KEC KF836U Datasheet
SAW FILTER
KF836U
TECHNICAL DATA
Band pass filters for TX of AMPS/TDMA/CDMA.
ᴌHigh stability and reliability with good
performance and no adjustment.
ᴌWide and sharp pass band characteristics.
ᴌLow insertion loss and deep stop band
attenuation for interference.
MAXIMUM RATINGS
ITEM SYMBOL RATING UNIT
Input Signal Level
DC Permissive Voltage
Operating Temperature Range
Storage Temperature Range
IS
max
V
DC
T
opr
T
stg
+10 dBm
5 V
-30ᴕ+85 ᴱ
-40ᴕ+85
ᴱ
SPECIFICATIONS FOR SAW FILTER
C
DIM MILLIMETERS
A
3.0 0.1
B
3.0 0.1
CG1.15 0.12
D
1.50 TYP.
E
0.60 TYP.
F
0.85 TYP.
1.20 TYP.
FUNCTION
PIN NO
1
3
GROUND
6
4
2
SIGNAL
5
SIGNAL
B
A
D
4
3
GG
5
2
1
E
6
F
_
+
_
+
_
+
SC-33
ELECTRICAL CHARACTERISTICS (Ta=-30 to 85ᴱ)
ITEMS SYMBOL TEST CONDITION MIN.
TYP.(25ᴱ)
Nominal Center Frequency fo - - 836.5 - MHz
Bandwidth
Insertion Loss
Ripple Level
Rejection Level
BW
IL
A
IL
3dB
PASS
RIP
STOP
Voltage Standing Wave Ratio VSWR
Input/Output Impedance
ZI(ZO)
-
fOᴦ12.5MHz
fOᴦ12.5MHz
DCᴕ800MHz
869ᴕ1049MHz
1049ᴕ1200MHz
1200ᴕ2000MHz
fOᴦ12.5MHz
- -
fOᴦ12.5
- - MHz
- 2.8 3.5 dB
- 0.8 1.6 dB
43 48 -
28 33 -
50 65 -
30 35 -
- 1.5 2.0 -
50ή
MAX. UNIT
- -
dB
MARKING
K H C
Lot No.
2001. 11. 16 1/5
Revision No : 2
TEST CIRCUIT
REFERENCE LEVEL TEST CIRCUIT
KF836U
R
s
SSG
0dBm
RS, RL: 50ή (Internal Impedance of Source and Load)
R : 0ή
Z
)=RS(RL)+R
I(ZO
MEASUREMENT CIRCUIT
Z
I
Z
O
RR
DET
R
L
SSG
Z
I
4
RR
s
3
5
2
6
1
2 : INPUT 1 , 3 , 4 , 6 : GROUND 5 : OUTPUT
RS, RL: 50ή (Internal Impedance of Source and Load)
R : 0ή
Z
)=RS(RL)+R
I(ZO
Z
O
R
DET
R
L
2001. 11. 16 2/5
Revision No : 2
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