Integrated radiofrequency circuit component having a trimming diode controlled by a trimming voltage provided by a D/A converter

An integrated circuit component for radiofrequency applications in a predetermined frequency range, the circuit component comprising:

• a first terminal for a tuning voltage;
• a second terminal for a trimming voltage;
• a resonant circuit including an inductor, a tuning diode and a capacitor having a capacitance value being set by said tuning diode, said tuning diode connected to said first terminal, said resonant circuit exhibiting a resonant frequency, said resonant circuit including a trimming diode for compensating for production-dictated deviations in said resonant frequency of said resonant circuit, said trimming diode connected to said second terminal;
• and
• a digital-to-analog converter for generating the trimming voltage from a reference voltage and a supply voltage in accordance with a digital value;
• said digital-to-analog converter having an output connected to said second terminal;
• said digital-to-analog converter including a chain of series-path resistors and parallel-path resistors connected between said series-path resistors;
• said digital-to-analog converter including fusible links;
• said digital-to-analog converter including a ground line for receiving a ground potential and a reference voltage line for receiving the reference voltage;
• said fusible links connected to at least one of said parallel-path resistors;
• said fusible links configured for selectively connecting said parallel path resistors to a line selected from a group consisting of said ground line and said reference voltage line;
• and
• said trimming diode being controlled by the trimming voltage.