Tondi Elektroonika

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Tondi Elektroonika, formerly known as Tallinna Pooljuhttakistite Tehas ('Tallinn Semiconductor Resistor Factory'), Hans Pöögelmanni nimeline Tallinna Raadiotehnika Tehas ('Tallinn Radiotechnical Factory named after Hans Pöögelmann') and Hans Pöögelmanni nimeline Elektrotehnika Tehas ('Hans Pöögelmann Electrotechnical Factory'), as well as Factory A-1381, was a factory for electrotechnical components located in Tallinn, Estonia. It was a significant component of the Soviet military-industrial complex.^[1]

When the centralization of the USSR economy resumed in 1966, the national councils were abolished and the factory was subordinated to Moscow and renamed Factory A-1381. As the public name of the numeric factory was not allowed to contain location, the factory was named after September 1, 1966, as the Hans Pöögelmann electrical engineering factory (the electrical engineering factory (abbreviation ETT)). Under this name, the company operated in all its glory to the formation of Tondi electronics in 1991. During this time, the P-N-P-type bipolar transistors and thyristors, the P-channel output transistors and the transistor pair and the outdoor transistor input were produced. In addition, there were some consumer products in production and hearing -proofs about medical electronics.^{[citation needed]}