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A kind of analog multiplication circuit, analog multiplication method and application thereof

A technology for simulating multiplication and circuits, which is applied in the field of circuit design to achieve low power consumption, high speed, and reduced reading

Active Publication Date: 2021-08-06
HEFEI HENGSHUO SEMICON CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is currently a lack of fast, accurate, and multiplication circuits that can offset the influence of process parameters and methods for calculation

Method used

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  • A kind of analog multiplication circuit, analog multiplication method and application thereof
  • A kind of analog multiplication circuit, analog multiplication method and application thereof
  • A kind of analog multiplication circuit, analog multiplication method and application thereof

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Embodiment Construction

[0057] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0058] The first embodiment of the present invention is figure 1 As shown, an analog multiplication circuit includes two floating gate field effect transistors M 1 , M 2 and a differential current sense circuit;

[0059] where M 1 and M 2 The common gate is connected to the voltage source, and the common drain or common source is connected to the analog voltage input. The differential current detection circuit includes two current input terminals and one o...

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Abstract

The invention relates to the technical field of circuit design, and discloses an analog multiplication circuit, an analog multiplication method and an application thereof. The analog multiplication circuit includes two floating gate field effect transistors M 1 , M 2 And a differential current detection circuit, at the same time build a multiply-accumulate circuit and a vector and matrix multiplication circuit on this basis, the analog multiplication method includes multiplier storage, multiplicand input and result output. The present invention can realize the multiplication of two numbers, the dot product of two vectors, and the multiplication of vectors and matrices by pre-storing the multiplier and inputting the multiplicand during operation, with fast operation speed, low circuit power consumption and simple method It is easy to operate, has high practical value and wide application prospect.

Description

technical field [0001] The invention relates to the technical field of circuit design, in particular to an analog multiplication circuit, an analog multiplication method and applications thereof. Background technique [0002] The structure of the floating gate FET is very different from that of the ordinary FET. It has two gates, one is drawn out with wires like a common field tube gate, and is called "control gate" or "selection gate"; the other is surrounded by silicon dioxide and is not connected to any part. A gate that is not connected to anything is called a "floating gate". Normally, if the floating gate has no charges, the field effect transistor is in a non-conducting state, and the drain level of the field effect transistor is high, indicating data 1. When programming, a higher programming voltage is applied to the drain and select gate of the field effect transistor, and the source is grounded. In this way, a large number of electrons flow from the source to th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F7/523G06F17/16
CPCG06F7/523G06F17/16
Inventor 李政达蒋明峰徐伟民任军吕向东徐培
Owner HEFEI HENGSHUO SEMICON CO LTD