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Whole catalog Radio constructors (full set of parts)
Код товара:
046626

Radio constructor Virtual Earth K276

Radio designer for self-assembly of a virtual earth board
Radio constructor Virtual Earth K276
Manufacturer: RADIO-KIT
In stock
57,96 UAH × = 57,96 UAH
from 1 pc : 57,96 UAH

Current balances:

Магазин-Днепр
9 pcs
For Online Orders
9 pcs

Изображение товара

Product description format_size zoom_out zoom_in

  A simple device for converting a single supply to a bipolar supply, for example, when it is not possible to use an appropriate transformer with a center tap. Such a case may occur, for example, when powering an amplifier or other devices.

Specifications:

  • Uin: 9 - 30 V
  • I symmetrical load: 3 A
  • I unbalanced load: 1 A
  • Uout: ±Uin/2 V

Schematic diagram:

Element layout:

General Description:

  Unlike a simple resistor divider, the circuit allows you to get a stable identical voltage at the output, equal to half the input.
  The principle of operation of the converter is similar to the operation of a compensation voltage regulator. The U1A chip compares the reference voltage supplied to the non-inverting input from the resistive divider R1-R2 with the voltage supplied to the inverting input from the output of the device. In accordance with this, the output signal is adjusted, which regulates the enable/disable of the output transistors. The maximum input voltage is limited by the supply voltage of the op-amp.
 
Notes:
• Output transistors must be mounted on a heatsink

 

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