EPCOS B4540 Saw components bandpass filter for mobile communication 112,32 mhz Datasheet

Wireless Local Loop/Broadband Access Filters
The following products presented in this data sheet are being withdrawn.
Ordering Code
B39111B4540Z710
Substitute Product
Date of
Withdrawal
2006-12-01
Deadline Last
Orders
2007-02-28
Last Shipments
2007-05-31
For further information please contact your nearest EPCOS sales office, which will also support
you in selecting a suitable substitute. The addresses of our worldwide sales network are
presented at www.epcos.com/sales.
SAW Components
Data Sheet B4540
SAW Components
B4540
Bandpass Filter for Mobile Communication
112,32 MHz
Data Sheet
Ceramic package QCC10B
Features
● Bandpass IF filter for cordless telephone
● Channel selection in DECT system
● Ceramic package for Surface Mounted Technol-
ogy (SMT)
Terminals
● Ni, gold-plated
Dimensions in mm, approx. weight 0,23 g
Pin configuration
10
9
5
4
1,3,6,8
2,7
Input
Input ground or balanced input
Output
Output ground or balanced output
Case - ground
Not connected
Type
Ordering code
B4540
B39111-B4540-Z710
Marking and Package
according to
C61157-A7-A49
Packing
according to
F61074-V8035-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
Tstg
VDC
Ps
– 40/+ 85
– 40/+ 85
0
10
2
˚C
˚C
V
dBm
source impedance 50 Ω
Apr 04, 2001
SAW Components
B4540
Bandpass Filter for Mobile Communication
112,32 MHz
Data Sheet
Characteristics
T = -40 to + 85 ˚C
ZS = 1,1 kΩ || 390 nH
ZL = 0,9 kΩ || 340 nH
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
min.
typ.
max.
Nominal frequency
fN
—
112,32
—
Insertion attenuation at fN
(including losses in matching network)
Reference level for the following data
αN
—
13,5
15,0
Pass bandwidth
Β3dB
—
1,6
—
MHz
Group delay ripple (p-p)
fN -700,0 kHz .. fN+700,0 kHz
∆τ
—
100
150
ns
45
40
30
30
40
35
40
59
53
42
41
50
41
45
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
45
57
—
dB
—
—
kΩ || pF
—
3,9 || 5,0
3,3 || 6,1
—
kΩ || pF
Relative attenuation (relative to αN)
αrel
fN − 30,00 MHz ... fN − 6,32 MHz
fN − 6,32 MHz ... fN − 4,00 MHz
fN − 4,00 MHz ... fN − 1,72 MHz
fN + 1,72 MHz ... fN + 4,00 MHz
fN + 4,00 MHz ... fN + 6,00 MHz
fN + 6,00 MHz ... fN + 8,00 MHz
fN + 8,00 MHz ... fN + 30,00 MHz
fN + 17,28 MHz
MHz
dB
Impedance at fN
Input: ZIN = RIN || CIN
Output: ZOUT = ROUT || COUT
Temperature coefficient of frequency 1)
TCf
—
– 0,03
—
ppm/K2
Turnover temperature
T0
—
30
—
˚C
1) Temperature
dependance of fc:
fc(T) = fc(T0)(1 + TCf(T – T0)2)
Matching network to 50 Ω (element values depend on pcb layout)
Ls1
Ls2
3
Apr 04, 2001
= 330 nH
= 270 nH
SAW Components
B4540
Bandpass Filter for Mobile Communication
112,32 MHz
Data Sheet
Transfer function
Transfer function (pass band)
4
Apr 04, 2001
SAW Components
B4540
Bandpass Filter for Mobile Communication
112,32 MHz
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC IS
P.O. Box 80 17 09, D-81617 München
 EPCOS AG 1999. All Rights Reserved.
As far as patents or other rights of third parties are concerned, liability is only assumed for components per se, not for applications, processes and circuits implemented within components or
assemblies.
The information describes the type of component and shall not be considered as assured
characteristics.
Terms of delivery and rights to change design reserved.
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.
5
Apr 04, 2001
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