KF836U Datasheet PDF - KEC

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KF836U
KEC

Part Number KF836U
Description Band Pass Filters
Page 5 Pages


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SAW FILTER
TECHNICAL DATA
Band pass filters for TX of AMPS/TDMA/CDMA.
High stability and reliability with good
performance and no adjustment.
Wide and sharp pass band characteristics.
Low insertion loss and deep stop band
attenuation for interference.
MAXIMUM RATINGS
ITEM
Input Signal Level
DC Permissive Voltage
Operating Temperature Range
Storage Temperature Range
SYMBOL
ISmax
VDC
Topr
Tstg
RATING
+10
5
-30+85
-40+85
UNIT
dBm
V
KF836U
SPECIFICATIONS FOR SAW FILTER
B
DIM MILLIMETERS
A 3.0+_ 0.1
B 3.0+_ 0.1
C 1.15+_ 0.12
A C D 1.50 TYP.
E 0.60 TYP.
F 0.85 TYP.
G 1.20 TYP.
D
34
25
16
E
F
PIN NO
13
46
2
5
FUNCTION
GROUND
SIGNAL
SIGNAL
SC-33
ELECTRICAL CHARACTERISTICS (Ta=-30 to 85)
ITEMS
SYMBOL
TEST CONDITION
Nominal Center Frequency
fo
-
Bandwidth
Insertion Loss
Ripple Level
BW3dB
ILPASS
ARIP
-
fO12.5MHz
fO12.5MHz
DC800MHz
Rejection Level
ILSTOP
8691049MHz
10491200MHz
Voltage Standing Wave Ratio
Input/Output Impedance
VSWR
ZI(ZO)
12002000MHz
fO12.5MHz
-
MIN. TYP.(25)
- 836.5
fO12.5
-
-
2.8
- 0.8
43 48
28 33
50 65
30 35
- 1.5
- 50
MAX.
-
-
3.5
1.6
-
-
-
-
2.0
-
UNIT
MHz
MHz
dB
dB
dB
-
-
MARKING
KHC
2001. 11. 16
Revision No : 2
Lot No.
1/5



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KF836U
TEST CIRCUIT
REFERENCE LEVEL TEST CIRCUIT
ZI
Rs R
SSG
0dBm
ZO
R
RS, RL : 50(Internal Impedance of Source and Load)
R : 0
ZI(ZO)=RS(RL)+R
DET
RL
MEASUREMENT CIRCUIT
Rs
SSG
ZI
R
34
25
16
ZO
R
RL
DET
2 : INPUT 1 , 3 , 4 , 6 : GROUND 5 : OUTPUT
RS, RL : 50(Internal Impedance of Source and Load)
R : 0
ZI(ZO)=RS(RL)+R
2001. 11. 16
Revision No : 2
2/5



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KF836U
S21 LOG
1 : -2.7807dB
824MHz
2 : -2.7603dB
849MHz
3 : -48.125dB
800MHz
4 : -34.021dB
869MHz
10dB /
1
2
REF 0dB
4
3
CENTER 836.5 MHz
SPAN 300 MHz
S11 SWR
1 / REF 1
3 4 1 : 1.1948
824MHz
2 : 1.2103
849MHz
3 : 30.292
800MHz
4 : 33.844
869MHz
2001. 11. 16
CENTER 836.5 MHz
1
2
SPAN 300 MHz
Revision No : 2
3/5



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KF836U
S11 1UFS
1
2
3
1 : 43.492
5.1719
998.94pH
824MHz
2 : 60.432
-1.2383
849MHz
3 : 1.9111
-19.857
800MHz
4 : 10.387
-122.47
869MHz
4
CENTER 836.5 MHz
SPAN 300 MHz
S22 1UFS
2001. 11. 16
1
2
1 : 39.992
4.3008
830.69pH
824MHz
2 : 57.895
0.5918
849MHz
3 : 1.9268
-17.527
800MHz
4 : 8.9648
-114.52
3 869MHz
4
CENTER 836.5 MHz
Revision No : 2
SPAN 300 MHz
4/5



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