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SAW Components
SAW TX Filter
PCS / WCDMA Band II
Series/type: Ordering code: Date: Version:
LP31B June 15, 2007 1.2
© EPCOS AG 2007. 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 TX Filter Preliminary data
Application
s Low-loss RF filter for mobile telephone s s s s
LP31B 1880.0 MHz
PCS and WCDMA systems, transmit path (TX) High selectivity Usable passband 60 MHz Impedance at input and output 50 Ω Unbalanced to unbalanced operation
Features
s s s s s s s
5 0.5 0.5
4
0.4 +/−0.05
Package size 1.4 x1.1 x 0.4 mm3 Package code QCS5M RoHS compatible Approximate weight 0.003 g Package for Surface Mount Technology (SMT) Ni, gold-plated terminals Electrostatic Sensitive Device (ESD)
0.325
2
3
0.575
0.25
bottom view
1
side view
1.4
1.1
top view
Pin configuration
s 1 s 4 s 2,3,5
Input unbalanced 1) Output unbalanced 1) To be grounded
1
4
2,5
3
1) Input and Output can also be used vice versa.
Please read cautions and warnings and important notes at the end of this document.
2
June 15, 2007
SAW Components SAW TX Filter Preliminary data
Characteristics Temperature range for specification: Terminating source impedance: Terminating load impedance: T = –30 ˚C to +85 ˚C ZS = 50 Ω ZL = 50 Ω LP31B1) typ. @ 25 ˚C 1880.0 2.5 2.5 1.3 2.0 2.0 2.2 38 40 35 18 36 36 39 39 37 52 39 –– –– –– –– –– –– –– –– –– dB dB dB dB dB dB dB dB dB
LP31B 1880.0 MHz
min. Center frequency fC –– –– –– –– –– –– –– α 0.0 ...1550.0 1550.0 ...1580.0 1580.0 ...1770.0 1770.0 ...1830.0 1930.625...1990.0 1932.4 ...1987.6 1990.0 ...2032.0 2032.0 ...2500.0 2500.0 ...3700.0 3700.0 ...3820.0 3820.0 ...6000.0 MHz MHz MHz MHz MHz MHz αWCDMA3) MHz MHz MHz MHz MHz 32 35 30 14 335) 33 35 35 30 35 25
max. –– 3.82) 3.5 3.0 4.5 MHz dB dB dB %
Maximum insertion attenuation 1850.625...1909.375 MHz αmax @fCarrier 1852.4 ...1907.6 MHz αWCDMA3) Amplitude ripple (p-p) 1850.625...1909.375 MHz ∆α Error Vector @fCarrier 1852.4 Input VSWR 1850.625...1909.375 MHz Output VSWR 1850.625...1909.375 MHz Attenuation Magnitude4) ...1907.6 MHz EVM
@fCarrier
1) 2) 3) 4) 5)
Values in columns min, typ and max indicate the development status of the current version. Valid in temperature range -30˚C to +75˚C. Guaranteed for +85˚C: 4.2dB Attenuation of WCDMA signal (“Powertransferfunction”). Please refer to annotation on page (4). Error Vector Magnitude (EVM) based on definition given in 3GPP TS 25.141. Valid in temperature range -20˚C to +85˚C. Guaranteed for -30˚C: 29dB
Please read cautions and warnings and important notes at the end of this document.
3
June 15, 2007
SAW Components SAW TX Filter Preliminary data
Annotation for characteristics section Attenuation of WCDMA signal (“Powertransferfunction”, αWCDMA) is determined by
LP31B 1880.0 MHz
∫∞ Sds 21 ( f ) HRRC ( f – f Carrier )
∞
2
df
fCarrier according to 3GPP TS 25.101 (e.g. for Passband, fCarrier ranges from 1852.4 MHz (lowest Tx channel) to 1907.6 MHz (highest Tx channel)). HRRC(f) is the transfer function of the root-raised cosine transmit pulse shaping filter according to 3GPP TS 25.101 with the following normalization:
∫∞ HRRC ( f )
∞
2
df = 1
Maximum ratings Operable temperature range Storage temperature range DC voltage ESD voltage Input power
1)
T Tstg VDC VESD PIN
–40/+85 –40/+85 5 501) tbd.
˚C ˚C V V
machine model, 10 pulses
acc. to JESD22-A115A (machine model), 10 negative & 10 positive pulses.
Please read cautions and warnings and important notes at the end of this document.
4
June 15, 2007
SAW Components SAW TX Filter Preliminary data
Transfer function
LP31B 1880.0 MHz
Transfer function (wideband)
Please read cautions and warnings and important notes at the end of this document.
5
June 15, 2007
SAW Components SAW TX Filter Preliminary data
Smith charts S11 function (unbalanced input) (ports can be used vice versa)
LP31B 1880.0 MHz
S22 function (unbalanced output) (ports can be used vice versa)
Please read cautions and warnings and important notes at the end of this document.
6
June 15, 2007
SAW Components SAW TX Filter Preliminary data
LP31B 1880.0 MHz
References Type Ordering code Marking and package Packaging Date codes S-parameters Soldering profile RoHS compatible tbd. tbd. L_1126 LP31B_NB.s2p LP31B_WB.s2p S_6001 defined as compatible with the following documents: "DIRECTIVE 2002/95/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment. 2005/618/EC from April 18th, 2005, amending Directive 2002/95/EC of the European Parliament and of the Council for the purposes of establishing the maximum concentration values for certain hazardous substances in electrical and electronic equipment." Moldability Before using in overmolding environment, please contact your EPCOS sales .