TB531 is a dedicated deaf hearing aid integrated circuit. This circuit has the advantages of low power supply voltage, low power consumption, high gain, low noise, good buck characteristics, large volume control range, etc. The external components required for assembling the hearing aids with TB531 are small. High reliability, easy installation and debugging. The internal circuit of TB531 is composed of four-stage direct-coupled audio amplifier circuit. The microphone signal can be directly input from the 3 pin and 9 pin of the IC. After four-stage amplification, the 5-pin from the IC , 7 feet This article refers to the address: http://
We could provide 3leds and 5leds per bar Osram Led Modules , they are one of our hot seller, we produce thirty thousand pieces per year, our good qualiy and stable color comformity is favored by customer. 3les and 5leds could be mixed for one light box project which enchanced their flexibility greatly. We pack the LED Module with plastic tray, usually 50piece per carton to avoid shipment destruction.
Best for 12-40cm depth double-sided light box or 10-20cm depth single-sided light box at airports,metros, banks, buildings and shopping malls, etc.
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