| 发明名称 |
RAMP SIGNAL GENERATOR AND CMOS IMAGE SENSOR USING THE SAME |
| 摘要 |
Disclosed are a ramp signal generator capable of reducing the size of a feedback capacitor by using a current subtraction and a CMOS image sensor using the same. The ramp signal generator may include a current supply unit suitable for supplying a first current; a current subtraction unit suitable for subtracting the first current from a second current, or the second current from the first current; and a ramp signal generation unit suitable for generating a ramp signal according to a third current and a reference voltage. The third current is a result of the subtraction. |
| 申请公布号 |
US2016315602(A1) |
申请公布日期 |
2016.10.27 |
| 申请号 |
US201514851961 |
申请日期 |
2015.09.11 |
| 申请人 |
SK hynix Inc. |
发明人 |
SOHN Young-Chul |
| 分类号 |
H03K4/00;H04N5/378 |
主分类号 |
H03K4/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A ramp signal generator comprising:
a current supply unit suitable for supplying a first current; a current subtraction unit suitable for subtracting the first current from a second current, or the second current from the first current; and a ramp signal generation unit suitable for generating a ramp signal according to a third current and a reference voltage, wherein the third current is a result of the subtraction. |
| 地址 |
Gyeonggi-do KR |
