EPCOS B3897

SAW Components
Data Sheet B3897
SAW Components
B3897
Low-Loss Filter
70,00 MHz
Data Sheet
Ceramic package QCC12
Features
■ IF low-loss filter
■ 2,85 MHz usable bandwidth
■ Ceramic SMD package
Terminals
■ Gold plated
Dim. in mm, aprox. weight 0,44 g
Pin configuration
11
Input (balanced)
1
Input (balanced or ground)
5
Output (balanced)
7
Output (balanced or ground)
2, 3, 8, 9
Case - ground
4, 6, 10, 12
To be grounded
Type
Ordering code
Marking and Package
according to
Packing
according to
B3897
B39700-B3897-Z510
C61157-A7-A55
F61074-V8163-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
Tstg
VDC
Ps
– 40/+ 85
– 40/+ 85
0
10
2
˚C
˚C
V
dBm
Sep 05, 2003
SAW Components
B3897
Low-Loss Filter
70,00 MHz
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T = -20 to 80 ˚C
ZS = 50 Ω balanced and matching network
ZL = 50 Ω balanced and matching network
min.
typ.
max.
Nominal frequency
fN
—
70,0
—
Insertion attenuation at fN
(including matching network)
αN
—
6,3
8,0
MHz
dB
Passband width
αrel ≤ 3,0 dB
B3,0dB
3,5
4,7
—
MHz
∆α
Amplitude ripple (p-p)
fN ± 1,425 MHz
—
0,5
1,0
dB
—
3,0
7,0
˚
—
1,47
∆ϕ
Phase ripple (p-p)
fN ± 1,425 MHz
τ
Absolute group delay (@ fN)
—
µs
∆τ
Group delay ripple (p-p)
fN ± 1,425 MHz
Relative attenuation (relative to αN)
fN − 3,875 MHz... fN − 20 MHz
fN + 3,875 MHz... fN + 20 MHz
αrel
Temperature coefficient of frequency
TCf
—
110
175
ns
40
37
45
40
—
—
dB
dB
—
-87
—
ppm/K
Matching network (Element values depend upon PCB layout)
1:1
1:1
Lp1 = 68 nH
Lp2 = 68 nH
3
Sep 05, 2003
SAW Components
B3897
Low-Loss Filter
70,00 MHz
Data Sheet
Normalized frequency response
Normalized frequency response (pass band)
4
Sep 05, 2003
SAW Components
B3897
Low-Loss Filter
70,00 MHz
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC
P.O. Box 80 17 09, 81617 Munich, GERMANY
 EPCOS AG 2003. 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.
5
Sep 05, 2003