Diode mixer with bias control and its use

Details Diode mixer with bias control and its use Diode mixer with bias control and its use

H - Electricity

03

D

325/116

H03D 7/02 (2006.01) H03J 5/02 (2006.01)

Patent

CA 1217236

ABSTRACT OF THE DISCLOSURE A diode mixer arrangement including a mixer stage connected for receiving a signal having a frequency to be converted and an oscillator signal having one of a plurality of preselectable oscillator frequencies. The mixer stage includes diodes arranged to be biased by a predetermined direct control voltage for the compensation of parasitic influences. A voltage branch is connected to the mixer stage for producing the predetermined direct control voltage. The voltage branch includes a memory device for storing a plurality of data signals each of which represents a predetermined direct control voltage corresponding to a respective one of the plurality of preselectable oscillator frequencies. The memory device has an input for receiving an input signal which represents the preselectable oscil- lator frequency of the oscillator signal received by the mixer stage and an output for reading out the corresponding data signal which is used by the voltage branch to generate the predetermined direct control voltage. - 1 -

449690

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