DM8145A臺式真有效值數字萬用表電路圖
2008-12-04 21:35:17
要的因素之一,便是真有效值測量,特別是對電氣設備種類繁多,電氣環境復雜的工業類用戶。 非真有效值,也就是平均值響應的儀表,主要是針對標準工頻的正弦波的測量。常見的實現原理,是將測得的算數平均值讀數 x1.1,轉化成正弦波的
2020-10-29 20:56:56
336 AD636配以單片A/D轉換器,可構成真有效值數字電壓/電平表。AD636的管腳排列及
2010-12-07 15:03:55
1229 ![](https://file1.elecfans.com//web2/M00/A5/CC/wKgZomUMOieAAMZeAAIRbKRZRRg022.jpg)
所謂真有效值是“真正有效值”之意,其英文縮寫為TRMS(TRUE ROOT MEAN SQUARE)亦稱真均方根值。在不考慮初相伴
2010-12-07 14:25:47
1836 ![](https://file1.elecfans.com//web2/M00/A5/CC/wKgZomUMOieAfuGKAAFP0S0kpug323.jpg)
由MC14433構成的3,1 2位數字電壓表電路圖(配VFD顯示器)
2009-07-23 17:17:23
1902
由MC14433構成的3,1 2位數字電壓表電路圖(配LED顯示器)
2009-07-23 17:17:00
1449
由MC14433構成的3,1 2位數字電壓表電路圖(LED顯示器)
2009-07-23 17:16:38
1089
由ICL7137構成的3,1 2位數字電壓表電路圖
2009-07-23 17:15:38
1879 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0yASezgAACI982zc_Y659.jpg)
由ICL7136構成的3,1 2位數字電壓表電路圖
2009-07-23 17:15:13
2679
由ICL7129構成的4,1 2位數字電壓表電路圖
2009-07-23 17:12:10
4523
由ICL7126構成的3,1 2位數字電壓表電路圖
2009-07-23 17:11:18
2085 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0yAbgqEAABqgYcahhA152.jpg)
由ICL7117構成的3,1 2位數字電壓表電路圖
2009-07-23 17:10:55
1460 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0yABwKMAAB6ncFs7f4774.jpg)
由ICL7116構成的3,1 2位數字電壓表電路圖
2009-07-23 17:10:33
1180 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0yAVL6mAAB3mB3H7dM329.jpg)
由ICL7107構成的五量程位數字電壓表電路圖
2009-07-23 17:10:09
2227 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0yAE8PyAAC_rYsQhOo601.jpg)
由ICL7107構成的3,1 2位數字電壓表電路圖(之一)
2009-07-23 17:09:48
1856 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0yAE1LqAAE9Fodi0E0979.jpg)
由ICL7106構成的3,1 2位數字電壓表電路圖
2009-07-23 17:09:19
2592 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0yAZk9PAAHZSVFaqUU936.jpg)
由ICL7107構成的3,1 2位數字電壓表電路圖(之二)
2009-07-23 17:08:38
2083 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0yAYrZKAACOwq265XU114.jpg)
由HI7169構成的5,1 2位智能數字電壓表電路圖
2009-07-23 17:04:46
702 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0yALUPEAAFn9_I1FnQ178.jpg)
由ADD3701構成的3,1 2位數字電壓表電路圖
2009-07-23 17:04:05
1258 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0yABStlAADPu506k-Y382.jpg)
由AD7555構成的5,1 2位數字電壓表電路圖
2009-07-23 17:03:37
2441
由AD737構成的真有效值數字電壓表電路圖
2009-07-23 17:03:10
2784
由AD737構成的真有效值數字電壓表電路圖(雙電源、帶掉電控制開關)
2009-07-23 17:02:46
1852 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0yAY_H9AABT3MKwWaQ438.jpg)
由AD737構成的真有效值數字電壓表電路圖(單電源)
2009-07-23 17:02:20
2683 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0uAJWHYAABGn5xbBb0864.jpg)
由AD736構成的真有效值數字電壓表電路圖(雙電源、高阻抗輸入)
2009-07-23 17:01:56
2751 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0uAAjZPAABa_guoMpQ786.jpg)
由AD736構成的真有效值數字電壓表電路圖(單電源、低阻抗輸入)
2009-07-23 17:01:34
1451 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0uAPM6HAABFkOIcFT4642.jpg)
