KF881U Datasheet PDF - KEC

www.Datasheet-PDF.com

KF881U
KEC

Part Number KF881U
Description Band Pass Filters
Page 5 Pages


KF881U datasheet pdf
Download PDF
KF881U pdf
View PDF for Mobile

No Preview Available !

SAW FILTER
TECHNICAL DATA
Band pass filters for RX 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
KF881U
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
-
fO 12.5MHz
fO 12.5MHz
DC 779MHz
779 849MHz
Rejection Level
ILSTOP
914 970MHz
970 1049MHz
1049 2000MHz
Voltage Standing Wave Ratio
Input/Output Impedance
VSWR
ZI(ZO)
fO 12.5MHz
-
MIN. TYP.(25 )
- 881.5
fO 12.5
-
-
3.0
- 0.8
50 55
45 48
20 24
50 52
40 43
- 1.5
- 50
MAX.
-
-
3.5
1.6
-
-
-
-
2.0
-
UNIT
MHz
MHz
dB
dB
dB
-
-
MARKING
KHD
2002. 10. 30
Revision No : 3
Lot No.
1/5



No Preview Available !

KF881U
TEST CIRCUIT
REFERENCE LEVEL TEST CIRCUIT
ZI
Rs R
SSG
0dBm
ZO
R
RL
DET
RS, RL : 50 (Internal Impedance of Source and Load)
R:0
ZI(ZO)=RS(RL)+R
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
2002. 10. 30
Revision No : 3
2/5



No Preview Available !

KF881U
S21 LOG
1 : -2.3603dB
869MHz
2 : -1.9327dB
881.5MHz
3 : -2.4757dB
894MHz
4 : -57.632dB
849MHz
5 : -58.350dB
824MHz
7dB / REF 0 dB
1
23
4
5
CENTER 881.5 MHz
SPAN 300 MHz
S11 SWR
1 : 1.1006dB
869MHz
2 : 1.5413dB
881.5MHz
3 : 1.5235dB
894MHz
4 : 16.740dB
849MHz
5 : 12.828dB
824MHz
5
1 / REF 1
4
2002. 10. 30
CENTER 881.5 MHz
1
23
Revision No : 3
SPAN 300 MHz
3/5



No Preview Available !

KF881U
S11 1UFS
4
5
CENTER 881.5 MHz
1
3
2
1 : 45.949
2.1777Ω
398.85pH
869MHz
2 : 72.719
-13.234
881.5MHz
3 : 74.281
-8.8633
894MHz
4 : 3.0566
-7.6396
849MHz
5 : 5.0322
-26.872
824MHz
SPAN 300 MHz
2002. 10. 30
S22 1UFS
4
5
CENTER 881.5 MHz
Revision No : 3
1
3
2
1 : 45.758
1.4746Ω
270.07pH
869MHz
2 : 67.961
. -15.672
881.5MHz
3 : 74.324
−11.855Ω
894MHz
4 : 3.0313
-7.6519
849MHz
5 : 4.6553
-26.717
824MHz
SPAN 300 MHz
4/5



KF881U datasheet pdf
Download PDF
KF881U pdf
View PDF for Mobile


Related : Start with KF881 Part Numbers by
KF881FU SPECIFICATIONS FOR SAW FILTER(BAND PASS FILTERS FOR TX OF AMPS/TDMA/CDMA) KF881FU
KEC(Korea Electronics)
KF881FU pdf
KF881U Band Pass Filters KF881U
KEC
KF881U pdf

Index :   0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z   

This is a individually operated, non profit site. If this site is good enough to show, please introduce this site to others.
Since 2010   ::   HOME   ::   Contact