Recent Pole-Zero Pairs
▨ Not deserted - temporarily stranded
▨ Analog-style digital design observations
▨ The semiconductor industry in Bulgaria Vol. 2
▨ Small-signal and large-signal MOSFET channel resistance
▨ Bricks and mortar of the internet
▨ Dominant gate capacitance of a MOSFET
▨ Mr. Sievert, a fictional character
▨ "This could be a very strong paper"
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Here you will find some pictures and general information for some of my hobby projects.
If you need more details like documentation, circuits, firmware or general guidelines please feel free to contact me.
Update: The things listed in this page are very old and no longer updated. For my latest electronics adventures follow my post sections instead!
An ADC's INL/DNL evaluation script and standalone executable written in Matlab
Find and replace multiple strings in multiple files Shell script
A quick and dirty Ethernet Thermometer
Power Inverter 12V DC to 230V AC 3kW - still in construction, a volunteer for winding the step-up transformer is needed
Switch Mode Ballasts for Fluorescent lamps up to 58 W
Microcontroller controlled Robotic Arm ROBKO 01
Digital Thermometer on a Nokia LCD
Laboratory Power Supply 0-30V up to10А
Audio Power Amplifier for PCI PC computer slot
FM radio transmitter 88~108 MHz Power 350 mW schematic designer - Harry Lythall SM0VPO
10 W linear HF amplifier 27 MHz
7 W PLL FM 88-108 Mhz radio transmitter
Modem for digital modulations (FSK, TTY CW) through RS-232