Panagiotis Dimtsoudis Electrical Engineering, Penn

Projects

One research role and seven projects. Each opens a full write-up with the drawings, measurements, and reports, and says plainly what did not work.

  1. AlScN Ferroelectric Junctions Device researchPenn DREL2026–presentOngoing 1 nm AlN / 4 nm AlScN / 1 nm AlN junctions that keep ferroelectric switching from 400 down to 14 K, with an ON/OFF ratio above 2 across the range. My measurements and analysis, and the group’s results; the paper is a manuscript in preparation.
  2. SRAM-Based 4‑bit MAC Accelerator Digital IC designESE 57002026With Dhruva JindalComplete A custom 6T SRAM bitcell, DRC and LVS clean and characterized post-layout, tiled into a 16 × 4 macro and built into a pipelined 4‑bit MAC. In simulation it closes timing at 0.90 ns on the specified test vectors and uses 0.39 pJ per multiply-accumulate.
  3. Metal Detector PCB Analog PCBESE 31902026SoloComplete An LC-oscillator detector routed as a two-layer board, soldered by hand, then debugged stage by stage. The fixed oscillator landed at 50.2 kHz against 50.27 kHz in LTspice.
  4. Wireless ECG Monitor BioelectronicsESE 21502025With Damodar PaiComplete An AD623 instrumentation amp, a virtual ground, and 0.5 Hz and 160 Hz filters, sampled by a Feather and streamed over BLE, with Python finding R-peaks on the receiving end. 61 dB maximum gain, and the low-pass corner measured at 190.5 Hz.
  5. Guitar Hero Synthesizer Embedded audioESE 35002026Team of threeComplete A Guitar Hero controller rebuilt around an ATmega328PB: bare-metal C firmware driving PWM audio, an I2C LCD for remapping fret notes, and a 12 V pack split across two 5 V LDOs after the speaker kept resetting the board.
  6. EcoBeam Embedded systemsESE 11102024Team of threePrototype A trail-mounted node with an 8 × 8 LED matrix, temperature and CO₂ sensing, a distress button, XBee links that meshed in testing, and a solar supply, inside a CAD enclosure I designed.
  7. Analog Synthesizer Analog audioAltiumLTspiceIn progress An eleven-sheet Altium project for an oscillator–filter–amplifier (VCO–VCF–VCA) synthesizer. The VCO sheet is drawn and simulates; the other sheets are stubs, and nothing has been built yet.
  8. Java Tetris SoftwareCIS 1200Spring 2025SoloComplete A playable Java Swing Tetris with a 20 × 18 board, explicit game states, save and load, JUnit tests, and undo in Easy mode.