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1 Anonymous Users
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Re: PIC16F17xx differential amplifier 異常輸出?
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中級會員
 
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CMRR (CMR) Compare
ST 70~85 db Hitachi 80 db ROHM 70~80 db PIC16F17xx 55~70 db
發表於: 7/30 23:55
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Re: PIC16F17xx differential amplifier 異常輸出?
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中級會員
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隨便使用一顆LM358(HA17358)都能放大1000倍,PIC16F17xx完全失敗....
Why not take a break and come back in 6000 sec(Really bad operation) You don't have the right to edit in this forum. Attach file:  11.jpg (100.07 KB)
發表於: 7/26 11:37
Edited by F1-4 on 2025年07月26日 12:15:14
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Re: PIC16F17xx differential amplifier 異常輸出?
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中級會員
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#include "mcc.h"
void SYSTEM_Initialize(void) { PIN_MANAGER_Initialize(); OSCILLATOR_Initialize(); WDT_Initialize(); OPA1_Initialize(); OPA2_Initialize(); TMR4_Initialize(); TMR2_Initialize(); TMR0_Initialize(); } void OSCILLATOR_Initialize(void) { // SCS FOSC; SPLLEN disabled; IRCF 8MHz_HF; OSCCON = 0x70; // SOSCR disabled; OSCSTAT = 0x00; // TUN 0; OSCTUNE = 0x00; // SBOREN disabled; BORFS disabled; BORCON = 0x00; // Wait for PLL to stabilize while(PLLR == 0) { } } void WDT_Initialize(void) { // WDTPS 1:65536; SWDTEN OFF; WDTCON = 0x16; } /** End of File */ Attach file: 12.jpg (154.19 KB)
發表於: 7/26 9:55
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Re: PIC16F17xx differential amplifier 異常輸出?
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管理員
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方便提供一下MCC的設定跟初始化的程式嗎?
發表於: 7/25 15:13
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PIC16F17xx differential amplifier 異常輸出?
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中級會員
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PIC16F1705使用內部OP AMP做 differential amplifier無法放大輸出?
然後電路外部使用 HA1735,輸出正常.. Attach file: 9.jpg (80.34 KB) 8.jpg (132.71 KB)
發表於: 7/21 23:19
Edited by F1-4 on 2025年07月21日 23:39:15
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