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The Designer's Guide Community Forum › Design › Analog Design › A GFSK demodulator for low-IF Bluetooth receiver
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A GFSK demodulator for low-IF Bluetooth receiver (Read 431 times)
blue111
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A GFSK demodulator for low-IF Bluetooth receiver
Feb 11th, 2021, 1:49am  
For A GFSK demodulator for low-IF Bluetooth receiver , how does the shape-keeping circuit in figure 4(c) works ?

Besides, why need the NOR gate before the input to the shape-keeping circuit ?

Why if R3 is changed to 50 ohm, then the whole circuit cannot simulate at all ?  
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