[time-nuts] A novel use of Injection locking of ring oscillators

[Mark Sims]

Every good time nut knows about the hazards and subtle wonders of unintentional injection locking of oscillators.  Other people apparently don't...  How forced injection locking of ring oscillators can be hazardous to your wallet:

http://www.cl.cam.ac.uk/~atm26/papers/markettos-ches2009-inject-trng.pdf

I saw a followup where they breached an ATM machine by modulating a 10 GHz microwave signal with the injection locking signal and beaming it into the ATM.