Transmission arrangement and method for analyzing an amplified transmission signal

Patent metadata

Field	Value
Publication number	US-9331795-B2
Application number	US-201414183610-A
Country	US
Kind code	B2
Filing date	Feb 19, 2014
Priority date	Feb 22, 2013
Publication date	May 3, 2016
Grant date	May 3, 2016

Abstract

A transmission arrangement is disclosed having an amplifier which is set up to amplify a transmission signal and to provide it as an amplified transmission signal in differential form, an analysis circuit for determining a property of the amplified transmission signal, and a differential feedback path which is set up to supply the amplified transmission signal to the analysis circuit in differential form.

First claim

What is claimed is:

1. A transmission arrangement, comprising:
an amplifier which is set up to amplify a transmission signal and to provide it as an amplified transmission signal in differential form;
an analysis circuit for determining a property of the amplified transmission signal;
a differential feedback path which is set up to supply the amplified transmission signal to the analysis circuit in differential form; and
an output element which is set up to output the amplified transmission signal from an output path of the amplifier and to supply it to the feedback path;
wherein the output path has a matching network and the output element is set up to inductively output the amplified transmission signal from the matching network.

2. The transmission arrangement of claim 1 ,
wherein the analysis circuit comprises a feedback receiver configured to receive the amplified transmission signal in differential form.

3. The transmission arrangement of claim 1 ,
wherein the feedback receiver and the amplifier are arranged in a package.

4. The transmission arrangement of claim 1 ,
wherein the feedback receiver and the amplifier are arranged on a chip.

5. The transmission arrangement of claim 1 ,
wherein the transmission signal is a modulated transmission signal; and
wherein the feedback receiver has a demodulator which is set up to demodulate the amplified transmission signal.

6. The transmission arrangement of claim 1 , further comprising:
a transmission device which is set up to generate the transmission signal.

7. The transmission arrangement of claim 6 ,
wherein the transmission device, the analysis circuit and the amplifier are arranged in a package.

8. The transmission arrangement of claim 6 ,
wherein the transmission device, the analysis circuit and the amplifier are arranged on a chip.

9. The transmission arrangement of claim 6 , further comprising:
a control device which is set up to control the transmission device for transmission signal generation on the basis of the determined property.

10. The transmission arrangement of claim 1 ,
wherein the amplifier is set up to provide an antenna with the amplified transmission signal.

11. The transmission arrangement of claim 1 ,
wherein the differential feedback path has a filter for filtering the amplified transmission signal.

12. The transmission arrangement of claim 1 ,
wherein the differential feedback path has an attenuator for attenuating the amplified transmission signal.

13. The transmission arrangement of claim 1 ,
wherein the matching network is a transformer and the output element is set up to inductively output the amplified transmission signal from the secondary side of the transformer.

14. The transmission arrangement of claim 13 ,
wherein the output element is integrated in the transformer.

15. The transmission arrangement of claim 14 ,
wherein the output element has an output filter.

16. The transmission arrangement of claim 1 ,
wherein the amplifier is an output stage.

17. A transmission arrangement, comprising:
an amplifier which is set up to amplify a transmission signal and to provide it as an amplified transmission signal in differential form;
an analysis circuit for determining a property of the amplified transmission signal;
a differential feedback path which is set up to supply the amplified transmission signal to the analysis circuit in differential form; and
an output element which is set up to output the amplified transmission signal from an output path of the amplifier and to supply it to the feedback path;
wherein the output element is set up to capacitively output the amplified transmission signal.

18. A method for analyzing an amplified transmission signal, the method comprising:
amplifying a transmission signal and providing the amplified transmission signal in differential form;
supplying the amplified transmission signal to an analysis circuit in differential form;
wherein the amplified transmission signal in differential form is inductively supplied via a differential feedback path to the analysis circuit from an output path of an output element having a matching network; and
determining a property of the amplified transmission signal.

19. The method of claim 18 ,
wherein the transmission signal is a modulated transmission signal and the method further comprises demodulating the amplified transmission signal.

20. The method of claim 18 , further comprising:
controlling the generation of the transmission signal based on the determined property.

21. A method for analyzing an amplified transmission signal, the method comprising:
amplifying a transmission signal and providing the amplified transmission signal in differential form;
supplying the amplified transmission signal to an analysis circuit in differential form;
wherein the amplified transmission signal in differential form is capacitively supplied via a differential feedback path to the analysis circuit from an output path of an output element having a matching network; and
determining a property of the amplified transmission signal.

Assignees

• Intel Mobile Comm Gmbh
• Intel Deutschland Gmbh

Inventors

• Leuschner Stephan
• Mrugalla Florian
• Moreira José
• Pfann Peter

Classifications

• H04B17/13 Primary

  of power amplifiers, e.g. gain or non-linearity · CPC title

• H04B17/003 Primary

  Electricity · mapped topic

• H04B1/0475

  with means for limiting noise, interference or distortion (H04B1/0483 takes precedence) · CPC title

• H04B5/0075

  Electricity · mapped topic

• H04B17/318

  Received signal strength · CPC title