Apparatus to receive signals from electromagnetic coupler

• US 7,365,532 B2
• Filed: 03/31/2006
• Issued: 04/29/2008
• Est. Priority Date: 03/31/2006
• Status: Expired due to Fees

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Asmanis, Georgios, Robins, Jose, Becker, Matthew, Hinck, Todd, Fiedler, Alan
• Primary Examiner(s): LE, DON P
• Application Number:
  US11/394,207
• Publication Number:
  US 20070236220A1
• Time in Patent Office: 760 Days
• Field of Search: 333/28.R, 333/23, 333/24.R, 714/718, 714/724, 324/210, 324/213, 324/219, 324/537
• US Class Current: 324/213
• CPC Class Codes: H04L 43/12 Network monitoring probes

Abstract

In at least one embodiment an apparatus is provided that includes an electromagnetic coupler probe to provide sampled electromagnetic signals and an electronics component to receive the sampled electromagnetic signals from the electromagnetic coupler probe and to provide recovered sampled electromagnetic signals. Other embodiments may be described and claimed.

Claims

1. An apparatus comprising:

an electromagnetic coupler probe to provide sampled electromagnetic signals based on data transmitted across a link; and

an electronics component to receive the sampled electromagnetic signals from the electromagnetic coupler probe and to provide recovered sampled electromagnetic signals based on the received sampled electromagnetic signals, the electronics component including an integrator device to receive the sampled electromagnetic signals.

2. The apparatus of claim 1, wherein the integrator device is to provide a filter function to transform the received sampled electromagnetic signals.

3. The apparatus of claim 1, wherein the electronics component further includes an equalizer device and a gain device.

4. The apparatus of claim 1, wherein the electronics component further includes an adaptive feedback loop to control an output of the integrator device.

5. The apparatus of claim 4, wherein the adaptive feedback loop is to latch the output of the integrator device.

6. The apparatus of claim 4, wherein the adaptive feedback loop includes a droop control device to substantially maintain a particular level of the output of the integrator device.

7. The apparatus of claim 1, wherein the electronics components is to perform signal processing to the received electromagnetic signals to allow data signals corresponding to the recovered sampled signals to be validated.

8. The apparatus of claim 1, wherein the received sampled electromagnetic signals are based on the data on the link.

9. The apparatus of claim 1, wherein the link comprises one of a bus, an interconnect, a trace, a cable and an electrical connection means.

10. The apparatus of claim 1, wherein the electromagnetic coupler probe comprises two signal traces.

11. An apparatus comprising:

an integrator device to receive signals from an electromagnetic coupler probe and to provide a filter function to the received signal; and

an adaptive feedback loop to control an output of the integrator device, the adaptive feedback loop including a droop control device to substantially maintain a particular level of the output of the integrator device.

12. The apparatus of claim 11, further comprising:

an equalizer device and a gain device.

13. The apparatus of claim 11, wherein the adaptive feedback loop is to latch the output of the integrator device.

14. The apparatus of claim 11, wherein the received signals are based on data transmitted across a link.

15. A system comprising:

an electromagnetic coupler probe to receive electromagnetic signals based on data on a link;

an electronics component to receive the electromagnetic signals from the electromagnetic coupler probe, the electronics component including an integrator device to provide recovered electromagnetic signals; and

an analyzing device to receive the recovered electromagnetic signals to allow data signals corresponding to the recovered electromagnetic signals to be validated.

16. The system of claim 15, wherein the integrator device is to provide a filter function to the received electromagnetic signals.

17. The system of claim 15, wherein the electronics component further includes an equalizer device and a gain device.

18. The system of claim 15, wherein the electronics component further includes an adaptive feedback loop to control an output of the integrator device.

19. The system of claim 18, wherein the adaptive feedback loop is to latch the output of the integrator device.

20. The system of claim 18, wherein the adaptive feedback loop includes a droop control device to substantially maintain a particular level of the output of the integrator device.