Low Voltage CTCSS Encoder/Decoder
8
MX465
4.3
Filter Response
Gain (dB)
0
-10
-20
-30
-33
CTCSS Frequencies
Voiceband Frequencies
-40
-50
-60
-70
100
200
250.3
300
400
Frequency (Hz)
Figure 3 : Voiceband Filter Response
4.4
Serial and Parallel Mode Timing
D0-D5
RX/TX, PTL
t
SP
t
L
LOAD/LATCH
Figure 4 : Parallel Mode
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