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Circuits & Schematics Supply - 10

Subsection: "Supply"
Search results: 572 Output: 91-100
  1. If you face the challenge of adding a second, independently controlled light source to an existing ceiling lamp controlled by a wall switch, you may find that stringing a second power line is impossible. First, you can replace the wall switch by ...
    03-11-2022
  2. If you often need a simple active load (constant-current sink), you can benefit from the simple circuit in Figure 1. The need often arises to measure the life of a battery or other power device under constant-load conditions. The easy-to-build and ...
    02-11-2022
  1. The MOSFET power switch is commonly the most vulnerable part of a new switched-mode high-power circuit. One threat for this device is exceeding the value of the maximum allowed pulse current. You cannot exceed this limit, even for pulse durations ...
    28-10-2022
  2. Wireless connectivity is a growing trend in portable consumer gadgets. Unfortunately, designs cannot achieve true mobility because of short battery life, so the power cord still must connect the device to the power grid to get the required energy ...
    24-10-2022
  3. Many low-cost and portable systems, including small consumer electronic products, operate from unregulated power supplies such as batteries or external, plug-in “power bricks.” These power sources sometimes produce lower-than-nominal ...
    13-10-2022
  4. Ideally (in that magical land where theory and practice are the same thing), the speed of a permanent magnet DC motor is exactly proportional to the input voltage: Speed = K S V, where constant K S is specific to the motor in question. But since ...
    12-10-2022
  5. Ripple cancellers, also known as ripple-eaters, gyrators, or electronic filters, are useful when a supply needs to be clean but the absolute supply voltage is unimportant. A typical application of these circuits is in class-A power amplifiers. ...
    10-10-2022
  6. In flyback converters that use primary regulation, the loose coupling between the power secondary and the primary auxiliary windings often results in poor cross-regulation. This situation arises mainly from the leakage inductance but also comes ...
    29-09-2022
  7. This article describes a portable breadboard-friendly adjustable power supply, designed as an ideal supply for Arduino projects and other low-power circuits. It is capable of providing from 0 V to 5.5 V at up to 0.5 A, and is powered by two ...
    29-09-2022
  8. You can use the circuit in Figure 1 to monitor the rotating speed of a dc fan motor and sound an alarm if the motor stalls. One potential application of the circuit is monitoring the CPU-fan speed in a PC in which overheating the CPU can ruin the ...
    19-09-2022
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