EPCOS C61157-A7-A54 Low-loss filter Datasheet

SAW Components
Data Sheet B3655
SAW Components
B3655
Low-Loss Filter
248,6 MHz
Data Sheet
Ceramic package DCC18
Features
●
●
●
●
●
Low-loss IF filter for DCS base station
Rx path
Temperature stable
Unbalanced or balanced operation
Ceramic SMD package
Terminals
● Gold plated
Dim. in mm, aprox. weight 0,7 g
Pin configuration
1
6
10
5
3, 8
2, 4, 7, 9
Input
Output
Input ground
Output ground
Ground
Case – ground
Type
Ordering code
Marking and Package
according to
Packing
according to
B3655
B39241-B3655-U210
C61157-A7-A54
F61074-V8069-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
Tstg
VDC
Ps
– 25/+ 75
– 40/+ 85
0
10
2
˚C
˚C
V
dBm
Apr 04, 2001
SAW Components
B3655
Low-Loss Filter
248,6 MHz
Data Sheet
Characteristics
TA = -5 - 75 ˚C
ZS = 50 Ω and matching network
ZL = 50 Ω and matching network
Operating temperature:
Terminating source impedance:
Terminating load impedance:
min.
typ.
max.
Nominal frequency
fN
—
248,6
—
Minimum insertion attenuation
(including matching network)
αmin
—
8,3
9,5
dB
Amplitude ripple (p-p)
∆α
—
—
0,4
0,6
1,0
1,5
dB
dB
fN ± 95 kHz
fN ± 120 kHz
Passband width
αrel ≤ 3,0 dB
B3,0dB
τ
Absolute group delay (at fN)
240
410
—
MHz
kHz
—
2,3
3,0
µs
—
—
0,3
0,4
0,7
1,0
µs
µs
11
22
30
48
51
48
43
48
51
18,5
26
36
51
65
51
46
51
56
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
∆τ
Group delay ripple (p-p)
fN ± 95 kHz
fN ± 120 kHz
Relative attenuation (relative to αmin)
fN ± 0,33 MHz ... fN ± 0,60 MHz
fN ± 0,60 MHz ... fN ± 0,80 MHz
fN ± 0,80 MHz ... fN ± 3,00 MHz
fN − 3,00 MHz ... fN − 105 MHz
fN − 105 MHz ... fN − 120 MHz
fN + 3,00 MHz ... fN + 13 MHz
fN + 13 MHz ... fN + 30 MHz
fN + 30 MHz ... fN ± 105 MHz
fN + 105 MHz ... fN + 120 MHz
αrel
Temperature coefficient of frequency 1)
Turnover temperature
TCf
—
– 0,036
—
ppm/K2
T0
—
30
—
˚C
1) Temperature
dependance of fc:
fc(TA) = fc(T0)(1 + TCf(TA – T0)2)
3
Apr 04, 2001
SAW Components
B3655
Low-Loss Filter
248,6 MHz
Data Sheet
Matching network
Cp1 = 22 pF
Ls2 = 22 nH
Ls3 = 22 nH
Cp4 = 22 pF
4
Apr 04, 2001
SAW Components
B3655
Low-Loss Filter
248,6 MHz
Data Sheet
Normalized frequency response
Normalized frequency response (pass band)
5
Apr 04, 2001
SAW Components
B3655
Low-Loss Filter
248,6 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
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