KEC KFM110 Datasheet
SAW FILTER
KFM110
TECHNICAL DATA
Band pass filter for the IF circuits of cordless phone
ᴌLow insertion loss.
ᴌHigh selectivity.
MAXIMUM RATING (Ta=25ᴱ)
ITEM SYMBOL RATING UNIT
Input Signal Level
DC Permissive Voltage
Operating Temperature Range
Storage Temperature Range
IS
max
V
DC
T
opr
T
stg
-10ᴕ+60
-40ᴕ+85
0 dBm
+10 V
ᴱ
ᴱ
SPECIFICATIONS FOR SAW FILTER
A
B
C
DIM
MILLIMETERS
_
+
10.9 0.1
A
D
12 34
P2
F
1 : INPUT
2,3 : GROUND
4 : OUTPUT
H
P1
E
P1
P2
B
C
D
E
F
H
_
+
4.4 0.06
3.12 MAX
_
+
Φ0.45 0.05
_
+
2.2 0.03
_
+
1.65 0.19
_
+
5.0 0.3
_
+
2.53 0.15
_
+
7.6 0.15
MARKING
F-11
KFM110
Lot No.
ELECTRICAL CHARACTERISTICS (Temperature 25ᴱ)
ITEMS SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Nominal Center Frequency fo - - 110.592 - MHz
Bandwidth
BW
3dB
-
Insertion Loss IL at minimum loss point - 3.0 4.0 dB
fO-3ᴧ1.728MHz
fO-2ᴧ1.728MHz
fO-1.728MHz
Rejection Level
(from minimum loss point)
IL
STOP
fO-1.15MHz
fO+1.15MHz
fO+1.728MHz
fOᴦ0.4
- - MHz
41 46 -
30 35 -
29 34 -
6 17 -
6 10 -
25 30 -
dB
fO+2ᴧ1.728MHz
fO+3ᴧ1.728MHz
Group Delay Time Deviation G.D.T
Input/Output Impedance
2002. 1. 7 1/2
Revision No : 4
ZI(ZO)
fOᴦ0.4MHz
- -
27 32 -
27 32 -
- - 0.75
300ή//1.2ỌH
Ọsec.
- -
TEST CIRCUIT
REFERENCE LEVEL TEST CIRCUIT
KFM110
SSG
0dBm
R
s
RS, RL: 50ή (Internal Impedance of Source and Load)
R : 0ή
Z
)=RS(RL)+R
I(ZO
MEASUREMENT CIRCUIT
Z
I
Z
O
RR
Z
I
Z
O
DET
R
L
SSG
R
s
L
1
1234
C
1
L
L
1
DET
R
C
1
L
1: Input 2, 3 : Ground 4: Output
RS, RL: 50ή (Internal Impedance of Source and Load)
C
: 7pF (Reference value)
1
: 150nH (Reference value)
L
1
2/22002. 1. 7 Revision No : 4
Loading...