Number | Name | Date | Kind |
---|---|---|---|
3794905 | Long | Feb 1974 | |
4227141 | Cross | Oct 1980 | |
4388582 | Saar et al. | Jun 1983 | |
4392101 | Saar et al. | Jul 1983 | |
4625197 | Holmes | Nov 1986 | |
4639655 | Westhaver et al. | Jan 1987 | |
4746852 | Martin | May 1988 | |
4746854 | Baker et al. | May 1988 | |
4755735 | Inakagata | Jul 1988 | |
4806840 | Alexander et al. | Feb 1989 | |
4961043 | Koenck | Oct 1990 | |
4998057 | Shinohara et al. | May 1991 | |
5268630 | Bhagwat et al. | Dec 1993 |
Number | Date | Country |
---|---|---|
0206503 | Dec 1986 | EPX |
4110453 | Oct 1991 | DEX |
Entry |
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Electronic Design, Jan. 25, 1990, "Try PWM for Low-Cost A-D Conversion", pp. 51-54. |