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AVT2270 B
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  • AVT2270 B
ID: 46215

MILLIOLOMETER FOR POWER SUPPLY MODULE - A KIT FOR INDEPENDENT INSTALLATION

Retired

MILLIOLOMETER FOR POWER SUPPLY MODULE - A KIT FOR INDEPENDENT INSTALLATION

Producer: AVT

The voltmeter module was designed as a cheap element of a large laboratory power supply. The measuring range 0-99.9 V ideally 'fits' the direct control of the output voltage.
The popular ICL7107 chip was used as the ac converter. In its structure it contains all the elements needed to make a panel meter - an analog part including decoders and buffers controlling LED displays. ICL7660 is also on the board. This is a negative voltage converter circuit (necessary for ICL 7107). Thanks to this, the entire kit can be powered from one positive voltage.
The tile has small dimensions and has been designed universally; exchanging or adding individual elements, you can easily change the measuring range or use the current measurement module.

The device is recommended especially for designers of measuring equipment, for electronic and service rooms

Selected parameters:

  • voltage measurement in the range of 0-99.9 V
  • the ability to measure voltages in the range 0-0.999 V
  • possibility of using the current measurement module
  • readout field - three seven-segment LED displays
  • one power supply
  • power supply - 5 V
  • plate dimensions: 30x70mm
  • in the set a printed circuit board, a set of elements and documentation

    An assembled version of AVT2270 C is available
        Detailed description in
    EdW 3/98

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46215

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