Stages, each Stage including two identical branches, each branch of one of the two stages
including at least two bipolar transistors the bases of which define a first pair of input/output …

US5837589A - Method for making heterojunction bipolar mixer circuitry - Google Patents
US5837589A - Method for making heterojunction bipolar mixer circuitry - Google Patents …

A frequency conversion or synthesis circuit including a double balance differential active
ring mixer with a current shared active radio frequency (RF) input balun, suitable for use in …

An even order term mixer for mixing two ac input signals includes two bipolar junction
transistors (each having a base-emitter junction forward bias threshold voltage VT) with …

57 ABSTRACT A mixer includes a doubly-balanced mixer core, an RF input Section coupled
to the mixer core, and a biasing circuit coupled to the RF input section. The RF input section …

The present invention relates to a double-balanced mixer circuit. The double-balanced
mixer circuit consists of a? rst differential circuit formed of a? rst transistor and a second …

A transistor commuted double balanced mixer that uses a Gilbert cell mixer quad transistor
core. The RF input differential pair is deleted from the standard Gilbert cell mixer …

Accordingly, in a first aspect of the present invention, a stacked double balanced mixer
includes a double bal anced mixer and a first cross coupled differential mixer. The double …

A converter, transmitter and/or receiver for mixing an input Signal (I) having a first frequency
(RF) with an input Signal (I) coming from a local oscillator having a second frequency (LO) …

Balanced mixer circuit apparatus using two matched integrated circuit field effect transistors
as active elements wherein one input signal is applied to the gates of the transistors in …