| 发明名称 |
NOVEL NFC RECEIVER ARCHITECTURE WITH IMPROVED POWER SENSITIVITY |
| 摘要 |
An electronic communication device includes an antenna configured to receive a radio frequency (RF) signal and generate a differential current signal at a first tag pin and a second tag pin. A first variable resistor is coupled to the first tag pin and a second variable resistor is coupled to the second tag pin. A mixer circuit is coupled across the first variable resistor and the second variable resistor and is configured to generate an output voltage. The output voltage is used for RF signal detection at all RF signal levels. |
| 申请公布号 |
US2014246493(A1) |
申请公布日期 |
2014.09.04 |
| 申请号 |
US201414186029 |
申请日期 |
2014.02.21 |
| 申请人 |
Texas Instruments Incorporated |
发明人 |
Agrawal Abhishek;Darwhekar Yogesh |
| 分类号 |
G06K7/10 |
主分类号 |
G06K7/10 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An electronic communication device, comprising:
an antenna configured to receive a radio frequency (RF) signal and generate a differential current signal at a first tag pin and a second tag pin; a first variable resistor coupled to the first tag pin; a second variable resistor coupled to the second tag pin; and a mixer circuit coupled across the first variable resistor and the second variable resistor and configured to generate an output voltage, wherein the output voltage is used for RF signal detection at all RF signal levels. |
| 地址 |
Dallas TX US |
