Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments

  • US 7,929,638 B2
  • Filed: 01/14/2010
  • Issued: 04/19/2011
  • Est. Priority Date: 04/16/1999
  • Status: Expired due to Fees
First Claim
Patent Images

1. A wireless modem apparatus, comprising:

  • a balanced transmitter for up-converting a baseband signal, said balanced transmitter including,an inverter, to receive said baseband signal and generate an inverted baseband signal;

    a first controlled switch, coupled to a non-inverting output of said inverter, said first controlled switch to sample said baseband signal according to a first control signal, resulting in a first harmonically rich signal;

    a second controlled switch, coupled to an inverting output of said inverter, said second controlled switch to sample said inverted baseband signal according to a second control signal, resulting in a second harmonically rich signal; and

    a combiner, coupled to an output of said first controlled switch and an output of said second controlled switch, said combiner to combine said first harmonically rich signal and said second harmonically rich signal, resulting in a third harmonically rich signal.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×