发明名称 |
Preamplifier having integrated circuitry |
摘要 |
In a preamplifier having integrated circuitry, the improvement where the active elements of the first stage amplification of the preamplifier and the resistor which establishes the current flowing through these active elements are mounted on the outside of the integrated circuitry and the connecting terminals for the active elements and resistor are disposed with the remaining preamplifier components inside the integrated circuitry.
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申请公布号 |
US4152662(A) |
申请公布日期 |
1979.05.01 |
申请号 |
US19780874202 |
申请日期 |
1978.02.01 |
申请人 |
TRIO K K |
发明人 |
SAKAI, KAZUMASA;WATANUKI, HIROSHI |
分类号 |
H03F3/45;(IPC1-7):H03F3/45;H03F3/04 |
主分类号 |
H03F3/45 |
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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