| 发明名称 |
Switching mode power amplifier using PWM and PPM for band pass signals |
| 摘要 |
<p>Switching mode power amplifiers using pulse width modulation (PWM) and pulse position modulation (PPM) for generating bandpass signals is disclosed. Fully digital implemented transmitter structures having QPSK inputs for phase and amplitude are described.</p> |
| 申请公布号 |
EP1271870(A2) |
申请公布日期 |
2003.01.02 |
| 申请号 |
EP20020254218 |
申请日期 |
2002.06.17 |
| 申请人 |
NOKIA CORPORATION |
发明人 |
ROSNELL, SEPPO;VARIS, JUKKA |
| 分类号 |
H03F3/217;H04L27/20;H04L27/36;(IPC1-7):H04L25/49 |
主分类号 |
H03F3/217 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
