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- Blocking_oscillator abstract "A blocking oscillator is a simple configuration of discrete electronic components which can produce a free-running signal, requiring only a resistor, a transformer, and one amplifying element. The name is derived from the fact that the transistor (or tube) is cut-off or \"blocked\" for most of the duty-cycle, producing periodic pulses. The non-sinusoidal output is not suitable for use as a radio-frequency local oscillator, but it can serve as a timing generator, to power lights, LEDs, Elwire, or small neon indicators. The simple tones are also sufficient for applications such as alarms or a morse-code practice device. Some cameras use a blocking oscillator to strobe the flash prior to a shot to reduce the red-eye effect.When it comes to the components involved in this circuit, specific types of each component are needed to have it work to its full potential. The transformer is a vital component. For example, a pulse transformer creates rectangular pulses, which are characterized by fast rise and fall times with a flat top. There are a seemingly endless amount of combinations of voltages, transformers, capacitors, transistors and resistors that can be used to vary and model the circuit.Due to the circuit's simplicity, it forms the basis for many of the learning projects in commercial electronic kits. The secondary winding of the transformer can be fed to a speaker, a lamp, or the windings of a relay. Instead of a resistor, a potentiometer placed in parallel with the timing capacitor permits the frequency to be adjusted freely, but at low resistances the transistor can be overdriven, and possibly damaged. The output signal will jump in amplitude and be greatly distorted.".
- Blocking_oscillator thumbnail Blocking_oscillator.jpg?width=300.
- Blocking_oscillator wikiPageExternalLink RecentIssue.jsp?punumber=8147.
- Blocking_oscillator wikiPageExternalLink freeabs_all.jsp?arnumber=1082353.
- Blocking_oscillator wikiPageExternalLink elect37.htm.
- Blocking_oscillator wikiPageExternalLink ~jcalvert.
- Blocking_oscillator wikiPageID "3114727".
- Blocking_oscillator wikiPageLength "16589".
- Blocking_oscillator wikiPageOutDegree "22".
- Blocking_oscillator wikiPageRevisionID "678424974".
- Blocking_oscillator wikiPageWikiLink Active-filter_tuned_oscillator.
- Blocking_oscillator wikiPageWikiLink Bipolar_junction_transistor.
- Blocking_oscillator wikiPageWikiLink Category:Oscillators.
- Blocking_oscillator wikiPageWikiLink Duty_cycle.
- Blocking_oscillator wikiPageWikiLink Electroluminescent_wire.
- Blocking_oscillator wikiPageWikiLink Electromagnetic_interference.
- Blocking_oscillator wikiPageWikiLink File:Blocking_oscillator.jpg.
- Blocking_oscillator wikiPageWikiLink Fritz_Langford-Smith.
- Blocking_oscillator wikiPageWikiLink Institute_of_Electrical_and_Electronics_Engineers.
- Blocking_oscillator wikiPageWikiLink Joule_thief.
- Blocking_oscillator wikiPageWikiLink Light-emitting_diode.
- Blocking_oscillator wikiPageWikiLink Potentiometer.
- Blocking_oscillator wikiPageWikiLink Red-eye_effect.
- Blocking_oscillator wikiPageWikiLink Resistor.
- Blocking_oscillator wikiPageWikiLink Transformer.
- Blocking_oscillator wikiPageWikiLink Transistor.
- Blocking_oscillator wikiPageWikiLink Triode.
- Blocking_oscillator wikiPageWikiLink Zener_diode.
- Blocking_oscillator wikiPageWikiLink File:Dutycycle.svg.
- Blocking_oscillator wikiPageWikiLink File:LED_Flashlight_wiring.JPG.
- Blocking_oscillator wikiPageWikiLinkText "Blocking oscillator".
- Blocking_oscillator wikiPageWikiLinkText "blocking oscillator".
- Blocking_oscillator wikiPageUsesTemplate Template:Reflist.
- Blocking_oscillator subject Category:Oscillators.
- Blocking_oscillator hypernym Configuration.
- Blocking_oscillator type Aircraft.
- Blocking_oscillator type Circuit.
- Blocking_oscillator type Redirect.
- Blocking_oscillator comment "A blocking oscillator is a simple configuration of discrete electronic components which can produce a free-running signal, requiring only a resistor, a transformer, and one amplifying element. The name is derived from the fact that the transistor (or tube) is cut-off or \"blocked\" for most of the duty-cycle, producing periodic pulses.".
- Blocking_oscillator label "Blocking oscillator".
- Blocking_oscillator sameAs Q623704.
- Blocking_oscillator sameAs Блокінг-генератар.
- Blocking_oscillator sameAs Sperrschwinger.
- Blocking_oscillator sameAs Osilator_sumbatan.
- Blocking_oscillator sameAs m.08s9_1.
- Blocking_oscillator sameAs Блокинг-генератор.
- Blocking_oscillator sameAs Блокінг-генератор.
- Blocking_oscillator sameAs Q623704.
- Blocking_oscillator wasDerivedFrom Blocking_oscillator?oldid=678424974.
- Blocking_oscillator depiction Blocking_oscillator.jpg.
- Blocking_oscillator isPrimaryTopicOf Blocking_oscillator.