ESC Con 2015

Oliver Sedlacek

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Oliver Sedlacek

's contributions
  • 03.27.2015
  • Ode to the Oscilloscope
  • Thanks for sharing this bit of fun. I particularly like: 'It's got a dual-delayed timebase, but I ain't scared, The trace is sharp; the probes are fair.'
  • 11.21.2014
  • My long-running affection for heat sinks
  • I still often rip heatsinks out of dead products and discard the semiconductors. Is it because I feel a similar affection for them? One thing is for sure, it will still work, and I wont have to worry about latent ESD damage or compromised lifetime! The choice of heatsink has a big influence on the 'perceived quality' of a product. Its weight can be reassuring and its aesthetics are important if it's on the outside of the casework.
  • 12.02.2014
  • Tips for home automation IoT design
  • As a potential customer, what I don't see is any mention of fallback functionality. If my 'smart' light switch can't connect to a coordinator for some reason, I still really, really, really want to be able to turn my lights on and off.
  • 09.14.2014
  • Paralleled transistors and regulators eliminate need for heat sinks
  • This is good basic stuff that most experienced designers should know. I really wouldn't recommend the NE5534 any more, as there are much better parts available now. As an example, the ADA4610-2 beats it on speed (16MHz GBW), power (1.6mA IQ), input offset (0.2mV typ), input bias current (5pA) and output current (70mA). TI-Burr Brown offer the OPA211 and Linear Tech offer the LT1468 and LTC6090.
  • 07.25.2014
  • 11 summer vacation spots for engineers
  • Elephant and Castle wouldn't be one of my suggested tourist destinations in the UK as it's likely to be a big disappointment. I'd suggest Bletcheley Park, home of the WWII code breakers as a much better bet.