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

US6046486A - Heterojunction bipoplar mixer circuitry - Google Patents US6046486A -
Heterojunction bipoplar mixer circuitry - Google Patents Heterojunction bipoplar mixer circuitry …

2. Description of the Related Art Mixer circuits for high frequency applications constructed
using metal oxide semiconductor (MOS) transistors are sub ject to a limited Voltage Supply …

Mixer circuitry having a semiconductor body formed therein mixer circuitry having an
oscillator having a heterojunction bipolar transistor and a mixer having a Schottky diode …

BACKGROUND OF THE INVENTION The invention relates to a mixer/oscillator circuit
comprising a mixer stage with an oscillator stage ccon nected thereto. When coupling an …

(57) ABSTRACT A mixer apparatus has a double-balanced or Gilbert-cell based mixer core
and respective transmission lines, inductors in particular, between the local oscillating (LO) …

BACKGROUND The invention relates to an amplifier-mixer device com prising: an amplifier
structure having at least one amplifier input and at least one amplifier output, while at least …

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 …

According to one aspect of the present invention, there is provided a mixer, comprising: first
and second field effect transistors, each having a gate, a source and a drain, the drains …

This invention relates to improvements in mixing cir cuits or apparatus, and more particularly
to a tuned semi conductor mixer circuit and apparatus. As will be readily understood by …