GAIN CONTROL SIGNAL GENERATOR THAT TRACKS OPERATING VARIATIONS DUE TO VARIATIONS IN MANUFACTURING PROCESSES AND OPERATING CONDITIONS BY TRACKING VARIATIONS IN DC BIASING

摘要

Differential with consistent circuit the gain is the same the device and having a size transistors, the gain control to the signal station and bugger differential voltage phase to each track, the change in the dc bias current that is used for the power of the mixing stage in a gain control and signal mixing stage signal mixing is maintained by using a gain control voltage to provide appointed the gain controller. This provides a circuit and method for producing an operating voltage and independent of the gain element to changes in the circuit operation due to changes in temperature. Automatically to such a gain controller based on the variable gain control elements and track changes in the circuit operation due to the change in the circuit production process by track the change in the dc bias and operating voltage and temperature used in the power of the gain control and signal mixing a short- It provides a compensating gain control signal. Such a tracking of the biasing by the gain control provides an increased dynamic range.