ETC B4847

SAW Components
Data Sheet B4847
SAW Components
B4847
360,00 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
SMD ceramic package QCC8C
Features
●
●
●
●
●
Low-loss IF filter for mobile telephone
Channel selection in GSM, PCN systems
Ceramic SMD package
Very small size
High close in selectivity
Terminals
● Gold-plated Ni
Dimensions in mm, approx. weight 0,10 g
Pin configuration
1
2
5
6
7
4,8
3
Input or input ground
Input or balanced input
Output or output ground
Output or balanced output
External coil
Case ground
To be grounded
Type
Ordering code
B4847
B39361-B4847-U310
Marking and Package
according to
C61157-A7-A56
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
Tstg
VDC
Ps
– 30 / +80
– 35 / +85
3
10
2
˚C
˚C
V
dBm
Nov 08, 1999
Packing
according to
F61074-V8070-Z000
SAW Components
B4847
360,00 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -20˚C to +75˚C
ZS = 340 Ω || -1,9 pF
ZL = 340 Ω || -1,9 pF
Ambient temperature:
Terminating source impedance:
Terminating load impedance:
Nominal frequency
(center frequency between 3 dB points)
fN
Minimum insertion attenuation
(including loss in matching elements)
αmin
Amplitude ripple (p-p)
fN -67,7kHz .. fN+67,7 kHz
fN -80,0kHz .. fN+80,0 kHz
∆α
min.
typ.
max.
—
360,00
—
MHz
—
4,3
5,0
dB
—
—
0,6
0,9
2,0
3,0
dB
dB
—
kHz
0,5
1,8
µs
32
48
48
54
62
—
—
—
—
—
dB
dB
dB
dB
dB
—
Ω || pF
—
340 || 1,9
340 || 1,9
—
Ω || pF
—
ppm/K2
—
˚C
Passband width
αrel ≤ 3,0 dB
B3,0dB
Group delay ripple (p-p)
fN -67,7 kHz .. fN+67,7 kHz
∆τ
Relative attenuation (relative to αmin)
fN ± 400 kHz ... fN ± 600 kHz
fN ± 600 kHz ... fN ± 800 kHz
fN ± 800 kHz ... fN ± 1,6 MHz
fN ± 1,6 MHz ... fN ± 5,0 MHz
fN ± 5,0 MHz ... fN ± 30,0 MHz
αrel
—
—
25
38
42
* 52
55
Impedance within the pass band
Input: ZIN = RIN || CIN
Output: ZOUT = ROUT || COUT
—
315
Temperature coefficient of frequency 1)
TCf
—
- 0,036
Turnover temperature
T0
—
28
1) Temperature
*)
dependence of fc:
fc(T) = fc(T0)(1 + TCf(T – T0)2)
In the frequency range from 362,5 MHz to 364,0 MHz there exists one spurious response.
The minimum attenuation αrel of this spurious response is more than 48 dB.
3
Nov 08, 1999
SAW Components
B4847
360,00 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
T = -30˚C to +80˚C
ZS = 340 Ω || -1,9 pF
ZL = 340 Ω || -1,9 pF
Ambient temperature:
Terminating source impedance:
Terminating load impedance:
Nominal frequency
(center frequency between 3 dB points)
fN
Minimum insertion attenuation
(including loss in matching elements)
αmin
Amplitude ripple (p-p)
fN -67,7kHz .. fN+67,7 kHz
fN -80,0kHz .. fN+80,0 kHz
∆α
min.
typ.
max.
—
360,00
—
MHz
—
4,3
5,0
dB
—
—
0,6
0,9
3,0
4,5
dB
dB
—
kHz
0,5
1,8
µs
32
48
48
54
62
—
—
—
—
—
dB
dB
dB
dB
dB
—
Ω || pF
—
340 || 1,9
340 || 1,9
—
Ω || pF
—
ppm/K2
—
˚C
Passband width
αrel ≤ 3,0 dB
B3,0dB
Group delay ripple (p-p)
fN -67,7 kHz .. fN+67,7 kHz
∆τ
Relative attenuation (relative to αmin)
fN ± 400 kHz ... fN ± 600 kHz
fN ± 600 kHz ... fN ± 800 kHz
fN ± 800 kHz ... fN ± 1,6 MHz
fN ± 1,6 MHz ... fN ± 5,0 MHz
fN ± 5,0 MHz ... fN ± 30,0 MHz
αrel
—
—
25
38
42
* 52
55
Impedance within the pass band
Input: ZIN = RIN || CIN
Output: ZOUT = ROUT || COUT
—
315
Temperature coefficient of frequency 1)
TCf
—
- 0,036
Turnover temperature
T0
—
28
1) Temperature
*)
dependence of fc:
fc(T) = fc(T0)(1 + TCf(T – T0)2)
In the frequency range from 362,5 MHz to 364,0 MHz there exists one spurious response.
The minimum attenuation αrel of this spurious response is more than 48 dB.
4
Nov 08, 1999
SAW Components
B4847
360,00 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Test matching network to 50 Ω (element values depend on PCB layout):
Ls1 =
Cp3 =
Cp5 =
Ls7 =
Lk
5
Nov 08, 1999
Ls2 = 18nH
Cp4 = 1,2pF
Cp6 = 1,2pF
Ls8 = 18nH
= 68 nH
SAW Components
B4847
360,00 MHz
Low-Loss Filter for Mobile Communication
Data Sheet
Transfer function:
Transfer function (pass band):
6
Nov 08, 1999
SAW Components
B4847
360,00 MHz
Low-Loss Filter for Mobile Communication
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.
7
Nov 08, 1999