Logo

DIGITALLY...

public

Our proprosal with detailed circuitry can be found here: https://github.com/daniel-santos-7/dpga-ieee-sscs-contest

Owner

Hugo Dias

Organization URL

https://ufersa.edu.br/

Summary

The proposed circuit is a Digitally Programmable Gain Amplifier (DVGA) which will work to amplify voltage signal with programmable gain options, ranging from 1 V / V to 256 V / V. The main core is an OTA Miller with output buffer configured as an inverter amplifier. The circuit feedback resistances is controlled by 8 CMOS switches (Transmission Gates) that are configured according to binary word stored in the shift register which is connected to a Serial Peripheral Interface (SPI) that provides a connection for external control.

Version

SSCS-21, chipIgnite

Category

opamp

Process

sky130A

Shuttle Tags

SSCS-21

Tags

Amplifier

Digitally

Gain

Miller

OTA

Programmable

Register

SPI