ETC B3625

SAW Components
Data Sheet B3625
SAW Components
B3625
Low-Loss Filter
71,00 MHz
Data Sheet
Ceramic package DCC18
Features
■ Low-loss IF filter for basestation
■ Channel selection in GSM systems
■ Hermetically sealed ceramic SMD package
Terminals
■ Gold plated
Dim. in mm, aprox. weight 0,8 g
Pin configuration
10,1
Input
5,6
Output
3,8
Ground
2,4,7,9
Case – ground
Type
Ordering code
B3625
B39710-B3625-U210
Marking and Package
according to
C61157-A7-A54
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
Tstg
VDC
Ps
– 30/+ 85
– 30/+ 85
0
10
2
˚C
˚C
V
dBm
Apr 04, 2001
Packing
according to
F61074-V8069-Z000
SAW Components
B3625
Low-Loss Filter
71,00 MHz
Data Sheet
Characteristics
Operating temperature:
Terminating source impedance:
Terminating load impedance:
T = 0 - 70 ˚C
ZS = 200 Ω unbalanced and matching network
ZL = 200 Ω unbalanced and matching network
min.
typ.
max.
Nominal frequency
fN
—
71,0
—
Minimum insertion attenuation
(including matching network)
αN
—
7,0
Passband width
αrel ≤ 1 dB
B1,0dB
—
0,21
Amplitude ripple in passband
70,92 ...
∆α
71,08 MHz
—
τ
Absolute group delay
2,35
dB
—
MHz
±1,0
dB
2,50
2,65 µs
0,45
1,5
∆τ
Group delay ripple (p-p)
70,92 ...
71,08 MHz
Relative attenuation (relative to αN)
fN ± 200
kHz ... fN ± 300
fN ± 300
kHz ... fN ± 400
fN ± 400
kHz ... fN ± 700
fN ± 700
kHz ... fN ± 1600
@ fN ± 800
fN ± 1600 kHz ... fN ± 6000
fN ± 6000 kHz ... fN ± 35000
—
Temperature coefficient of frequency 1)
Turnover temperature
dependance of fc:
µs
αrel
kHz
kHz
kHz
kHz
kHz
kHz
kHz
IM3 level (Input level -14 dBm)
fN ± 800
kHz
fN ± 1600 kHz
1) Temperature
±0,6
8,0
MHz
3
13
23
31
34
35
40
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
-95
-95
dBm
dBm
TCf
—
– 0,033
—
ppm/K2
T0
—
10
—
˚C
fc(TA) = fc(T0)(1 + TCf(TA – T0)2)
3
dB
dB
dB
dB
dB
dB
dB
Apr 04, 2001
SAW Components
B3625
Low-Loss Filter
71,00 MHz
Data Sheet
Matching network:
Lp1=120 nH
Ls2=120 nH
Ls3=220 nH
Lp4=180 nH
4
Apr 04, 2001
SAW Components
B3625
Low-Loss Filter
71,00 MHz
Data Sheet
Normalized frequency response
Normalized frequency response (pass band)
5
Apr 04, 2001
SAW Components
B3625
Low-Loss Filter
71,00 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.
6
Apr 04, 2001