发明名称 |
DEVICE FOR MATCHING FIELD EFFECT TRANSISTOR SWITCH |
摘要 |
A digital-to-analog converter includes a plurality of pairs of complementary conductivity field-effect transistors (FETs) coupled for applying reference potentials to a resistive ladder network in response to the bit values of an input digital word. A variable voltage generator develops gate biasing voltage for the FETs of one conductivity. The biasing voltage has a magnitude controlled in response to a bridge circuit including a further pair of complementary conductivity FETs also coupled to the reference potentials. As a result, the complementary conductivity FETs are automatically caused to exhibit matched conductivity characteristics. |
申请公布号 |
JPS59138121(A) |
申请公布日期 |
1984.08.08 |
申请号 |
JP19840008645 |
申请日期 |
1984.01.23 |
申请人 |
RCA CORP |
发明人 |
ANDORIYU GOODON FURANSHISU DEINGUUOORU;BIKUTAA ZAZUU |
分类号 |
H03M1/74;H03K17/693;H03M1/00;H03M1/78 |
主分类号 |
H03M1/74 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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