| 摘要 |
In a bipolar multiplier for multiplying a first input signal and a second input signal, the bipolar multiplier comprises a quadritail cell including two transistor pairs driven by a common tail current. A conversion circuit is connected to an input side of the quadritail cell for carrying out inverse hyperbolic tangent conversion. The conversion circuit comprises first and second differential amplifiers which are supplied with the first and the second input signals, respectively.
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