[毕业设计]单片机心电放大器设计

-1-心电放大器设计报告1.引言a1a0a2a3a4a5a6a7a8a9a10a11a12a3a4a13a14a16a17a15a18a19a1a20a4a21a22a23a24a25a26a27a28a29a21a30a31a32a33a34a35a21a36a8a9a38a39a37a24a25a1a40a41a42a10a43a30a42a42a5a44a21a10a16a46a45a47a42a10a1a48a49a50a51a52a53a54a55a56a57a58a35a21a30a16a30a59a60a61a62a63a10a56a57a64a5a65a45a66a67a69a68a71a29a70a72a73a74a29a75a10a1a48a49a76a77a70a54a55a70a78a79a80a81a1a40a41a42a82a84a38a85a83a86a87a88a89a90a14a91a92a93a94a96a97a95a98a99a96a101a100a102a103a10a1a48a104a105a106a16a59a107a108a109a110a111a86a112a43a113a114a115a117a116a1a48a66a67a118a38a120a118a106a10a119a105a121a122a5a48a123a98a99a96a125a45a96a92a93a94a124a126a85a92a127a16a129a128a130a71a131a132a133a10a134a136a4a6a10a32a33a31a135a137a138a139a62a60a140a10a125a45a100a141a382系统概述：a142a143a144a59a145a146a147a148a149a150a13a151a16a12a152a153a10a154a155a156a157a158a142a143a144a143a144a1a48a49a1a20a5a159a160a147a148a130a136a12a10a106a161a38a24a25a1a20a58a162a163a145a146a62a164a165a10a166a167a31a168a169a170a117a16a0a171a172a27a59a173a174a10a159a160a147a148a130a58a175a163a176a117a38a1a20a59a50a177a101a166a167a13a151a16a178a179a180a36a48a181a117a38a1a182a181a117a183a180a36a10a184a71a48a176a111a185a186a187a188a189a190a191a192a81a188a193a16a46a188a193a58a194a195a196a180a36a58a194a10a48a196a38a197a198a59a188a193a104a199a200a155a48a34a16a54a201a45a192a202a203a204a81a1a48a49a50a205a206a207a208a10a48a176a89a209a10a200a210a16a211a212a213a214a1a20a181a117a10a29a75a215a216a16a217a188a193a200a122a75a10a48a196a218a66a67a219a220a16a84a126a14a221a222a223a10a224a202a16a225a64a5a1a48a49a38a197a49a226a128a91a128a227a10a1a48a49a158a228a229a230a231a232a233a234a235a236a237a238a239a240a232a241a242a233a234a235-2-a243a244a245a246a247a248a249a250a251a252a253a254a255a233a0a254a1a251a243a2a3a4a1a5a6a7a233a1a254a1a8a7a253a6a235a16a241a242a14a9a10a233a234a235a246a11a12a13a15a17a18a19a246a11a12a96a69a20a71a21a22a23a246a11a12a96a5a251a245a251a11a12a96a252a24a25a26a246a11a12a96a27a28a29a30a31a32a29a33a34a35a38a36a47a37a39a40a41a42a43a44a29a33a34a45a46a48a49a50a51a52a29a33a34a38a46a53a225a53a46a29a33a54a55a62a56a57a58a29a33a59a216a60a61a33a63a64a198a65a66a67a68a70a72a73a74a75a41a76a77a59a108a76a77a78a79a80a72a81a54a55a59a76a77a41a221a82a83a67a221a84a59a85a86a87a88a101a38a89a90a91a47a41a54a55a87a92a86a93a66a54a55a187a94a150a54a55a59a93a66a54a55a95a86a97a98a54a55a187a99a100a102a63a93a66a54a55a103a104a38a89a90a131a39a40a36a47a41a42a97a98a105a106a54a55a191a107a59a104a109a57a62a110a111a112a111a113a114a81a97a98a54a55a59a244a115a116a111a244a115a117a111a244a115a118a114a81a99a100a54a55a119a45a115a225a120a115a121a122a81a94a63a54a55a38a123a131a110a111a112a111a113a124a125a42a126a36a127a128a111a229a128a119a45a127a129a130a76a33a63a132a41a33a100a217a59a133a60a134a33a63a187a133a135a33a63a103a104a59a42a136a63a54a55a38a136a63a54a55a137a42a138a139a76a81a61a140a77a41a33a141a217a38a244a115a116a120a115a121a42a102a63a54a55a59a137a42a138a139a142a72a77a68a143a144a145a41a33a141a38a146a72a81a133a135a33a63a187a60a134a33a63a147a148a80a59a123a149a151a152a153a59a154a65a155a161a29a156a157a91a158a115a225a159a187a127a150a160a29a162a163a164a158a115a165a111a115a121a159a38a97a98a54a55a41a166a77a39a40a167a126a168a56a29a30a41a169a170a171a172a59a196a173a174a160a29a162a175a176a111a29a156a157a91a35a59a177a177a112a111a113a54a55a178a119a57a58a179a180a181a41a151a182a38a46a53a46a29a33a183a184a41a166a77a45a143a185a169a33a186a41a125a188a29a33a183a184a41a166a77a173a183a184a105a104a189a190a59a91a192a41a29a33a193a194a72a195a1970.05a199100Hza103a132a59a200a201a124a125a202a131a19717Hz-3-a203a204a59a205a206a49a655mVa59a29a33a33a63a207a208a209a169a59a72a195a197a210a211a212a213a119上。在检测生物电信号的同时存a197a214a169a41a215a218a59a124a125a86a33a63a219a51a220a31a254a82a222a219(a72a195a49a651Hz)a59a33a223a28a193a215a218(50Hz)a59a162a33a215a218(a210a211Hza119a224)a38a33a223a28a193a215a218a124a125a42a119a226a227a182a92a228a197a59a205a230a178a231a210Va232a234a210a105Va59a147a119a29a33a185a169a235a236a237a85a86a238a239a41a226a227a240a241a242(80dBa119a224)a38a33a63a219a51a220a31a254a82a222a219a42a146a65a61a201a33a63a243a246a247a66a103a132a79a80a248a249a250a33a253a255a40a246a41a113a175a33a100a59a37a169a178a231300mVa59a114a108a59a29a33a185a169a235a41a150a115a0a1a59a200a2a169a38a146a65a183a184a223a71a207a178a231a210a105Ka119a111a120a234a147a119a59a29a33a185a169a235a41a121a3a207a208a236a237a197a210Ma119a119a224a38a193a50a197a86a223a93a44a123a151a235a131a125a188a200a124a86a63a167a123a4a243a29a33a183a184a133a135a41a239a193a183a184a59a37a174a197a5a6a125a188a143a142a72a193a76a41a183a184a200a124a240a241a127a7a8a38a44a2a191a107a130a140a59a37a174a131a179a185a169a111a133a43a9a215a218a41a29a33a183a184a38a46a53a134a135a66a33a186a136a34a85a33a186a5a6a124a125a42a146a137a194a104a79a80a38a138a72a42a150a198a185a169a33a186a38a224a72a115a0a1a10a225a140a140a199a46a165a140a141a127a229a38a138a106a42a240a241a226a227a183a184a33a186a38a142a66a47a56a229a129a41a51a33a186a59a210a59a144a178a119a145a4a123a131a41a226a227a33a100a59a146a28a147a104a98a11a12a13a14a16a46a15a17a18a44a19a148a20a21a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