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The circuit illuminates a high-brightness LED even at a voltage of 0.8V if the battery can supply 93mA at this voltage. The average step-up efficiency from 0.8V to 1.5V is 75%, with a peak efficiency of 83% occurring around...
A 16V power supply can be synthesized using IN1692 rectifiers. A shift pulse input saturates the 2N2714, depriving the Darlington combination (2N2714 and 2N2868) of base drive. The negative pulse generated on the 15V line is differentiated to produce...
The growth of high-definition and digital cable services, once a primary driver for expansion, is now beginning to slow. This trend coincides with the increasing use of applications on personal computers (like Skype and magicJack) and smartphones. Even the...
The laser tube drive circuit typically incorporates a photodiode that generates a laser beam proportional to the intensity (optical power) of the current. However, this type of photocell is generally slow and unable to track modulation effectively, particularly for...
For optimal efficiency, set MAX_STEPPERS to the number of stepper motors being controlled, with a maximum limit of four. Motors are identified by indices 0, 1, 2, and 3. On the QCard, there is a trade-off between the number...
In the previous post, a piezo transducer element was discussed, along with its application in electronic circuits. This article will explore how a piezo transducer can be driven or operated using a simple circuit. The amplification method differs from...
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