US7460612B2 - Method and apparatus for a fully digital quadrature modulator - Google
Patents US7460612B2 - Method and apparatus for a fully digital quadrature modulator …

An implantable medical device comprising a far field RF transmitter and receiver, a controller
circuit communicatively coupled to the RF transmitter and receiver, and a wakeup timer …

An ampli? er receives an amplitude signal of a polar modu lated signal at a base terminal of
a transistor and receives a phase modulated carrier signal of the polar modulated signal at …

The invention relates to a system for electromagnetic processing of an input wave involving
receiving a modified signal derived from two or more signals that represent the input wave …

BACKGROUND 0002 There are many benefits to using polar modulation as a means of
transmitting information. Polar modulation makes possible the application of the amplitude …

The invention relates to a system for electromagnetic processing of an input wave involving
the steps of receiving a modified signal derived from two or more signals that represent the …

(57) ABSTRACT A system including an external medical data telemetry device to
communicate with an implantable medical device (IMD). The external medical data telemetry …

(57) ABSTRACT A diversity antenna system including a plurality of antennas can include an
antenna interface circuit configured to connect an antenna of the plurality of antennas to a …

3: 2 A 88: Nota et al. 7,903,043 B2 3/2011 Rawat et al. 5,843.139 A 12/1998 Skeet al
2001/0027331 A1 10/2001 Thompson 5,881.101 A 3/1999 Furmaneral, 2001/0047125 A1 1 …

Techniques are provided herein to reduce LO leakage by controlling the amplitude of the LO
signal based on the level of the output signal after the frequency conversion process. The …