| 摘要 |
Systems and methods are provided for adjusting gain of a receiver. Adaptation circuitry is operable to identify, based on a matrix representation of a receiver's output generated from horizontal and vertical sweeps of the receiver's output, an eye opening of the receiver's output. The adaptation circuitry is also operable to determine whether a size of the eye opening needs to be changed. When it is determined that the size of the eye opening needs to be changed, the adaptation circuitry is operable to generate a digital signal to change a gain setting of the receiver. When the signal at the receiver's output is under-equalized, the AC gain of the receiver is increased. When the signal at the receiver's output is over-equalized, the AC gain of the receiver is decreased. |
| 主权项 |
1. A method for adjusting gain of a receiver having an output, the method comprising:
generating, based on horizontal and vertical sweeps of the receiver's output, a matrix representation of the receiver's output; identifying, based on the generated matrix representation, an eye opening of the receiver's output; determining, using on-die instrument (ODI) circuitry, whether a size of the eye opening needs to be changed; and when it is determined that the size of the eye opening needs to be changed, generating, using adaptation circuitry coupled to the ODI circuitry, a digital signal to change a gain setting of the receiver. |
