SAW Components
Data Sheet B4218
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
B4218 1865,0 & 1895,0 MHz
Ceramic package QCC8D
Features
q Low-loss 2-in-1 RF filter for mobile telephone
PCS systems, transmit path Device with two integrated Tx-filter Usable passband of Tx-filter 1 30 MHz Usable passband of Tx-filter 2 30 MHz No matching network required for operation at 50 Ω q Package for Surface Mounted Technology (SMT)
q q q q
Terminals
q Ni, gold-plated
Dimensions in mm, approx. weight 0,037 g Pin configuration 1 7 2,6 3 5 4,8 Type B4218 Input Tx-filter 1 Output Tx-filter 1 To be grounded Input Tx-filter 2 Output Tx-filter 2 Case-ground, to be grounded Ordering code B39192-B4218-U810 Marking and Package according to C61157-A7-A72 Packing according to F61074-V8101-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings Operable temperature range Storage temperature range DC voltage Input power max. 1850...1910 MHz
T Tstg VDC PIN
– 40 /+ 85 – 40 /+ 85 3 10
˚C ˚C V dBm source and load impedance 50 Ω continuous wave
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Jan 14, 2002
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
Characteristics of Tx-filter 1 Operating temperature range: Terminating source impedance: Terminating load impedance:
B4218 1865,0 & 1895,0 MHz
T = -30 to +85 ˚C ZS = 50 Ω ZL = 50 Ω
min. typ. 1865,0 max. — MHz
Center frequency Maximum insertion attenuation 1850,0 ...1880,0 Amplitude ripple (p-p) 1850,0 ...1880,0 Input return loss 1850,0 ...1880,0 Output return loss 1850,0 ...1880,0 Attenuation 10,0 1570,0 1580,0 1780,0 1800,0 1930,0 1960,0 2400,0 3000,0 5550,0 Rx band suppression 1930,0 ...1960,0 LO suppression 2113,0 ...2174,0 MHz MHz ...1570,0 ...1580,0 ...1780,0 ...1800,0 ...1805,0 ...1960,0 ...2400,0 ...3000,0 ...4000,0 ...5640,0 MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz
fc
αmax MHz ∆α MHz
—
—
1,8
2,5
dB
—
0,7
1,4
dB
9,0
10,0
—
dB
9,0 α 25,0 30,0 29,0 25,0 20,0 38,0 32,0 22,0 15,0 0,0 α 38,0 α 32,0
10,0
—
dB
29,0 32,0 32,0 30,0 26,0 45,0 35,0 32,0 19,0 5,0
— — — — — — — — — —
dB dB dB dB dB dB dB dB dB dB
45,0 35,0
— —
dB dB
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Jan 14, 2002
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
Characteristics of Tx-filter 2 Operating temperature range: Terminating source impedance: Terminating load impedance:
B4218 1865,0 & 1895,0 MHz
T = -30 to +85 ˚C ZS = 50 Ω ZL = 50 Ω
min. typ. 1895,0 max. — MHz
Center frequency Maximum insertion attenuation 1880,0 ...1910,0 Amplitude ripple (p-p) 1880,0 ...1910,0 Input return loss 1880,0 ...1910,0 Output return loss 1880,0 ...1910,0 Attenuation 10,0 1570,0 1580,0 1780,0 1800,0 1960,0 1990,0 2400,0 3000,0 5640,0 Rx band suppression 1960,0 ...1990,0 LO suppression 2113,0 ...2174,0 MHz MHz ...1570,0 ...1580,0 ...1780,0 ...1800,0 ...1830,0 ...1990,0 ...2400,0 ...3000,0 ...4000,0 ...5730,0 MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz
fc
αmax MHz ∆α MHz
—
—
1,8
2,5
dB
—
0,7
1,4
dB
9,0
10,0
—
dB
9,0 α 25,0 30,0 29,0 25,0 22,0 38,0 32,0 22,0 15,0 0,0 α 38,0 α 32,0
10,0
—
dB
29,0 32,0 32,0 30,0 29,0 45,0 35,0 30,0 19,0 5,0
— — — — — — — — — —
dB dB dB dB dB dB dB dB dB dB
45,0 35,0
— —
dB dB
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Jan 14, 2002
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
Transfer function Tx-filter 1
B4218 1865,0 & 1895,0 MHz
Transfer function Tx-filter 1(wideband)
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Jan 14, 2002
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
Transfer function Tx-filter 2
B4218 1865,0 & 1895,0 MHz
Transfer function Tx-filter 2(wideband)
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Jan 14, 2002
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
Reflection functions of Tx-filter 1
B4218 1865,0 & 1895,0 MHz
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Jan 14, 2002
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
Reflection functions of Tx-filter 2
B4218 1865,0 & 1895,0 MHz
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Jan 14, 2002
SAW Components Low-Loss Filter for Mobile Communication Data Sheet
B4218 1865,0 & 1895,0 MHz
Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC WT P.O. Box 80 17 09, D-81617 München © EPCOS AG 2000. All Rights Reserved. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited. The information contained in this brochure describes the type of component and shall not be considered as guaranteed characteristics. 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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