A current-mode analog multiplier using a negative resistance transconductance technique
A current-mode analog multiplier using a negative resistance transconductance technique
- Author(s): J. Lee ; K. Hayatleh ; F.J. Lidgey
- DOI: 10.1049/ic:20000490
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- Author(s): J. Lee ; K. Hayatleh ; F.J. Lidgey Source: IEE Seminar Analog Signal Processing, 2000 page ()
- Conference: IEE Seminar Analog Signal Processing
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A current-mode multiplier based on a negative resistance transconductance circuit is proposed as the input stage for the Gilbert transconductance multiplier circuit. Compared with the input stage of the standard Gilbert multiplier which is based on an emitter degenerated long-tail pair, the negative resistance transconductance cell provides better linearity, accuracy and noise performance. Also the gain of the overall circuit is significantly higher. (6 pages)
Inspec keywords: analogue multipliers; integrated circuit design; current-mode circuits; integrated circuit noise; negative resistance circuits
Subjects: Analogue circuit design, modelling and testing; Analogue processing circuits; Semiconductor integrated circuit design, layout, modelling and testing; Active filters and other active networks
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