Apparatus and method for providing oscillator signals

Patent metadata

Field	Value
Publication number	US-9484854-B2
Application number	US-201414580952-A
Country	US
Kind code	B2
Filing date	Dec 23, 2014
Priority date	Nov 28, 2014
Publication date	Nov 1, 2016
Grant date	Nov 1, 2016

Abstract

An apparatus for providing oscillator signals includes an oscillator circuit configured to generate a first oscillator signal with a first oscillator signal frequency for a frequency conversion of a first signal to be converted and to generate a second oscillator signal with a second oscillator signal frequency for a frequency conversion of a second signal to be converted. The oscillator circuit is configured to enable the generation of the first oscillator signal with the first oscillator signal frequency and the second oscillator signal with the second oscillator signal frequency based on at least two different possible oscillator circuit configurations. The control circuit is configured to select, based on the first oscillator signal frequency and the second oscillator signal frequency, one of the possible oscillator circuit configurations of the oscillator circuit for generating the first oscillator signal and the second oscillator signal.

First claim

The invention claimed is:

1. An apparatus for providing oscillator signals, comprising:
an oscillator circuit configured to generate a first oscillator signal with a first oscillator signal frequency for a frequency conversion of a first signal to be converted and to generate a second oscillator signal with a second oscillator signal frequency for a frequency conversion of a second signal to be converted,
wherein the oscillator circuit is configured to enable the generation of the first oscillator signal with the first oscillator signal frequency and the second oscillator signal with the second oscillator signal frequency based on at least two different possible oscillator circuit configurations; and
a control circuit configured to select, based on the first oscillator signal frequency and the second oscillator signal frequency, one of the possible oscillator circuit configurations of the oscillator circuit for generating the first oscillator signal and the second oscillator signal,
wherein the control circuit is configured to select a possible oscillator circuit configuration of the oscillator circuit from a plurality of predetermined possible oscillator circuit configurations stored in a memory module.

2. The apparatus according to claim 1 , wherein the oscillator circuit comprises a first controlled oscillator module and a second controlled oscillator module, wherein a first oscillator circuit configuration of the at least two different possible oscillator circuit configurations uses the first controlled oscillator module for the generation of the first oscillator signal and a second oscillator circuit configuration of the at least two different possible oscillator circuit configurations uses the second controlled oscillator module for the generation of the first oscillator signal.

3. The apparatus according to claim 1 , wherein the oscillator circuit comprises a controlled oscillator module configured to generate a controlled oscillator signal with adjustable oscillator signal frequency, wherein a first oscillator circuit configuration of the at least two different possible oscillator circuit configurations uses the controlled oscillator module adjusted to generate the controlled oscillator signal with a first controlled oscillator signal frequency for the generation of the first oscillator signal and a second oscillator circuit configuration of the at least two different possible oscillator circuit configurations uses the controlled oscillator module adjusted to generate the controlled oscillator signal with a second controlled oscillator signal frequency for the generation of the first oscillator signal.

4. The apparatus according to claim 2 , wherein each controlled oscillator module of the oscillator circuit comprises a variable controlled oscillator or a digital controlled oscillator.

5. The apparatus according to claim 1 , wherein each possible oscillator circuit configuration is based on a first controlled oscillator module coupled to at least one first frequency adjustment circuit selected from a plurality of frequency adjustment circuits for the generation of one of the first oscillator signal and the second oscillator signal and a second controlled oscillator module coupled to at least one second frequency adjustment circuit selected from the plurality of frequency adjustment circuits for the generation of the other of the first oscillator signal and the second oscillator signal.

6. The apparatus according to claim 1 , wherein the oscillator circuit comprises a first frequency adjustment circuit and a second frequency adjustment circuit, wherein a first oscillator circuit configuration of the at least two different possible oscillator circuit configurations uses the first frequency adjustment circuit for the generation of the first oscillator signal and a second oscillator circuit configuration of the at least two different possible oscillator circuit configurations uses the second frequency adjustment circuit for the generation of the first oscillator signal.

7. The apparatus according to claim 5 , wherein each frequency adjustment circuit comprises a frequency divider circuit for adjusting a frequency of a controlled oscillator signal generated by a controlled oscillator module.

8. The apparatus according to claim 1 , wherein the oscillator circuit is configured to generate one of the first oscillator signal and the second oscillator signal based on a first controlled oscillator signal generated by a first controlled oscillator module at a first controlled oscillator signal frequency and frequency adjusted by a first frequency adjustment factor associated with at least one first frequency adjustment circuit, and the other of the first oscillator signal and the second oscillator signal based on a second controlled oscillator signal generated by the second controlled oscillator module at a second controlled oscillator signal frequency and frequency adjusted by a second frequency adjustment factor associated with at least one second frequency adjustment circuit.

9. The apparatus according to claim 5 , wherein at least one of the first frequency adjustment circuit, the second frequency adjustment circuit, a first controlled oscillator signal frequency associated with the first controlled oscillator module and a second controlled oscillator signal frequency associated with the second controlled oscillator module is different in the at least two different possible oscillator circuit configurations.

10. The apparatus according to claim 1 , wherein each oscillator circuit configuration of the at least two oscillator circuit configurations comprises a first partial oscillator circuit configuration related to the generation of the first oscillator signal and a second partial oscillator circuit configuration related to the generation of the second oscillator signal.

11. The apparatus according to claim 1 , wherein the oscillator circuit comprises at least one multiplexer circuit configured to output at least one of the first oscillator signal and the second oscillator signal at an output terminal based on a selection of one of a plurality of multiplexer input signals provided by a plurality of frequency adjustment circuits.

12. The apparatus according to claim 1 , wherein the control circuit is configured to control a first controlled oscillator signal frequency of a first controlled oscillator signal generated by the first controlled oscillator module and a second controlled oscillator signal frequency of a second controlled oscillator signal generated by the second controlled oscillator module based on an oscillator circuit configuration selected by the control circuit.

13. The apparatus according to claim 1 , wherein the control circuit is configured to select the oscillator circuit configuration based on a cross-talk related information.

14. The apparatus according to claim 1 , wherein the control circuit is configured to select a default oscillator circuit configuration of the at least two oscillator circuit configurations if the cross-talk related information indicates that no predefined cross-talk condition is present.

15. An apparatus for providing oscillator signals, comprising:
an oscillator circuit configured to generate a first oscillator signal with a first oscillator signal frequency for a frequency conversion of a first signal to be converted and to generate a second oscillator signal with a second oscillator signal frequency for a frequency conversion of a second signal to be converted,
wherein the oscillator circuit is configured to enable the generation of the first oscillator signal with the first oscillator sig

Assignees

• Intel Ip Corp

Inventors

• Pretl Harald
• Haberpeuntner Guenther
• Neubauer Volker
• Broussev Svetozar
• Mayer Andreas
• Puerstinger Andreas

Classifications

• G06F1/08

  Clock generators with changeable or programmable clock frequency · CPC title

• H03B1/00 Primary

  Details · CPC title

• H03L7/099

  concerning mainly the controlled oscillator of the loop · CPC title

• H03L7/07 Primary

  using several loops, e.g. for redundant clock signal generation · CPC title

• G06F1/022

  Waveform generators, i.e. devices for generating periodical functions of time, e.g. direct digital synthesizers (G06F1/025, G06F1/03 take precedence) · CPC title