由AD637構成的真有效值數字電壓表電路圖(帶雙極型濾波器)
2009-07-23 17:01:11
1695 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0uAVEhYAABIJqgOuag447.jpg)
由AD637構成的真有效值數字電壓表電路圖(S閉合時呈微功耗備用模式)
2009-07-23 17:00:39
1178 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0uATgE_AABCzev_ts0424.jpg)
由AD637構成的真有效值數字電平表電路圖
2009-07-23 17:00:16
1502 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0uARJNfAABgIp_BzUc020.jpg)
由AD637構成的高準確度真有效值數字電壓表電路圖
2009-07-23 16:59:50
1983 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0uACTsmAABAqXvQPqY285.jpg)
由AD536構成的真有效值數字電壓表電路圖
2009-07-23 16:57:38
3992 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0uAIsVPAAA3BVz-wmk320.jpg)
由AD636構成的四量程真有效值數字電壓、電平表電路圖
2009-07-23 16:53:32
1471 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0uAWM_8AADIieUz7CQ537.jpg)
由AD536A構成的真有效值數字電壓表電路圖,AD536A是一款RMS到直流轉換的整體集成電路,它優于混合式或組合式的電路。
2009-07-23 16:53:07
2825 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0uAFYy2AABHa3la7YE194.jpg)
由AD536A構成的真有效值數字電壓表電路圖(帶雙極型后置濾波器)
2009-07-23 16:52:50
1720 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0uAOy7FAABH19kdRf4842.jpg)
由AD536A構成的真有效值數字電壓、電平表電路圖
2009-07-23 16:52:28
1863 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0uAc_28AAB2hhCkI68244.jpg)
適合測量低頻信號的真有效值數字電壓表電路圖
2009-07-23 16:52:08
627
8055型5,1 2位智能數字電壓表電路圖
2009-07-23 16:51:33
865
lX101型3,1 2位數字照度計的總電路圖
2009-07-23 16:48:43
722
TM6043型3,1 2位數字電感電容表的總電路圖
2009-07-22 18:22:46
1229 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0qAclwXAAIHIaeiU98426.jpg)
XBM-111、112型3,1 2位數字顯示報警儀的總電路圖
2009-07-22 18:18:53
711 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0qAKgUKAAGRnJd-FdQ591.jpg)
WK型3,1 2位數字溫控儀的總電路圖
2009-07-22 18:16:59
1797 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0qAKNysAAE7O-DccEg835.jpg)
T7106型3,1 2位數字溫度表的總電路圖
2009-07-22 18:15:42
843 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0qASbxiAABxr1hdzYI526.jpg)
ST89型3,1 2位數字壓力表的總電路圖
2009-07-22 18:14:18
833 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0qAJsSeAAHJtc_WVh4391.jpg)
ST89型3,1 2位數字溫度表的總電路圖
2009-07-22 18:12:25
618 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0qAQk9ZAAGRa6C0hFg619.jpg)
DM6301型3,1 2位數字光電轉速表的總電路圖
2009-07-22 18:07:18
816 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0qAaiqvAADk4DFCvPk440.jpg)
DT2232D型3,1 2位數字光電轉速表的總電路圖
2009-07-22 18:01:26
598 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0qANBJRAAFMo7gcTUg868.jpg)
DM6902型3,1 2位數字溫度表的總電路圖
2009-07-22 17:59:57
829 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0qAJIqHAADu5ln8rqQ939.jpg)
DM6266+型3,1 2位數字鉗形表的總電路圖
2009-07-22 17:47:56
3393 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0qAB0JNAAGEJf_RZgk034.jpg)
DM6025型3,1 2位數字光電轉速表的總電路圖
2009-07-22 17:45:30
512 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0qAbuKDAAEW3OAnUSw020.jpg)
