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US 2003/0067362 A1Published application
Component having an integrated radiofrequency circuit
AssigneeInfineon Technologies AG
InventorsReinhard Losehand, Hubert Werthmann, Ulf Bartl
Life of this patent
Estimating the term…
Abstract
A conductor network includes trimming capacitors and is connected in parallel with a resonant circuit. The trimming capacitors can be connected in parallel with the variable-capacitance diodes in the resonant circuit through PIN diodes, enabling trimming of the resonant circuit.
Claims17
An integrated radiofrequency circuit component, comprising:
- a tuning diode;
- a resonant circuit connected to said tuning diode, said resonant circuit having:
- a resonant frequency;
- and
- an oscillator capacitance having a value set in a predetermined frequency range by said tuning diode;
- a coupling capacitance connected to said resonant circuit;
- and
- a conductor network for compensation of production related deviations in said resonant frequency, said conductor network being coupled to said resonant circuit through said coupling capacitance and having:
- series-path lines;
- series-connected parallel-path diodes each having an operating point, said series-connected parallel-path diodes disposed between said series-path lines;
- parallel-path capacitances disposed between said series-path lines;
- and
- a switchable DC voltage network, said parallel-path diodes and said parallel-path capacitances respectively being connected in parallel with said oscillator capacitance when said operating point of said parallel-path diodes is set with said DC voltage network.
10 more elements
An electronic component, comprising:
- an integrated radiofrequency circuit having:
- a tuning diode;
- a resonant circuit connected to said tuning diode, said resonant circuit having:
- a resonant frequency;
- and
- an oscillator capacitance having a value set in a predetermined frequency range by said tuning diode;
- a coupling capacitance connected to said resonant circuit;
- and
- a conductor network for compensation of production related deviations in said resonant frequency, said conductor network being coupled to said resonant circuit through said coupling capacitance and having:
- series-path lines;
- series-connected parallel-path diodes each having an operating point, said series-connected parallel-path diodes disposed between said series-path lines;
- parallel-path capacitances disposed between said series-path lines;
- and
- a switchable DC voltage network, said parallel-path diodes and said parallel-path capacitances respectively being connected in parallel with said oscillator capacitance when said operating point of said parallel-path diodes is set with said DC voltage network.
11 more elements
Dependencies are inferred from the claim text.