A previous Design Idea describes an astable multivibrator that gets hysteresis from the positive feedback stage using a technique you can characterize as positive-capacitive feedback (Reference 1). It ...
The generator circuit was designed to produce alternating square pulses with vibrations in different parts of the circuit. 4027 – a dual JK flip flop that has independent clock, set, and reset inputs ...
Physicists in the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have created a compact laser that emits extremely bright, short pulses of light in a useful but difficult-to ...
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