external trigger signal
1Signal transduction — In biology, signal transduction refers to any process by which a cell converts one kind of signal or stimulus into another. Most processes of signal transduction involve ordered sequences of biochemical reactions inside the cell, which are… …
2Signal peptide peptidase — The Signal Peptide Peptidase (SPP) and its homologs (SPPL2a/b/c, SPPL3) are a class of transmembrane aspartyl proteases with the conserved motives YD ... GxGD ...PALL. Their sequences are highly conserved in different vertebrate species. Their… …
3Schmitt trigger — In electronics, a Schmitt trigger is a comparator circuit that incorporates positive feedback.When the input is higher than a certain chosen threshold, the output is high; when the input is below another (lower) chosen threshold, the output is… …
4Traffic signal preemption — is a type of system that allows the normal operation of traffic lights to be preempted, often to assist emergency vehicles.[1][2] The most common use of these systems is to manipulate traffic signals in the path of an emergency vehicle, stopping… …
5Griswold Signal Company — The Griswold Signal Company was a manufacturer of traffic signals and railroad grade crossing signals based in Minneapolis, Minnesota.The company was founded by Minnesota native Frank W. Griswold, one of thirteen children born to attorney and… …
6Oscilloscope — This article is about current oscilloscopes, providing general information. For history of oscilloscopes, see Oscilloscope history. For detailed information about various types of oscilloscopes, see Oscilloscope types. Illustration showing the… …
7Digital delay generator — A digital delay generator is a piece of electronic test equipment that provides precise delays for triggering, syncing, delaying and gating events. These generators are used in many types of experiments, controls and processes where electronic… …
8555 timer IC — NE555 from Signetics in dual in line package …
9Avalanche transistor — An Avalanche Transistor is a bipolar junction transistor designed for operation in the region of its collector current/collector to emitter voltage characteristics beyond the collector to emitter breakdown voltage, called avalanche breakdown… …
10Burglar alarm — Silent alarm redirects here. For the album, see Silent Alarm (album). Burglar (or intrusion), fire and safety alarms are all electronic today. Sensors are connected to a control unit via a low voltage hardwire or narrowband RF signal which is… …
