| Patent Number |
Title Of Patent |
Date Issued |
| 7623000 |
Hybrid linear and polar modulation apparatus |
November 24, 2009 |
| The invention is directed at a hybrid modulation apparatus which combines a polar modulation circuit and a linear modulation circuit. The hybrid apparatus allows a communications device to function as a polar or a linear modulation circuit with less components as the output of the li |
| 7593701 |
Low noise CMOS transmitter circuit with high range of gain |
September 22, 2009 |
| A CMOS automatic gain control (AGC) circuit that receives an analog control voltage and generates a temperature compensated gain voltage to linearly control the gain of a variable gain circuit operating in the sub-threshold region. A PTAT circuit having a resistor network coupled to |
| 7554380 |
System for reducing second order intermodulation products from differential circuits |
June 30, 2009 |
| A passive CMOS differential mixer circuit with a mismatch correction circuit for balancing the electrical characteristics of the two output paths. Once the output paths of the differential circuit are balanced, or matched as closely as possible, second order intermodulation product g |