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4. Service
I R Tr a n s m i s s i o n
Repeat period of RC signal.
RC signal is sent as 67.5 msec. periods.
The sent order is 1
RC signal is sent as 67.5 msec. periods.
The sent order is 1
st
“D” (head type) code, and then
pair of
“d” (back type).
One RC code is consisted by 1 pair of
“D” (head type)
and
“d” (back type) code set.
PPM modulation uses period of pulse, for judging
logic “1” and “0”.
When the signal period is 2.11(=T) msec., it means
“1”. And if the period is 1.05 (T/2) msec.,it means “0”.
logic “1” and “0”.
When the signal period is 2.11(=T) msec., it means
“1”. And if the period is 1.05 (T/2) msec.,it means “0”.
Logic “1”
Logic “0”
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