发明名称 |
Sensor amplifier arrangement and method for amplification of a sensor signal |
摘要 |
A sensor amplifier arrangement includes an amplifier having a signal input to receive a sensor signal and a signal output to provide an amplified sensor signal, and a feedback path that couples the signal output to the signal input and provides a feedback current that is an attenuated signal of the amplified sensor signal and is inverted with respect to the sensor signal. |
申请公布号 |
US9300259(B2) |
申请公布日期 |
2016.03.29 |
申请号 |
US201213438975 |
申请日期 |
2012.04.04 |
申请人 |
ams AG |
发明人 |
Fröhlich Thomas;Steiner Matthias |
分类号 |
H03L5/00;H03F1/02;H03F3/187;H03F1/34 |
主分类号 |
H03L5/00 |
代理机构 |
DLA Piper LLP (US) |
代理人 |
DLA Piper LLP (US) |
主权项 |
1. A sensor amplifier arrangement comprising:
an amplifier having a signal input to receive a sensor signal and a signal output to provide an amplified sensor signal, and a feedback path that couples the signal output to the signal input and comprises an anti-parallel circuit of diodes, an offset signal source, and an adder comprising: a first input coupled to the signal output, a second input coupled to the offset signal source, and an output coupled to the signal input via the anti-parallel circuit of diodes, wherein the feedback path comprises a feedback amplifier coupling the signal output to the first input of the adder. |
地址 |
AT |