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參數資料
| 型號： | KFM220M |
| 廠商： | KEC Holdings |
| 英文描述： | SPECIFICATIONS FOR SAW FILTER(BAND PASS FILTERS FOR KOREAN PCS IF STAGE) |
| 中文描述： | 聲表面波濾波器（帶通濾波器規格韓文級中頻PCS）的 |
| 文件頁數： | 1/3頁 |
| 文件大小： | 162K |
| 代理商： | KFM220M |
Band pass filter for Korean PCS IF stage.
Low Insertion Loss.
Balanced or Unbalanced operation possible.
Source impedance : 50
single and matching circuit.
Load impedance : 500
balanced and matching circuit.
MAXIMUM RATING
SC-57
A
B
C
D
E
F
G
H
2.00MAX
0.60
2.54
1.00
0.67
1.27
5.00 0.15
7.00 0.15
+
DIM
MILLIMETERS
+
A
B
C
D
6
5
7
8
9
10
11
4
3
2
1
12
G
H
E
F
0.5 INDEX MARK
2001. 12. 14
1/3
SAW FILTER
TECHNICAL DATA
KFM220M
SPECIFICATIONS FOR SAW FILTER
Revision No : 1
K
M220
MARKING
Lot No.
ITEM
SYMBOL
RATING
UNIT
Input Signal Level
IS
max
10
dBm
DC Permissive Voltage
V
DC
0
V
Operating Temperature Range
T
opr
-30
+80
Storage Temperature Range
T
stg
-40
+85
ELECTRICAL CHARACTERISTICS
ITEMS
SYMBOL
MIN.
TYP.
MAX.
UNIT
Nominal Center Frequency
fo
-
220.38
-
MHz
Insertion Loss
IL
-
8.0
9.5
dB
5 dB Lower Frequency
-
219. 67
219.75
MHz
5 dB Upper Frequency
-
221. 01
221. 14
-
MHz
33 dB Lower Frequency
-
219.13
219.26
-
MHz
33 dB Upper Frequency
-
-
221.57
221.63
MHz
Attenuation at 219.13MHz *
IL
STOP
35
40
-
dB
Attenuation at 221.63MHz *
35
39.8
-
dB
Attenuation at 218.33MHz
-
47
-
dB
Attenuation at 222.43MHz
-
46
-
dB
Ripple over the fo
0.300MHz
Arip
-
0.8
1.2
dB
(P-P)
Phase Linearity at fo
0.615MHz
PL
-
1.2
3.5
deg rms
Ultimate Rejection
UR
-
50
dB
Source/Load Impedance **
-
-
50
/50
50
/500
-
note) "*" : Specified at 25
"**" : Can be used 50
to 1
with degradation in Insertion Loss.
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