Abstract: Technologies are provided for variable gain amplifiers (VGAs). An example VGA includes a resistor ladder network comprising resistor legs coupled to a first plurality of resistors and a second plurality of resistors, a first set of differential switches connected to the resistor ladder network, a second set of differential switches connected to a set of output nodes, a third set of differential switches connected to the resistor ladder network, a fourth set of differential switches connected to the set of output nodes, and a fifth transistor and a sixth transistor comprising a differential pair coupled to a differential input signal. The fifth transistor is connected to the first set of differential switches and the sixth transistor connected to the third set of differential switches.

Abstract: Technologies are provided for variable gain amplifiers (VGAs).

Abstract: Technologies are provided for variable gain amplifiers (VGAs).

Abstract: A frequency conversion device for transforming a frequency of an input signal, the device comprising: a signal generator for providing a plurality N of first signals at a first frequency, where N?1, from an input signal having an in-phase component I and a quadrature signal component Q; an oscillator for generating N parallel oscillation signals, wherein the N oscillation signals are stepped in phase with respect to one another; a mixer comprising N mixing components, each mixing component being coupled to receive a respective one of the plurality of first signals and coupled to receive a respective oscillation signal for mixing the respective first signal with the corresponding oscillation signal to provide an output signal; and a common amplifier for receiving the N output signals from the N mixing components in N sequential phases for transmission.

Abstract: A frequency conversion device for transforming a frequency of an input signal, the device comprising: a signal generator for providing a plurality N of first signals at a first frequency, where N?1, from an input signal having an in-phase component I and a quadrature signal component Q; an oscillator for generating N parallel oscillation signals, wherein the N oscillation signals are stepped in phase with respect to one another; a mixer comprising N mixing components, each mixing component being coupled to receive a respective one of the plurality of first signals and coupled to receive a respective oscillation signal for mixing the respective first signal with the corresponding oscillation signal to provide an output signal; and a common amplifier for receiving the N output signals from the N mixing components in N sequential phases for transmission.