×

Low-power, noise insensitive communication channel using logarithmic detector amplifier (LDA) demodulator

  • US 9,048,943 B2
  • Filed: 03/14/2014
  • Issued: 06/02/2015
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
Patent Images

1. A low-power, noise insensitive communication channel comprising:

  • a first device comprising;

    a first modulator having an input to accept a baseband signal with encoded information, and an output to supply a modulated signal having a first carrier frequency, including the encoded information;

    a first interface connected to a hardwire transmission medium to supply the modulated signal;

    a second device comprising;

    a second interface connected to the hardline transmission medium;

    a first logarithmic detector amplifier (LDA) demodulator circuit having an input connected to the second interface, and an output to supply the baseband signal with the encoded information; and

    ,wherein the LDA demodulator circuit comprises a frequency-to-voltage converter (FVC) to accept a series of second frequency pulses having a rate of change at least twice that of an encoded information rate, and converts the series of second frequency pulses to a series of voltage levels at the encoded information rate.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×