Ceramic resonators offer an attractive alternative to quartz crystals for stabilizing oscillation frequencies in many ...
The phase determines the oscillation frequency, and gain is a criterion for oscillation to exist. The four poles in the loop equation each contribute –45° phase shift accumulating the required total ...
NICE has developed a medtech innovation briefing (MIB) on The Vest for delivering high-frequency chest wall oscillation in people with complex neurological needs.