BRANCHY
FC0433D92C110
June 25, 2003
1
BRANCHY TECHNOLOGY CO., LTD.
TEL : ( 886 ) -3-4391499
No. 171, Tien-Tsin St., Pin-Chin City, Tao Yuan Hsien, Taiwan, R.O.C.
FAX : ( 886 ) -3-4395578
Maximum Ratings
Ordering code
Marking
FC0433D92C110
FC0433C1, date code
Electrical Characteristics
Ambient temperature
Source impedance
Load impedance
Ta = 25 C
Zs = 50 W and matching network.
ZL = 50W and matching network.
Characteristic
Sym
Min.
Typ.
Max.
Units
Center Frequency ( Between -3dB points )
fc
433.82
433.92
434.02
MHz
Insertion Loss
IL
-----
3.0
5.0
dB
3 dB bandwidth
BW
3
500
650
800
KHz
Rejection
At fc 10.7 MHz
20
30
dB
At fc 21.4 MHz
38
45
dB
dB
Impedance at 433.92 MHz
Input : Zin = Rin \\ Cin
150\\ 4.7
W \\ pF
Output : Zout = Rout \\ Cin
150\\ 4.7
W \\ pF
Temperature Stability
Turnover Temperature
To
10
25
40
C
Turnover Frequency
fo
fc
MHz
Temperature Coefficient FTC
-----
0.033
-----
ppm/C
Frequency aging
fa
-----
10
50
ppm/yr
1. Temperature dependance of fc : fc ( Ta ) = fc ( To ) ( 1- FTC ( Ta - To) )
Rating
Value
Units
CW RF Power Dissipation
10
dBm
DC voltage Between Terminals
15
VDC
Operating Temperature Range
-40 / +85
C
Storage Temperature Range
-40 / +85
C
Soldering Temperature
+250
C
Electrostatic Sensitive Device ( ESD )
433.920MHz Low-loss Filter
Features
l
RF Low-Loss Filter For Remote Control Receivers
l
Excellent Rejection
l
Simple External Impedance Matching
4,8 : Case Ground
Pin Configuration
2 : Input
1 : Input Ground
8
4
7 6 5
1 2 3
3,7 : to be grounded
5 : Output
6 : Output Ground
BRANCHY
FC0433D92C110
June 25, 2003
2
BRANCHY TECHNOLOGY CO., LTD.
TEL : ( 886 ) -3-4391499
No. 171, Tien-Tsin St., Pin-Chin City, Tao Yuan Hsien, Taiwan, R.O.C.
FAX : ( 886 ) -3-4395578
To 50W
Network Analyzer
To 50W
Network Analyzer
4
8
L1
C1
C2
Ground : 1,3,4,6,7,8
L2
5
6
3
2
1
7
Typical Filter Response:
Typical Test Circuit:
Matching network to 50 W (element values depend on pcb layout and equivalent circuit)
409
414
419
424
429
434
439
444
449
454
459
Frequency (MHz)
-60
-50
-40
-30
-20
-10
0
C1= 5 pF
L1=32 nH
L2=32 nH
C2= 5 pF
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