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[SOLVED] DPSK demodulator circuit

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In **broken link removed** , how to obtain the two MSB waveform signals in orange and green colors from Pulse+ and Pulse- signals ?

vEAtCXA.png
 

Counting two consecutive clipper pulses between resets.
 

I already read that section 3.1
let me rephrase my question.

Why would the orange Pulse+ signal needs active-low Reset signal ?

Why would the green Pulse- signal needs active-high Reset signal ?
 

It's apparently the other way around. Two orange pulse+ while DPSK is low generate an output pulse.
 
This circuit is only for demodulating DBPSK if I am not wrong ?

What about DQPSK and 8-DPSK ?
 

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