kfm220m Korea Electronics (KEC GROUP), kfm220m Datasheet
kfm220m
Manufacturer Part Number
kfm220m
Description
Specifications For Saw Filter
Manufacturer
Korea Electronics (KEC GROUP)
Datasheet
1.KFM220M.pdf
(3 pages)
2001. 12. 14
ELECTRICAL CHARACTERISTICS
Band pass filter for Korean PCS IF stage.
MAXIMUM RATING
note) "*" : Specified at 25
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 **
Input Signal Level
DC Permissive Voltage
Operating Temperature Range
Storage Temperature Range
Low Insertion Loss.
Balanced or Unbalanced operation possible.
Source impedance : 50K single and matching circuit.
Load impedance : 500K balanced and matching circuit.
"**" : Can be used 50K to 1L with degradation in Insertion Loss.
MARKING
ITEM
ITEMS
K
M220
Revision No : 1
*
*
TECHNICAL DATA
SAW FILTER
SYMBOL
IS
V
T
T
max
opr
DC
stg
Lot No.
SYMBOL
IL
Arip
RATING
-30 +80
-40 +85
UR
PL
fo
IL
STOP
-
-
-
-
-
10
0
UNIT
dBm
221. 01
219.13
MIN.
V
35
35
-
-
-
-
-
-
-
-
-
50K/500K
50K/50K
219. 67
221. 14
220.38
219.26
221.57
TYP.
39.8
8.0
0.8
1.2
SPECIFICATIONS FOR SAW FILTER
40
47
46
50
6
5
4
7
3
H
B
8
2
G
KFM220M
D
9
1
10
11
12
SC-57
0.5 INDEX MARK
219.75
221.63
MAX.
9.5
1.2
3.5
-
-
-
-
-
-
-
-
DIM
A
B
C
D
G
H
E
F
MILLIMETERS
5.00 0.15
7.00 0.15
2.00MAX
deg rms
dB
UNIT
0.60
2.54
1.00
0.67
1.27
MHz
MHz
MHz
MHz
MHz
+ _
+ _
dB
dB
dB
dB
dB
dB
K
(P-P)
1/3
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kfm220m Summary of contents
Page 1
... -30 +80 opr T -40 +85 stg Lot No. SYMBOL MIN 221 219. STOP - - Arip - KFM220M SPECIFICATIONS FOR SAW FILTER B DIM MILLIMETERS + _ A 5.00 0. 7.00 0.15 C 2.00MAX D 0. 1.00 G 0. 0.5 INDEX MARK G SC-57 TYP. MAX. ...
Page 2
... Ohm =100nH ( =100nH (Q 2 Matching Circuit (50 ohm single ended source / 500 ohm balanced load) Circular Index Mark Ohm 2001. 12. 14 Revision KFM220M >60 =36pF >60 =36pF ...
Page 3
... Revision KFM220M HORIZONTAL : 1MHz/Div VERTICAL : 8dB/Div HORIZONTAL : 0.2MHz/Div VERTICAL : 1dB/Div HORIZONTAL : 7.5MHz/Div VERTICAL : 10dB/Div 3/3 ...