MHz Absolute attenuation 10,0 1510,0 1820,0 1880,0 2020,0 2080,0 2400,0 4500,0 ...1510,0 ...1820,0 ...1880,0 ...1910,0 ...2080,0 ...2400,0 ...4500,0 ...6000,0 MHz MHz MHz MHz MHz MHz MHz MHz αabs
-12,0
8,0
degree
40,0 30,0 26,0 12,0 12,0 24,0 30,0 22,0
43,0 34,0 30,0 16,0 17,0 29,0 32,0 25,0
— — — — — — — —
dB dB dB dB dB dB dB dB
5
July 14, 2005
SAW Components Low-Loss Dual Band Filter for Mobile Communication Data Sheet
B4234 881,5/1960,0 MHz
Characteristics Filter 2 ( GSM1900 ) Operating temperature range: Terminating source impedance: Terminating load impedance:
T = -20 to +75˚C ZS = 50 Ω (unbalanced) ZL = 150 Ω (balanced) || 12 nH
min. typ. 1960,0 max. — MHz
Center frequency Maximum insertion attenuation 1930,0 ...1990,0 Amplitude ripple (p-p) 1930,0 ...1990,0 Input VSWR 1930,0 ...1990,0 Output VSWR 1930,0 ...1990,0 Output amplitude balance (|S31/S21|) 1930,0 ...1990,0 MHz MHz
fc
αmax MHz ∆α MHz
—
—
2,3
2,7
dB
—
0,6
1,0
dB
— —
1,9 1,9
2,2 2,2
MHz
-1,3
1,3
dB
Output phase balance (φ(S31)−φ(S21)+180˚) 1930,0 ...1990,0 MHz Absolute attenuation 10,0 1510,0 1820,0 1880,0 2020,0 2080,0 2400,0 4500,0 ...1510,0 ...1820,0 ...1880,0 ...1910,0 ...2080,0 ...2400,0 ...4500,0 ...6000,0 MHz MHz MHz MHz MHz MHz MHz MHz αabs
-12,0
8,0
degree
40,0 30,0 26,0 10,0 12,0 24,0 30,0 22,0
43,0 34,0 30,0 13,0 17,0 29,0 32,0 25,0
— — — — — — — —
dB dB dB dB dB dB dB dB
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July 14, 2005
SAW Components Low-Loss Dual Band Filter for Mobile Communication Data Sheet
Transfer function of filter 2 (narrow band)
B4234 881,5/1960,0 MHz
Transfer function of filter 2 (wide band)
7
July 14, 2005
SAW Components Low-Loss Dual Band Filter for Mobile Communication Data Sheet
B4234 881,5/1960,0 MHz
Published by EPCOS AG Surface Acoustic Wave Components Division, SAW COM WT PD P.O. Box 80 17 09, 81617 Munich, GERMANY © EPCOS AG 2005. 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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July 14, 2005