发明名称 |
Digital analog converter |
摘要 |
A PWM digital-to-analog converter is disclosed in which a differential component between the pulse width modulated waveform consistent with input digital data and the 2's complement data of the input digital data is taken at a differential amplifier (46) and freed of high frequency components to produce an analog ouput signal (S out) with improved distortion factor.
|
申请公布号 |
US5021788(A) |
申请公布日期 |
1991.06.04 |
申请号 |
US19900479163 |
申请日期 |
1990.02.13 |
申请人 |
SONY CORPORATION |
发明人 |
UEKI, MASSAAKI;MASUDA, TOSHIHIKO;KANAI, TAKASHI |
分类号 |
H03M1/82;H03M1/06;H03M1/08;H03M3/04 |
主分类号 |
H03M1/82 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|