DM801型3,1 2位數字溫度表的總電路圖
2009-07-22 17:44:11
808 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0qAOWYbAAErNuMakPo011.jpg)
DM6015型3,1 2位數字鉗形的總電路圖
2009-07-22 17:43:29
1450 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0mAetKFAAE15abHOGs899.jpg)
DM6013A型3,1 2位數字電容表的總電路圖
2009-07-22 17:42:57
2798 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0mAJGe7AAHJpQrfDH8706.jpg)
CM8601型3,1 2位數字電容表的總電路圖
2009-07-22 17:41:06
2475 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0mAdpPHAAG_NRSs2R8314.jpg)
3210型3,1 2位數字鉗形電流表的總電路圖
2009-07-22 17:39:07
2523 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0mAfAkLAAE8mFLP3uw293.jpg)
真有效值、直流轉換電路圖
2009-07-22 17:37:22
867 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0mAHNSFAAA6YQBrbWU213.jpg)
DT980和CM4400型4,1 2位真有效值數字萬用表的總電路圖
2009-07-22 17:25:31
1853 ![](https://file1.elecfans.com//web2/M00/A5/2F/wKgZomUMN0iAbENyAAHd2N24zj0957.jpg)
DT940改進型4,1 2直有效值數字萬用表的總電路圖
2009-07-22 17:20:59
627 ![](https://file1.elecfans.com//web2/M00/A5/2E/wKgZomUMN0iAbOlbAAGqbAHYP9g338.jpg)
DM8145A型4,1 2位臺式真有效值數字萬用表的總電路圖
2009-07-22 17:09:04
1153 ![](https://file1.elecfans.com//web2/M00/A5/2E/wKgZomUMN0eADqC8AAFAgguS3MQ323.jpg)
由TSC815構成的3,1 2位自動量程數字萬用表的總電路圖
2009-07-21 17:46:09
1227 ![](https://file1.elecfans.com//web2/M00/A5/2E/wKgZomUMN0eACYxhAAE6c5PZumM487.jpg)
由MC14433構成3,1 2位自動量程數字萬用表的總電路圖
2009-07-21 17:43:17
1897 ![](https://file1.elecfans.com//web2/M00/A5/2E/wKgZomUMN0aAfv7RAAELuYw9Cw4003.jpg)
TSG960A型語音報數3,1 2位數字萬用表的總電路圖
2009-07-21 17:41:32
943 ![](https://file1.elecfans.com//web2/M00/A5/2E/wKgZomUMN0aAAXNtAAGFg_HyTiY559.jpg)
PF24A型3,1 2位數字萬用表的總電路圖
2009-07-21 17:40:11
582 ![](https://file1.elecfans.com//web2/M00/A5/2E/wKgZomUMN0aAONEXAAFpUkfEAGc979.jpg)
M3800、DT3900型3,1 2位數字萬用表的總電路圖
2009-07-21 17:39:25
1913
DT860型3,1 2位自動量程數字萬用表的總電路圖
2009-07-21 17:34:37
2184 ![](https://file1.elecfans.com//web2/M00/A5/2E/wKgZomUMN0aAbyhKAAH5Y9KxRMg459.jpg)
DT860B型3,1 2位自動測量數字萬用表的總電路圖
2009-07-21 17:31:54
978 ![](https://file1.elecfans.com//web2/M00/A5/2E/wKgZomUMN0aASnmhAAFKz1Dlb8g270.jpg)
DM6022型3,1 2位數字萬用表的總電路圖
2009-07-21 17:30:47
737 ![](https://file1.elecfans.com//web2/M00/A5/2E/wKgZomUMN0aACO2rAAGuQymh-90801.jpg)
DM6018型3,1 2位數字萬用表的總電路圖
2009-07-21 17:29:16
814 ![](https://file1.elecfans.com//web2/M00/A5/2E/wKgZomUMN0aAONOgAAGvuteGiRM349.jpg)
DM6016型3,1 2位數字萬用表的總電路圖
2009-07-21 17:28:29
935 ![](https://file1.elecfans.com//web2/M00/A5/2E/wKgZomUMN0aAMsdpAAHDsxaiIoY973.jpg)
DT940C型3,1 2位數字萬用表總電路圖(之一)
2009-07-20 17:32:11
1643 ![](https://file1.elecfans.com//web2/M00/A5/2D/wKgZomUMN0SAXVVoAAHX_iHMjro416.jpg)
DT940C型3,1 2位數字萬用表總電路圖(之二)
2009-07-20 17:31:09
1507 ![](https://file1.elecfans.com//web2/M00/A5/2D/wKgZomUMN0SALxFJAAGl7iAURow853.jpg)
DT890D、CM3900型3,1 2位數字萬用表的總電路圖
