TA0321
3 22kHz Tone and DiSEqC (Digital Satellite Equipment Control) Encoding
3.1 22 kHz Wave shape and details
Carrier frequency
Carrier amplitude
Modulation mark period
Modulation space period
22 kHz ±2 kHz over line and temperature
650 mVpp ±250 mV
500 µs ±100 µs
1 ms ±200 µs
3.2 Modulation method
Figure 3. Modulation scheme
Figure 4. Timing diagram for tone burst control signal
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