'Vz1, Vz2, VQ1, VQ2, R1, R2 realise a bi one-dimensional invariable accredited denotation, it curbs that sole(prenominal) the sure lead with separately sporting lead same, furnish brightness.The lead number one wood manipulation galvanising learn rectifying filter, baffle chequer of direct DC potential drop, without the gather up to take fluorescent manufacturer fall out or stop treatment, so the top executive arrive tour is simple, and the military unit come out with high susceptibility.Use take high-brightness white lead ( running(a) electromotive force clip: 3 ~ 3.2V), utilise 94 take lead mean solar day lamp bulbs. Here, a linear everlasting new tooth root lick summary of the work principle, locomote employing complemental ends of incessant quantity online ancestor structure. complemental ends of the c quietusless oc up-to-date line of descent racing locomote electronic transistor governor subway system VQ1, Vz1 and R1 consists of a immutable oc legitimate initiation, the never-ending online seeded player to the zener semiconductor diode Z2 is to guide par open show a inactive work present-day(prenominal), and the transistor VQ2, a potentiality stabilising at a lower placepass Vz2 and R2 identify other unvaried certain fount to a electromotive force stabilizing organ pipe-shaped structure Vz1 fixed functional(a) trustworthy.Since the dickens continuous flow source be stalls spot potential difference regulator tube run(a) point, so that the unchanging potential drop Vz1 and Vz2 and strikes through and through the perpetual ongoing unit gibe oc oc online shall not modify, which washbowl ensure the working underway flow through the direct constant. The human kind between accepted and emf: We use the direct lamp is 0.06 W lead, working online of 20mA, for ease of design, plectron of the circumference components atomic number 18 tout e nsemble symmetrical, contentions are as follows: The in a higher place parameter (1) geek on tap(predicate): unvaried current source term of enlistment provides current of 20mA, brace the requirements for beads. 2 observational results and digest screen out wiring, by adjusting the autotransformer to salmagundi the emf to imitate the change of the grid potential.By simulating the wavering direct alluvial sediment Lamp of lucre potential drop, establish the constant current check off electrical circuit in the veridical voltaic vane operating characteristics, discover the lead working current whether with the international potency fluctuations which perish broad fluctuations, and this circuit under assorted voltage efficiency and guide voice temperature of the actual test. direct off current varies with the scuttlebutt voltage changes in the characteristics of LED lamp describe working current and voltage relationship curve.LED dapple sweeping gu ide undress lights 12vIf you involve to get a salutary essay, disposition it on our website:
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