Ahmet Erdem

Ahmet Erdem

Electrical Engineering, University of Toronto

I'm a third-year Electrical Engineering student at the University of Toronto. I design analog, RF and mixed-signal hardware, and the signal processing that turns what those boards measure into something a system can use.

I'm most interested in hardware for robotics, drones and avionics: sensor front-ends, receivers, state estimation and filtering. The projects below cover the design, the layout and the numbers each one reached.

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Portrait of Ahmet Erdem at the seaside at dusk

Experience

  • ROKETSAN Jun 2026 to Aug 2026 Ankara, Türkiye
  • University of Toronto Aerospace Team Jan 2026 to Apr 2026 Toronto, ON

Selected work

Projects

3D render of the IMU board in Altium, sensors along the top and power along the bottom

Mixed-Signal IMU Board In progress

The first step toward a robot that localizes itself indoors without LiDAR or cameras: analog MEMS gyros and accelerometers sampled by a 24-bit delta-sigma ADC, with an STM32 on the digital side.

Board
4 layers
ADC
24-bit, ADS131M04
Status
PCB design complete
View project
3D render of the SDR quadrature receiver PCB in Altium

SDR Quadrature Mixer

An HF quadrature receiver built from discrete parts, with Gilbert-cell mixers made from MMBT3904 transistors and characterised with PyVISA.

Conversion gain
37.5 dB
I/Q phase balance
within ±10°
View project
3D render of the two-stage 137 MHz LNA board with SMA connectors at each end and a SAW filter in the middle

137 MHz LNA

A two-stage low-noise amplifier for weather-satellite downlinks, with a SAW filter between the stages and shunt feedback for unconditional stability.

Gain
32 dB
Noise figure
1.89 dB
View project
3D render of the FM rejection filter board showing seven LC branches between two edge connectors

FM Band-Stop Filter

A seven-element elliptic band-stop filter that removes the FM broadcast band ahead of the 137 MHz receiver.

Rejection
60 dB
Insertion loss
1.1 dB
View project
Localisation interface showing the floor plan with three nodes, the router, the estimated position and its trail

Wi-Fi CSI Indoor Localization

Three ESP32 nodes stream Wi-Fi channel-state information; phase correction, a CNN and a Kalman tracker turn it into a position on the floor plan.

Median error
0.40 m
Links
9 at 50 Hz
View project
The 2.4 GHz patch antenna board in Altium: the patch and its inset feed on a square ground plane

2.4 GHz Patch Antenna

An inset-fed microstrip patch sized from the transmission-line model and solved full-wave in HFSS.

Return loss
−21.4 dB
Directivity
6.6 dBi
View project

Contact

Email is the quickest way to reach me.