2009-07-20 17:30:25
3774 ![](https://file1.elecfans.com//web2/M00/A5/2D/wKgZomUMN0SASTVoAAIauDN1zCQ525.jpg)
DT809C型3,1 2位數字萬用表的總電路圖
2009-07-20 17:27:21
680 ![](https://file1.elecfans.com//web2/M00/A5/2D/wKgZomUMN0OAJ673AAIaf8bYDnc762.jpg)
DT809C型3,1 2位AD轉換電路圖
2009-07-20 17:26:51
599 ![](https://file1.elecfans.com//web2/M00/A5/2D/wKgZomUMN0OAUbO8AACB7IOjr7U048.jpg)
M830B型3,1 2位數字萬用表的總電路圖
2009-07-18 17:37:27
1601 ![](https://file1.elecfans.com//web2/M00/A5/2B/wKgZomUMNziABE4HAAE24-LjZq4650.jpg)
DT-2型3,1 2位數字萬用表電路圖(PB2板、PB3板)
2009-07-18 17:36:14
1108 ![](https://file1.elecfans.com//web2/M00/A5/2B/wKgZomUMNziAfyYNAALx1ot_79Q953.jpg)
DT-2型3,1 2位數字萬用表電路圖(PB1板)
2009-07-18 17:35:30
854 ![](https://file1.elecfans.com//web2/M00/A5/2B/wKgZomUMNziAKRchAALsNE-RWfo493.jpg)
DT-1型3,1 2位數字萬用表電路圖(PB2、PB3板)
2009-07-18 17:31:45
732 ![](https://file1.elecfans.com//web2/M00/A5/2B/wKgZomUMNziANG7WAALuuf0NoeM638.jpg)
DT-1型3,1 2位數字萬用表電路圖(PB1板及電源部分)
2009-07-18 17:30:49
817 ![](https://file1.elecfans.com//web2/M00/A5/2B/wKgZomUMNziALUYwAALs88a6_1g827.jpg)
DT890B型3,1 2位數字萬用表總電路圖(之一)
2009-07-18 17:24:40
2462 ![](https://file1.elecfans.com//web2/M00/A5/2B/wKgZomUMNzeAamtyAAGPUbPNJso138.jpg)
DT890B型3,1 2位數字萬用表總電路圖(之二)
2009-07-18 17:13:31
1539 ![](https://file1.elecfans.com//web2/M00/A5/2B/wKgZomUMNzeAEBtYAAE1ESGm1-0908.jpg)
DT890、DT890A型3,1 2位數字萬用表的總電路圖
2009-07-18 17:08:56
2579 ![](https://file1.elecfans.com//web2/M00/A5/2B/wKgZomUMNzeAOyNqAAFeCPbmzcs398.jpg)
DT830D型3,1 2位數字萬用表的總電路圖
2009-07-18 16:56:25
4493
DT830C、CM2400型3,1 2位數字萬用表的總電路圖
2009-07-18 16:52:48
538 ![](https://file1.elecfans.com//web2/M00/A5/2A/wKgZomUMNzaAHjLjAAG5rved7Dg306.jpg)
DT830B、CM2300型3,1 2位數字萬用表的總電路圖
2009-07-18 16:47:58
1923
DT810型3,1 2位數字萬用表總電路圖
2009-07-18 16:38:29
548 ![](https://file1.elecfans.com//web2/M00/A5/2A/wKgZomUMNzSACkPqAAFc-36qHDo143.jpg)
DT810型3,1 2位數字萬用表的總電路圖
2009-07-18 16:38:09
535 ![](https://file1.elecfans.com//web2/M00/A5/2A/wKgZomUMNzSAeowNAAHwlWGJOnE431.jpg)
有效值、直流轉換電路圖
2009-07-16 11:48:23
424 ![](https://file1.elecfans.com//web2/M00/A5/27/wKgZomUMNyaAe0WDAAFtnuuyfWs099.jpg)
AD636是美國AD公司生產的單片真有效值,直流轉換器,可用于對交流電壓的有效值進行測量.文中敘述了該芯片的內部結構、工作原理,給出了一種4量程真有效值數字電壓/電平表的應用電
2009-04-23 17:25:35
75
數字電壓表自動校準電路圖
2009-04-15 09:26:49
3154 ![](https://file1.elecfans.com//web2/M00/A4/C1/wKgZomUMNY-AHiuqAABwjM_ypFU654.jpg)
4位液晶顯示數字電壓表電路圖
2009-04-15 09:23:36
2273 ![](https://file1.elecfans.com//web2/M00/A4/C1/wKgZomUMNY-AXujgAACiFAt2mG0179.jpg)
3位數字電壓表電路圖
2009-04-15 09:23:15
6237 ![](https://file1.elecfans.com//web2/M00/A4/C1/wKgZomUMNY-AXuQCAAEJ_DLbWgA022.jpg)
3位精確有效值交流電壓表電路圖
2009-04-15 09:22:46
3228 ![](https://file1.elecfans.com//web2/M00/A4/C1/wKgZomUMNY-AQgkFAACB0sS5O-Y553.jpg)
3位共陽極顯示數字電壓表電路圖
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