SAW FILTER
TECHNICAL DATA
Band pass filter for Korean PCS IF stage.
Low Insertion Loss.
Balanced or Unbalanced operation possible.
Source impedance : 50
Load impedance : 500
single and matching circuit.
balanced and matching circuit.
A
KFM220M
SPECIFICATIONS FOR SAW FILTER
B
DIM
A
MILLIMETERS
_
5.00 + 0.15
_ 0.15
7.00 +
2.00MAX
0.60
2.54
1.00
0.67
1.27
MAXIMUM RATING
ITEM
Input Signal Level
DC Permissive Voltage
Operating Temperature Range
Storage Temperature Range
SYMBOL
IS
max
V
DC
T
opr
T
stg
-30
-40
RATING
10
0
+80
+85
UNIT
dBm
V
E
6
5
4
3
2
1
7
8
9
10
11
12
C
B
C
D
E
F
G
H
H
D
F
G
0.5 INDEX MARK
MARKING
SC-57
M220
K
Lot No.
ELECTRICAL CHARACTERISTICS
ITEMS
Nominal Center Frequency
Insertion Loss
5 dB Lower Frequency
5 dB Upper Frequency
33 dB Lower Frequency
33 dB Upper Frequency
Attenuation at 219.13MHz
Attenuation at 221.63MHz
Attenuation at 218.33MHz
Attenuation at 222.43MHz
Ripple over the fo 0.300MHz
Phase Linearity at fo 0.615MHz
Ultimate Rejection
Source/Load Impedance **
note) "*" : Specified at 25
"**" : Can be used 50
to 1
with degradation in Insertion Loss.
Arip
PL
UR
-
*
*
IL
STOP
SYMBOL
fo
IL
-
-
-
-
221. 01
219.13
-
35
35
-
-
-
-
-
-
50
50
MIN.
-
-
TYP.
220.38
8.0
219. 67
221. 14
219.26
221.57
40
39.8
47
46
0.8
1.2
50
/50
/500
-
MAX.
-
9.5
219.75
-
-
221.63
-
-
-
-
1.2
3.5
UNIT
MHz
dB
MHz
MHz
MHz
MHz
dB
dB
dB
dB
dB
(P-P)
deg rms
dB
2001. 12. 14
Revision No : 1
1/3
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