Recent content by Tom_M

Hi all, Building a frequency offset locking circuit for laser spectroscopy. First electronics project so been hitting a steep learning curve. Long story short, I have two branches in this circuit that take a AC signal run it through a diode and low pass filter to measure the envelope and output...

Hope all you students are enjoying the break. What's on your reading list? -I'm working through Feynman's "Classic Feynman" which has been very enjoyable, as well as trudging through Kline's Calculus. It is rather wordy, but I like the approach it has. I also just discovered 'Understanding...

Hey all, I'm a second year student at Columbia, intending to switch my major from biochemistry to Physics as I've really enjoyed the subject. I'm an older undergrad, as I was in the military before coming to school. I've used PF to figure out HW before, so figured it was time to join and make...