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Journal : Jurnal INFOTEL

Pembangkit Listrik Tenaga Surya dengan Pengisian Daya Otomatis Menggunakan Sistem PWM Berbasis Mikrokontroler Widodo, Sulistyo; Wahyuningsih, Erfiana; Adhiyoga, Yohanes Galih
JURNAL INFOTEL Vol 16 No 1 (2024): February 2024
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v16i1.1075

Abstract

Indonesia will become a net importer if it runs out of oil and gas reserves within the next 11 to 12 years if no alternative energy sources are developed. Therefore, there is a need to utilize alternative energy that is not dependent on oil or gas. One alternative energy is using solar light energy. This research designed a device that can convert the energy of sunlight into electrical energy and automatically store electrical energy in a battery with PWM (Pulse Width Modulation) so that it can be used as alternative energy, and help reduce the consumption of electricity from PLN. The battery used 12V 80Ah and a solar panel module 50W for energy storage and system resources. The research results show that systems can automatically charge energy using sunlight and turn the lights to 7W. Using the charging system automatically uses PWM to reduce the risk of damage to the battery because, in the charging process, battery conditions will be monitored. The maximum power generated from solar panel modules used is 35.57 W.
45-nm feasibility A Comprehensive Review of SRAM Design Using Modified Gate Diffusion Input (MGDI) Wahyuningsih, Erfiana; Pratiwi, Ganjar Febriyani; Arifin, Tri Nur
JURNAL INFOTEL Vol 18 No 1 (2026): February
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v18i1.1450

Abstract

This paper presents a systematic literature review on the feasibility and practicality of implementing Modified Gate Diffusion Input (MGDI) logic for a static random access memory(SRAM) design at the 45-nm technology node. The study consolidates prior simulation-based and analytical findings to evaluate MGDI as a low-power alternative to conventional CMOS in memory circuits. Results highlight that MGDI enables significant reductions in dynamic power consumption, particularly in peripheral circuits such as decoders and drivers, where switching activity dominates. Average leakage power was also reduced by approximately 20%, with up to a 40% reduction observed in stacked configurations, owing to the intrinsic characteristics of MGDI structures. Stability analysis indicated that hold Static Noise Margin (SNM) remained comparable to CMOS cells, while read SNM improved by 5–10% due to the stacking effect and the use of swing-restoration transistors. A moderate delay penalty of about 10% was identified at the bit-cell level, but the difference was offsetby faster operation in MGDI-based peripheral circuits, resulting in improved energy-delay efficiency overall. Importantly, MGDI can be fabricated using standard CMOS processes without requiring exotic modifications, demonstrating practical compatibility. These findings suggest that MGDI is a promising candidate for ultra-low-power memory applications, particularly in Internet of Things (IoT) and energy-harvesting devices.