Si4320
Input impedance
Measured input return loss on the demo boards with suggested matching circuit
315 MHz Matching to 50 Ohm
g
433 MHz Matching to 50 Ohm
magdB(S11)
magdB(S11)
0
0
-5
-5
-10
-15
-20
-25
-30
-35
-40
-10
-15
-20
-25
-30
-35
-40
200
220
240
260
280
300
320
340
360
380
400
200
220
240
260
280
300
320
340
360
380
400
freq. [MHz]
868 and 915 MHz Matching to 50 Ohm
freq. [MHz]
Input Matching circuit
magdB(S11)
to LNA
0
-5
50ohm
C1
-10
AC
L1
LNA 250ohm
-15
to LNA
-20
C1
-25
-30
-35
Frequency [MHz]
L1 [nH]
C1 [pF]
-40
800
820
840
860
880
900
920
940
960
980
1000
915
868
15
15
3
3
freq. [MHz]
433
315
36
56
7
9
32
相关PDF资料
SI4322-A0-FT IC RX FSK UNI 868/915MHZ 16TSSOP
SI4324DY-T1-GE3 MOSFET N-CH D-S 30V 8-SOIC
SI4330-B1-FM IC RCVR ISM 960MHZ 3.6V 20-QFN
SI4354DY-T1-GE3 MOSFET N-CH D-S 30V 8-SOIC
SI4355-B1A-FM IC EZRADIO FM RECEIVER SI4355
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