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Amazon.com: Juried Engineering LM324N LM324 Quadruple Independent High-Gain Frequency-Compensated Operational Amplifier Op-Amp IC DIP-14 14-PIN DIP Breadboard-Friendly (Pack of 10) : Industrial & Scientific
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Funcionamento e aplicações de circuitos comparadores LM324-Electron-FMUSER FM / TV Broadcast Fornecedor One-Stop
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