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BELL SYSTEM TECHNICAL JOURNAL 



region when Ra is large. In the limit as Ra approaches infinity, we may 

 show that the relation between f o and V approaches: 



(2.15) 



15 20 25 



P„ IN VOLTS 



Fig. 9. — Performance of 3/2 — power-law rectifier as an envelope detector with impedance 

 of signal generator low except in signal band. 



Fig. 10. — Performance of 3/2 — power-law rectifier as an envelope detector with impedance 

 of signal generator low except in signal l)and. 



The corresponding limiting formula for D is 



(2.16) 



