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The led current

For the evaluation of the current control, consumed by any device, connected to the laboratory power supply, can be made simple LED consumed DC. Such an indicator can be integrated into a laboratory power supply to the linear voltage regulator, group with stabilization of the output voltages in a pulsed block… Continue Reading

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Voltage regulator on-chip ADP3301

Popular integrated linear voltage regulators, For example, series 78Lxx, 78LRxx, 78mhh, at maximum output current demand, that the input voltage is, at least, 1.5…2,5 The greater output. If desired a stabilizer with less voltage difference, You can apply IC 78Rxx series, L88Rxx,… Continue Reading

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Switching power supply 5V, 2,5BUT

Power supplies to the frequency transformers 50 Hz today virtually surrendered their positions pulsed with a high operating frequency, which at the same output power are, usually, smaller dimensions and weight, higher efficiency. Major constraints to the independent production… Continue Reading

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The power supply transformer on a standardized TH46-220-50

The most time consuming assembly classic mains supply is, as known, a step-down transformer. To facilitate repetition brings to attention of readers the power supply in it applied uniform ready transformer TN46-220-50 (The glow transformer 46th sizes on the mains voltage 220 AT, 50 Hz). The presence of… Continue Reading

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Melodious bell housing

Electronic calls are self-powered by batteries, Although calls are powered by AC 220 B / 50 GC, not pose a risk to life in the event of a malfunction or improper installation. Therefore, these calls can be installed outdoors,… Continue Reading