Siemens 2xUL1970 UAA170 INDICATOR 30 DIODES / # T W2D 9392

Description

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In this auction we offer:
I am offering you two UAA170 integrated circuits manufactured by Siemens.
The circuit is a driver for the LED bar, which differs from most lines in that the indicator is a luminous point (the equivalent of an arrow moving along a scale).
The offered systems (UAA170) can work individually, they are a driver of 15 LEDs, or in a double system, then they work as one 30-LED line.
The offered system is in this configuration, i.e. it works like one 30-diode line.
At the same time, the board has photodiodes that regulate the brightness and additional 8 LEDs.
The offered component was manufactured for military equipment and is of very good quality.
We provide a start-up guarantee.
It is also perfect as a source of spare parts for old Radmor receivers.
Tile dimensions 12x8 cm
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