EPCOS B39111-B4937-U910 Saw components low-loss filter for mobile communication 109,8 mhz Datasheet

SAW Components
Data Sheet B4937
SAW Components
B4937
Low-Loss Filter for Mobile Communication
109,8 MHz
Data Sheet
Ceramic package QCC10C
Features
■
■
■
■
■
■
■
Low-loss IF filter for mobile telephone
Channel selection in CDMA systems
Very small size
Low insertion attenuation
Balanced and unbalanced operation possible
Filter surface passivated
Ceramic SMD package
Terminals
■ Gold-plated Ni
Dimensions in mm, approx. weight 0,24 g
Pin configuration
10
9
5
4
2, 7
1, 3, 6, 8
Input
Input ground or balanced input
Output
Balanced output or output ground
Case – ground
To be grounded
Type
Ordering code
B4937
B39111-B4937-U910
Marking and Package
according to
C61157-A7-A73
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
May 11, 2000
Packing
according to
F6104-V8104-Z000
SAW Components
B4937
Low-Loss Filter for Mobile Communication
109,8 MHz
Data Sheet
Characteristics
T = -35 to +85 ˚C
ZS = 1200 Ω || 120 nH
ZL = 1000 Ω || 110 nH
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
min.
typ.
Nominal frequency
Minimum insertion attenuation
(including losses in matching circuit)
fN
—
109,8
αmin
—
Amplitude ripple (p-p)
fN – 0,3 MHz
∆α
...
Phase Linearity (rms)
fN – 0,614 MHz ...
fN + 0,3 MHz
...
...
...
...
MHz
8,5
10,0
dB
—
0,4
1,0
dB
—
1,5
3,0
˚
—
4,0
5,0
dB
αrel
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
fN – 25 MHz
fN – 1,7 MHz
fN + 0,9 MHz
fN + 1,7 MHz
—
∆τ
fN + 0,614 MHz
Relative attenuation (relative to αmin)
fN ± 0,614 MHz
fN – 2,05
fN – 1,7
fN – 1,25
fN – 0,9
fN + 0,9
fN + 1,25
fN + 1,7
fN + 2,05
max.
fN – 1,7 MHz
fN – 0,9 MHz
fN + 1,7 MHz
fN + 25 MHz
38
40
35
35
35
33
40
38
42
45
39
38
38
35
45
42
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
36
33
33
36
40
38
35
40
—
—
—
—
dB
dB
dB
dB
Test Matching Network to bal. 200Ω / unbal. 50Ω (element values depend on PCB layout)
Cs1 = 6,8 pF
Cs2 = 6,8 pF
Lp3 = 82 nH
Cp4 = 2,7 pF
Lp5 = 68 nH
Cp6 = 1,2 pF
Cs7 = 6,8 pF
3
May 11, 2000
SAW Components
B4937
Low-Loss Filter for Mobile Communication
109,8 MHz
Data Sheet
Transfer function (balanced - unbalanced):
Transfer function (passband):
4
May 11, 2000
SAW Components
B4937
Low-Loss Filter for Mobile Communication
109,8 MHz
Data Sheet
Transfer function (wideband):
5
May 11, 2000
SAW Components
B4937
Low-Loss Filter for Mobile Communication
109,8 MHz
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, OFW E MF
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.
6
May 11, 2000
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