请教lm353放大电路问题 最大值

echozhang110

使用LM353进行放大运算处理，接入电源12v ，第一级放大倍数500k/230=2173  因此输入信号最大值12v/2137=5.61mv

但现在第一级输入低于5mv的信号，放大倍数总是100多倍，达不到2000多倍，请教各位大侠 这是什么原因？具体电路如下图所示

echozhang110

自己先顶下，谢谢各位大侠呵呵

echozhang110

图不是很清晰，双击图片效果可能会好一点

lilulu

学习啊
Cheap NHL jerseysCheap Gucci handbagsMoncler man shoesWomen's Classic Cardy Bootsgucci sunglass replicaCheap NFL jerseysBlock machineBrick machineBrick making machineNFL jerseys suppliersDC hats wholesaleNars foundation onlineApple laptopwholesaleCheap nhl jerseysHockey jerseysEd hardy jeans saleChristian Louboutin Half bootsMoncler Jackets WomenWedding Dress ShopsBridal Wedding DressesCheap Wedding DressesWilson Tennis RacquetBabolat Tennis RacquetHead Tennis RacquetWedding Dresses DiscountDC caps wholesaleDsquared ShoesPuma Mummy shoesBuy true religion jeansReplica tiffany necklace Moncler Womenscoatscustom nfl jerseysCheap Youth Nfl JerseysMlb Jerseys SupplierTennis Racquets wholesaleCustom Nfl Jerseysmbt shoes on linembt shoes for salecheap mbt shoesChristian Louboutin pumpscheap moncler jacketTimberland shoes for menasics shoes suppliersNBA jerseys WholesaleNike air max shoes wholesaleGucci purse wholesalerNike air max 2011外贸网络营销sandstone vanity topsWholesale Gucci Shoes Moncler Mens JacketsIndianapolis Colts JerseysJimmy ChooAir Max 90 Men BootsNike air max 2003Buy World Of Warcraft GoldBuy Wow GoldBuy Lotro GoldBuy Aion Kinah Buy Final Fantasy XIV Gil Buy Star Wars Galaxies Credits Buy Metin 2 YangCheap World of Warcraft GoldCheap Wow Gold Buy Tera Gold Buy Lineage 2 Adena Buy MMO Gold Buy 4Story Gold Buy Allods Online GoldBuy Dofus Kamas Buy Warcraft GoldBuy Eve Isk Cheap Tera Online GoldBuy Guild Wars Gold Buy Runes Of Magic Gold Buy Knight Online Noah Cheap Warcraft Gold Cheap Eve IskCheap EQ2 Plat Buy Warhammer GoldBuy Maple Story MesosBuy Silkroad Online GoldBuy Cabal ALZBuy Last Chaos GoldBuy Ragnarok Online Zeny buy rift goldbuy rift platbuy rift Platinum