L9615
EMC PERFORMANCE (TRANSMITTER)
4.7nF
TX0
50Ω
+5V
VS
GND
equivalent terminating resistor
2 x 120Ω parallel at line ends
C_H 30Ω
4.7nF
50Ω
C_L 30Ω
µV
TEK495
Analyzer
Transceiver Without Emc Reducing Measures
80
D96AT251 10000
70
ATTENUATION OF
3162
60
TRANSMITTER
1000
50
316.2
40
100
30
31.62
20
10
10
3.162
0
0
1
40
80 120 160 f(KHz)
EMC PERFORMANCE (Transceiver Sending)
50Ω
5V
+5V
250KHz
TX0
VS
GND
Transceiver Without Emc Reducing Measures
80
70
60
50
40
30
20
10
0
0
6/8
D96AT254 10000
3162
1000
316.2
100
31.62
10
3.162
1
40
80 120 160 f(KHz)
D96AT250
Transceiver With Emc Reducing Measures
80
70
60
50
40
30
20
10
0
0
D96AT252 10000
ATTENUATION OF
TRANSMITTER
3162
1000
316.2
100
31.62
10
3.162
1
40
80 120 160 f(KHz)
equivalent terminating resistor
2 x 120Ω parallel at line ends
C_H 30Ω
4.7nF 50Ω
C_L 30Ω
µV
TEK495
Analyzer
D96AT253
Transceiver With Emc Reducing Measures
80
70
60
50
40
30
20
10
0
0
D96AT255 10000
3162
1000
316.2
100
31.62
10
3.162
1
40
80 120 160 f(KHz)