Bitmain Miner:Bitmain Antminer L7 (9.5Gh),Bitmain Antminer L7 (9.16Gh),Bitmain Antminer L7 (9.05Gh),Bitmain Antminer L3+ (504Mh),Bitmain Antminer L3+ (600Mh),Bitmain Antminer L3++ (580Mh),Bitmain Antminer L3++ (596Mh)
Bitmain is the world's leading digital currency mining machine manufacturer. Its brand ANTMINER has maintained a long-term technological and market dominance in the industry, with customers covering more than 100 countries and regions. The company has subsidiaries in China, the United States, Singapore, Malaysia, Kazakhstan and other places.
Bitmain has a unique computing power efficiency ratio technology to provide the global blockchain network with outstanding computing power infrastructure and solutions. Since its establishment in 2013, ANTMINER BTC mining machine single computing power has increased by three orders of magnitude, while computing power efficiency ratio has decreased by two orders of magnitude. Bitmain's vision is to make the digital world a better place for mankind.
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Circuit working principle: In the circuit, HTD and FET VT constitute acoustic vibration sensing receiving and high sensitivity amplification circuit, Rp is sensitivity adjustment potentiometer. lC1, R4, C3 form a monostable delay circuit with a delay of t=1.1R3·C4≈2min. IC2, R5, R6, and C4 form an audio oscillator.