TQM8 Variable Gain Amplifiers Qorvo TQM8 Variable Gain Amplifiers are offered in analog and digitally controlled variants. They feature high performance, high linearity and low noise with different devices offering a variety of other features. The TQM8M9079 is an analog controlled variable gain amplifier. The TQM8M9079 integrates a high linearity, low noise amplifier for the first stage, followed by a broadband voltage variable attenuator with a high performance amplifier. The TQM8M9075, TQM8M9077, TQM8790 are Digitally controlled Variable Gain Amplifiers (DVGA). All of these devices are ideal for use in wireless infrastructure, point-to-point or can be used for any general purpose wireless application.