Logarithmic amplifiers
β Scribed by William Gandler; Howard Shapiro
- Publisher
- John Wiley and Sons
- Year
- 1990
- Tongue
- English
- Weight
- 393 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0196-4763
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## Abstract This paper describes three circuits that implement pseudoβlogarithmic functions, which are simple and easy to implement. The circuits can be realized using operational amplifiers or current feedback amplifiers. Tuning can be achieved using switched resistors, or active resistors, or tun
We show that the monotone analogue of logspace computation is more powerful than monotone log-depth circuits: monotone bounded fanin circuits for a certain function in monotone logspace require depth \(\Omega\left(\lg ^{2} n\right)\). C 1995 Academic Press, Inc.