Patent ID: 11909429
Assignee: HUGHES NETWORK SYSTEMS, LLC
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A radiofrequency down converter, comprising:
an input port to receive a radiofrequency input signal;
a first bandpass filter comprising a microwave waveguide, the first bandpass filter being coupled to the input port and being configured to filter the radiofrequency input signal;
a mixer stage coupled to the first bandpass filter, the mixer stage being configured to generate a mixer output signal by processing the filtered radiofrequency input signal using a gain adjustment device, one or more amplifiers, and a frequency mixer;
a signal adjustment stage coupled to receive the mixer output signal, the signal adjustment stage comprising: a temperature compensation device configured to compensate for changes in signal gain or attenuation due to changes in temperature; a second bandpass filter; a gain adjustment device; one or more amplifiers; and a low pass filter; and
an output port coupled to output an adjusted mixer output signal from the signal adjustment stage.