SAW Components
Data Sheet B3647
SAW Components
B3647
Low-Loss Filter
125,0 MHz
Data Sheet
Ceramic package QCC10B
Features
● Low-loss wideband IF filter
● No matching required for operation at 50 Ω
● Package for Surface Mounted Technology
(SMT)
Terminals
● Gold-plated
Dimensions in mm, approx. weight 0,2 g
Pin configuration
10
9
5
4
2, 7
1, 3, 6, 8
Input
Input ground
Output
Output ground
Ground
Case – ground
Type
Ordering code
Marking and Package
according to
Packing
according to
B3647
B39131-B3647-Z710
C61157-A7-A49
F61064-V8035-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
Tstg
VDC
Ps
– 25/+ 85
– 40/+ 125
0
10
2
˚C
˚C
V
dBm
Feb 04, 2004
SAW Components
B3647
Low-Loss Filter
125,0 MHz
Data Sheet
Characteristics
TA = -10 – +85 ˚C
ZS = 50 Ω
ZL = 50 Ω
Operating temperature:
Terminating source impedance:
Terminating load impedance:
fN
Nominal frequency
Insertion attenuation
fN ± 150 kHz
αmax
typ.
max.
—
125,0
—
1,2
1,5
3,2
MHz
dB
B1,0dB
Passband width
αrel ≤ 1,0 dB
—
2,2
—
0,15
—
MHz
∆α
Amplitude ripple (p-p)
fN ± 150 kHz
τ
Absolute group delay (at fN)
1,0
dB
—
250
300
ns
—
20
30
ns
12,0
5,0
0,0
0,0
30,0
44,0
38,0
70,0
50,0
—
—
50,0
48,0
46,0
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
45
—
—
dBm
∆τ
Group delay ripple (p-p)
fN ± 150 kHz
Relative attenuation (relative to αmax)
10,0 MHz ... fN - 28,0 MHz
fN - 28,0 MHz ... fN - 14,0 MHz
fN - 14,0 MHz ... fN - 0,15 MHz
fN + 0,15 MHz ... fN + 14,0 MHz
fN + 14,0 MHz ... fN + 23,0 MHz
fN + 23,0 MHz ... fN + 33,0 MHz
fN + 33,0 MHz ... fN + 325,0 MHz
αrel
Input IP3 (Third order intercept point)1)
VSWR
min.
fN ± 150 kHz
—
TCf
Temperature coefficient of frequency
—
1,4:1
-70
2,0:1
—
ppm/K
1) With two 10 dBm fundamental signals at 125 MHz and 139 MHz applied the third order intermodulation product
at the output at 111 MHz will have less than -64 dBm.
3
Feb 04, 2004
SAW Components
B3647
Low-Loss Filter
125,0 MHz
Data Sheet
Transfer function
Transfer function (pass band)
4
Feb 04, 2004
SAW Components
B3647
Low-Loss Filter
125,0 MHz
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC IS
P.O. Box 80 17 09, 81617 Munich, GERMANY
EPCOS AG 2004. 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
Feb 04, 2004