Claims
- 1. 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.
- 2. The component according to claim 1, wherein said series-path lines include:
a trimming line connected to said resonant circuit through said coupling capacitance; and a ground line.
- 3. The component according to claim 2, including a voltage divider setting a potential of said trimming line to a value between a potential of a supply voltage and a potential of said ground line.
- 4. The component according to claim 2, wherein each of said parallel-path diodes is a diode having a cathode connected to said trimming line.
- 5. The component according to claim 4, wherein said diode is a PIN diode.
- 6. The component according to claim 3, wherein each of said parallel-path diodes is a diode having a cathode connected to said trimming line.
- 7. The component according to claim 6, wherein said diode is a PIN diode.
- 8. The component according to claim 2, wherein each of said parallel-path capacitances is a capacitor connected to said ground line.
- 9. The component according to claim 2, wherein each of said parallel-path diodes has an anode, and including one of a pull-up resistor and a switching element, said switching element selectively setting said anode of each of said parallel-path diodes to one of:
a potential of a supply voltage through said pull-up resistor; and a potential of said ground line.
- 10. The component according to claim 9, wherein said switching element is a fusible link.
- 11. The component according to claim 10, including a fusing input connected to said fusible link.
- 12. The component according to claim 11, including series resistors each respectively protecting said anode of said parallel-path diodes.
- 13. The component according to claim 6, wherein each of said parallel-path diodes has an anode, and including one of a pull-up resistor and a switching element, said switching element selectively setting said anode of each of said parallel-path diodes to one of:
a potential of a supply voltage through said pull-up resistor; and a potential of said ground line.
- 14. The component according to claim 2, including a pull-up resistor, each of said parallel-path diodes having an anode selectively being set to a potential of a supply voltage through said pull-up resistor.
- 15. The component according to claim 2, wherein:
each of said parallel-path diodes has an anode; and a switching element selectively sets each anode of said parallel-path diodes to a potential of said ground line.
- 16. The component according to claim 2, wherein:
each of said parallel-path diodes has an anode; and switching elements selectively set a respective one of said anodes of said parallel-path diodes to a potential of said ground line.
- 17. 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.
Priority Claims (1)
Number |
Date |
Country |
Kind |
00107704.9 |
Apr 2000 |
EP |
|
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This application is a continuation of copending International Application No. PCT/EP01/02871, filed Mar. 14, 2001, which designated the United States and was not published in English.
Continuations (1)
|
Number |
Date |
Country |
Parent |
PCT/EP01/02871 |
Mar 2001 |
US |
Child |
10268176 |
Oct 2002 |
US |