Table 14-1 Measured results of FSK demodulator. (Vin = 4V) Carrier Signal Frequencies
FSK I/P
TP1
TP2
TP3
TP4
TP5
TP6
TP7
870 Hz
Carrier Signal Frequencies
TP8 870 Hz
Table 14-2 Measured results of FSK demodulator. (Vin = 4V)
Data O/P
Carrier Signal Frequencies
FSK I/P
TP1
TP2
TP3
TP4
TP5
1370 Hz
Carrier Signal Frequencies
1370 Hz
TP6
TP7
TP8
Data O/P
Table 14-3 Measured results of FSK demodulator by using 2206 IC. (J3 , J5 SC;J2 ,J4 OC) Carrier Signal Frequencies
Data I/P
TP1
TP2
TP3
Vp = 5V 150 Hz
Carrier Signal Frequencies
TP4
TP5
TP6
TP7
TP8
Data O/P
Vp = 5V 150 Hz