ETC B3621

SAW Components
Data Sheet B3621
SAW Components
B3621
Low-Loss Filter
227,0 MHz
Data Sheet
Ceramic package QCC12
Features
● Clean-up filter for GSM basestations
● Package for Surface Mounted Technology
(SMT)
● Hermetically sealed ceramic package
Terminals
● Gold plated
Dim. in mm, aprox. weight 0,4 g
Pin configuration
11
5
1
7
2, 6, 8, 12
3, 4, 9, 10
Input
Output
Input ground
Output ground
Case ground
not connected
Type
Ordering code
B3621
B39231-B3621-Z510
Marking and Package
according to
C61157-A7-A55
Packing
according to
F61074-V8026-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
Tstg
VDC
Ps
– 45/+ 85
– 45/+ 85
0
10
2
˚C
˚C
V
dBm
source impedance 50 Ω
Apr 04, 2001
SAW Components
B3621
Low-Loss Filter
227,0 MHz
Data Sheet
Characteristics
TA = 25 ˚C
ZS = 50 Ω and matching network
ZL = 50 Ω and matching network
Ambient temperature:
Source impedance:
Load impedance:
min.
typ.
max.
Nominal frequency
fN
—
227,00
—
Minimum insertion attenuation
Reference level for the following data
αmin
—
6,0
7,5
dB
Amplitude ripple (p-p)
∆α
—
0,6
1,1
dB
fN ± 400 kHz
Relative attenuation (relative to αmin)
fN - 20,0 MHz ... fN - 6,0 MHz
fN - 6,0 MHz ... fN - 1,8 MHz
fN + 1,8 MHz ... fN + 6,0 MHz
fN + 6,0 MHz ... fN + 20,0 MHz
αrel
Group delay ripple (p-p)
∆τ
fN ± 400 kHz
TCf
Temperature coefficient of frequency 1)
1) Temperature
dependance of fc:
40
30
30
40
—
—
—
—
—
—
—
—
dB
dB
dB
dB
—
70
150
ns
—
– 18
—
fc(TA) = fc(T0)(1 + TCf(TA – T0))
Matching network:
Cp1 = 22 pF
Ls2 = 27 nH
Ls3 = 27 nH
Cp4 = 22 pF
3
MHz
Apr 04, 2001
ppm/K
SAW Components
B3621
Low-Loss Filter
227,0 MHz
Data Sheet
Transfer function (TA= 25 ˚C)
Transfer function (pass band, TA= 25 ˚C)
4
Apr 04, 2001
SAW Components
B3621
Low-Loss Filter
227,0 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