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) …

The present invention relates to a mixer circuit and method of frequency transformation,
wherein an input signal is switched in accordance with a first local oscillator signal and in …

A sub-harmonically pumped mixer has an anti-parallel diode pair switchable at twice the
local oscillator frequency. Preferably, there are provided dual anti-parallel diode pairs. The …

ABSTRACT OF THE DISCLOSURE One disclosed embodiment of the invention is a bal
anced mixer which receives an input signal and a local oscillator signal, and generates an …

BACKGROUND OF THE INVENTION The present invention generally relates to the art of
controlling diode switches by an rf signal and, more speci? cally, to circuits, such as mixers …

Two output hybrid mixers each have an input port coupled to a respective output port of an
input hybrid having a pair of inputs respectively energized by signal and local oscillator …

The invention relates to a mixer circuit, a receiver comprising a mixer circuit, and a method of
mixing an input signal with an oscillator signal. A mixer circuit 300 according to the invention …

Zafman (57) ABSTRACT A double balanced active mixer is used for compensating an
asymmetric characteristic of complementary radio fre quency signals, to thereby improve …

The double-balanced mixer includes a diode ring (D1, D2, D3, D4) with respective
balancing circuit portions for a local oscillator signal (LO) and a high frequency signal (RF) …

BACKGROUND ART singly-balanced passive mixers have been used in prior art microwave
systems where a pair of mixer diodes has been symmetrically fed'by balanced compo nents …