EPCOS B4846

SAW Components
Data Sheet B4846
SAW Components
B4846
225,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
SMD Ceramic package QCC8C
Features
● Low-loss RF filter for mobile telephone
● Channel selection in GSM, PCN systems
● Ceramic Package for Surface Mounted
Technology (SMT)
● Low insertion attenuation
● Low group delay ripple
Terminals
● Gold-plated Ni
Dimensions in mm, approx. weight 0,10 g
Pin configuration
1, 2
5, 6
4, 8
3, 7
Input, balanced
Output, balanced
Case - ground
To be grounded
Type
Ordering code
Marking and Package
Packing
according to
according to
B4846
B39231-B4846-U310
C61157-A7-A67
F61074-V8088-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
ESD voltage
Source power
T
Tstg
VDC
V*ESD
Ps
– 25/+ 80
– 40/+ 85
5
100*
10
˚C
˚C
V
V
dBm
Machine Model, 10 pulses
* - acc. to JESD22-A115A (Machine Model), 10 negative & 10 positive pulses
2
Feb 03, 2005
SAW Components
B4846
225,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = 25 ˚C
ZS = 860 Ω || -2,0pf
ZL = 860 Ω || -2,0pf
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
Nominal frequency
fc
Minimum insertion attenuation
(including loss in baluns and matching elements)
Amplitude ripple (p-p)
fN - 67,5 kHz
...
fN + 67,5 kHz
fN - 80,0 kHz
...
fN + 80,0 kHz
Group delay ripple (p-p)
fN - 50,0 kHz
...
fN + 50,0 kHz
fN - 67,5 kHz
...
fN + 67,5 kHz
fN - 80,0 kHz
...
fN + 80,0 kHz
Relative attenuation (relative to αmin)
fN - 15,00 MHz ...
fN - 5,00 MHz
fN - 5,00 MHz ...
fN - 2,00 MHz
fN - 2,00 MHz ...
fN - 0,60 MHz
fN - 0,60 MHz ...
fN - 0,40 MHz
fN - 0,40 MHz ...
fN - 0,20 MHz
αmin
fN + 0,20 MHz
fN + 0,40 MHz
fN + 0,60 MHz
fN + 2,00 MHz
fN + 3,00 MHz
...
...
...
...
...
max.
225,01
—
3,0
3,9
4,5
dB
—
—
0,6
0,7
1,6
3,0
dB
dB
—
—
—
0,2
0,3
0,6
1,3
1,5
1,8
µs
µs
µs
αrel
42
42
36
26,5
6,5
45
46
37
29
12
—
—
—
—
—
dB
dB
dB
dB
dB
6,5
26,5
36
43
42
12
29
37
47
45
—
—
—
—
—
dB
dB
dB
dB
dB
860 || 2,0
860 || 2,0
—
Ω || pF
—
—
Ω || pF
TCf
—
-0,036
—
ppm/K2
T0
—
25
—
˚C
—
Temperature coefficient of frequency 1)
Frequency inversion point
fc(T) = fc(T0)(1 + TCf(T – T0)2)
3
MHz
∆τ
fN + 0,40 MHz
fN + 0,60 MHz
fN + 2,00 MHz
fN + 5,0 MHz
fN + 15,0 MHz
dependence of fc:
typ.
—
∆α
Impedance within the passband
Input: ZIN = RIN || CIN
Output: ZOUT = ROUT || COUT
1) Temperature
min.
Feb 03, 2005
SAW Components
B4846
225,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -20 to +75˚C
ZS = 860 Ω || −2,0pf
ZL = 860 Ω || −2,0pf
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
Nominal frequency
fN
Minimum insertion attenuation
(including loss in baluns and matching elements)
Amplitude ripple (p-p)
fN - 67,5 kHz
...
fN + 67,5 kHz
fN - 80,0 kHz
...
fN + 80,0 kHz
Group delay ripple (p-p)
fN - 50,0 kHz
...
fN + 50,0 kHz
fN - 67,5 kHz
...
fN + 67,5 kHz
fN - 80,0 kHz
...
fN + 80,0 kHz
Relative attenuation (relative to αmin)
fN - 15,00 MHz ...
fN - 5,00 MHz
fN - 5,00 MHz ...
fN - 2,00 MHz
fN - 2,00 MHz ...
fN - 0,60 MHz
fN - 0,60 MHz ...
fN - 0,40 MHz
fN - 0,40 MHz ...
fN - 0,20 MHz
αmin
fN + 0,20 MHz
fN + 0,40 MHz
fN + 0,60 MHz
fN + 2,00 MHz
fN + 5,00 MHz
...
...
...
...
...
dependence of fc:
max.
225,00
—
3,0
3,9
5,0
dB
—
—
0,7
0,8
2,2
3,2
dB
dB
—
—
—
0,2
0,4
0,7
1,3
1,6
1,8
µs
µs
µs
αrel
42
43
35
26
5
45
46
37
29
13
—
—
—
—
—
dB
dB
dB
dB
dB
5
26
35
43
42
11
29
37
47
45
—
—
—
—
—
dB
dB
dB
dB
dB
—
860 || 2,0
860 || 2,0
—
Ω || pF
—
—
Ω || pF
TCf
—
-0,036
—
ppm/K2
T0
—
25
—
˚C
fc(T) = fc(T0)(1 + TCf(T – T0)2)
4
MHz
∆τ
Impedance within the passband
Input: ZIN = RIN || CIN
Output: ZOUT = ROUT || COUT
1) Temperature
typ.
—
∆α
fN + 0,40 MHz
fN + 0,60 MHz
fN + 2,00 MHz
fN + 5,00 MHz
fN + 15,00 MHz
Temperature coefficient of frequency 1)
Frequency inversion point
min.
Feb 03, 2005
SAW Components
B4846
225,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Test matching network (element values depend on pcb layout)
Source impedance ZS=50 Ω, load impedance ZL=50 Ω
Ls1 = Ls2 = 47 nH
Ls5 = Ls6 = 47 nH
Cp3 = Cp4 = 1,2 pF
5
Feb 03, 2005
SAW Components
B4846
225,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Transfer function(normalized):
6
Feb 03, 2005
SAW Components
B4846
225,0 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC 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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Feb 03, 2005