发明名称 |
Three stage amplifier |
摘要 |
A cascaded amplifier including a pre-amplifier stage having a pair of first transistors, each of the first transistors having a first gate terminal coupled to a first input voltage, a trans-conductive (gm) amplifier stage having a pair of second transistors, each of the second transistors having a second gate terminal coupled to a drain terminal of one of the first transistors, and an integrator amplifier stage having a pair of third transistors, each of the third transistors having a third gate terminal coupled to a drain node of one of the second transistors, each of the third transistors having their drain terminals coupled to an output voltage. |
申请公布号 |
US9246455(B2) |
申请公布日期 |
2016.01.26 |
申请号 |
US201313855175 |
申请日期 |
2013.04.02 |
申请人 |
ANALOG DEVICES, INC. |
发明人 |
Murden Franklin M. |
分类号 |
H03F3/68;H03F3/45;H03G3/00;H03F3/19 |
主分类号 |
H03F3/68 |
代理机构 |
Kenyon & Kenyon LLP |
代理人 |
Kenyon & Kenyon LLP |
主权项 |
1. A cascaded amplifier arranged in a closed-loop configuration, comprising:
a pre-amplifier stage having a pair of first transistors, each of the first transistors having a first gate terminal coupled to a first input voltage; a trans-conductive (gm) amplifier stage having a pair of second transistors, each of the second transistors having a second gate terminal directly connected to a drain terminal of one of the first transistors; and an integrator amplifier stage having a pair of third transistors, each of the third transistors having a third gate terminal directly connected to a drain node of one of the second transistors, each of the third transistors having their drain terminals coupled to an output voltage. |
地址 |
Norwood MA US |