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$2 for 5pcs 2-layer / $5 for 5pcs 4-layer PCBs: https://jlcpcb.com We'll figure out how an operational amplifier (abbreviated OP) works and what negative feedback is. We'll find out what gain is, what types of connections there are, and how audio amplifiers with an op amp work. ???? Support video production by becoming a sponsor: https://boosty.to/hidev ???? My equipment: https://www.hi-dev.ru/ali/moe-oborudo... ▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂ ▽ SEE ALSO ▽ ► Comparator: • COMPARATOR in electronics. The most un... ► Voltage divider: • What is a voltage divider? ► DIY microphone: • Making a QUALITY MICROPHONE for blogging... ► Hi AMP guitar amplifier: • DIY homemade Hi AMP guitar amplifier! ► Playlist for beginners: • Electronics for beginners ► Playlist about electronic components: • Electronic components ▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂ ▽ CONTACTS ▽ ▶ Yandex.Zen: https://zen.yandex.ru/hidev ➦ Our website: www.hi-dev.ru/ ☺ VK group: vk.com/hidevru ➣ Telegram channel: t.me/hidevidson ???? For advertising and cooperation: [email protected] #OperationalAmplifier #amplifier