我们不废话，就是价格高。CPU主控、BGA、手机IC，数码相机IC、监控IC、电脑IC、IC、摄像头IC、家电IC、数码IC、
车载IC、通信IC、通讯IC等产品类IC，SPHE系列、SAA系列、XC系列、RT系列、TDA系列、CS系列、EPM系列、二三极管、单片机
、IG模块、网卡芯片、显卡芯片、液晶芯片、霍尔元件、贴片发光管、贴片电容、贴片电感、内存FLASH、南北桥、钽电容、
宁波收购二三极管上门收购
晶振、家电IC、音频IC、数码IC、监控IC、IC、通讯IC、手机IC、内存IC、通信IC、IC、音响IC、电源IC、鼠标IC、电脑周边配件、手机周边配件等 高价回收工厂及个人积压库存、转产等电子元器件，长期高价现金收购个人和工厂库存电子元件，
我们以努力处事、以诚信待人，能迅速为客户消化库存、减少仓储、回笼资金，我们灵活方便，现金支付，价格合理，尽量满足
客户的要求高价回收工厂芯片电子IC芯片工厂库存，宁波收购二三极管上门收购
收电子库存团队评估高价收购电子IC芯片模块库存 高价回收工厂个人闲置 电子IC模块 本公司高价回收IC电子料/电源芯片，滤波器，电感磁珠，TOS，光耦 MCU单片机，连接器，卡座，电容电
阻，丝，桥推，三极管，内存DDR K9K4 等各种进口元器件 爱特梅尔 飞思卡尔 德州 仙童 罗姆 村田 美信 NXPARM，DSP，
FPGA，POWER ALTERA XILINX ADI TI STM32F ATMEL NXP PIC C8051F STC12C，现代HY、ON 、IR 、TOSHIBA 、INFINEON
、TI 、ST、ALTERA、 XILINX 、 PIC、STC，自己压货，高价诚心诚信回收，24小时恭候你的来电。
长期回收以下型号：
UPD70F3583GJA1-GAE-AX
UPD70F3583GJA2-GAE-AX
UPD70F3583GJA-GAE-AX
UPD70F3584GJA1-GAE-AX
UPD70F3584GJA2-GAE-AX
UPD70F3584GJA-GAE-AX
UPD70F3585GJA1-GAE-AX
UPD70F3585GJA2-GAE-AX
UPD70F3585GJA-GAE-AX
UPD70F3610M1GBA1-GAH-AX
UPD70F3610M1GBA2-GAH-AX
UPD70F3610M1GBA-GAH-AX
UPD70F3610M2GBA1-GAH-AX
UPD70F3610M2GBA2-GAH-AX
UPD70F3610M2GBA-GAH-AX
UPD70F3611M1GBA1-GAH-AX
UPD70F3611M1GBA2-GAH-AX
UPD70F3611M1GBA-GAH-AX
UPD70F3611M2GBA1-GAH-AX
UPD70F3611M2GBA2-GAH-AX
UPD70F3611M2GBA-GAH-AX
UPD70F3612M1GBA1-GAH-AX
UPD70F3612M1GBA2-GAH-AX
UPD70F3612M1GBA-GAH-AX
UPD70F3612M2GBA1-GAH-AX
UPD70F3612M2GBA2-GAH-AX
UPD70F3612M2GBA-GAH-AX
UPD70F3613M1GBA1-GAH-AX
UPD70F3613M1GBA2-GAH-AX
UPD70F3613M1GBA-GAH-AX
UPD70F3613M2GBA1-GAH-AX
UPD70F3613M2GBA2-GAH-AX
UPD70F3613M2GBA-GAH-AX
UPD70F3614M1GBA1-GAH-AX
UPD70F3614M1GBA2-GAH-AX
UPD70F3614M1GBA-GAH-AX
UPD70F3614M2GBA1-GAH-AX
UPD70F3614M2GBA-GAH-AX
UPD70F3615M1GKA1-GAK-AX
UPD70F3615M1GKA2-GAK-AX
UPD70F3615M1GKA-GAK-AX
UPD70F3615M2GKA1-GAK-AX
UPD70F3615M2GKA2-GAK-AX
UPD70F3615M2GKA-GAK-AX
UPD70F3616M1GKA1-GAK-AX
UPD70F3616M1GKA2-GAK-AX
UPD70F3616M1GKA-GAK-AX
UPD70F3616M2GKA1-GAK-AX
UPD70F3616M2GKA2-GAK-AX
UPD70F3616M2GKA-GAK-AX
UPD70F3617M1GKA1-GAK-AX
UPD70F3617M1GKA2-GAK-AX
UPD70F3617M1GKA-GAK-AX
UPD70F3617M2GKA1-GAK-AX
UPD70F3617M2GKA2-GAK-AX
UPD70F3617M2GKA-GAK-AX
UPD70F3618M1GKA1-GAK-AX
UPD70F3618M1GKA2-GAK-AX
UPD70F3618M1GKA-GAK-AX
UPD70F3618M2GKA1-GAK-AX
UPD70F3618M2GKA2-GAK-AX
UPD70F3618M2GKA-GAK-AX
UPD70F3619M1GKA1-GAK-AX
UPD70F3619M1GKA2-GAK-AX
UPD70F3619M1GKA-GAK-AX
UPD70F3619M2GKA1-GAK-AX
UPD70F3619M2GKA2-GAK-AX
UPD70F3619M2GKA-GAK-AX
UPD70F3620M1GCA1-UEU-AX
UPD70F3620M1GCA2-UEU-AX
UPD70F3620M1GCA-UEU-AX
UPD70F3620M2GCA1-UEU-AX
UPD70F3620M2GCA2-UEU-AX
UPD70F3620M2GCA-UEU-AX
UPD70F3621M1GCA1-UEU-AX
UPD70F3621M1GCA2-UEU-AX
UPD70F3621M1GCA-UEU-AX
UPD70F3621M2GCA1-UEU-AX
UPD70F3621M2GCA2-UEU-AX
UPD70F3621M2GCA-UEU-AX
UPD70F3622M1GCA1-UEU-AX
UPD70F3622M1GCA2-UEU-AX
UPD70F3622M1GCA-UEU-AX
UPD70F3622M2GCA1-UEU-AX
UPD70F3622M2GCA2-UEU-AX
UPD70F3622M2GCA-UEU-AX
UPD70F3700GB-8EU-A
UPD70F3701GB-8EU-A
UPD70F3702GK-9EU-A
UPD70F3703GK-9EU-A
UPD70F3704GK-9EU-A
UPD70F3706GC-8EA-A
UPD70F3707GC-8EA-A
UPD70F3709GJ-UEN-A
UPD70F3710GJ-UEN-A
UPD70F3711GJ-UEN-A
UPD70F3712GJ-UEN-A
UPD70F3713GC-8BS-A
UPD70F3714GC-8BS-A
UPD70F3715GC-8EA-A
UPD70F3715GF-J-A
UPD70F3716GC-8EA-A
UPD70F3716GF-J-A
UPD70F3717GC-8EA-A
UPD70F3717GF-J-A
UPD70F3718GC-8EA-A
UPD70F3719GC-8EA-A
UPD70F3720GJ-UEN-A
UPD70F3721GJ-UEN-A
UPD70F3722GJ-UEN-A
UPD70F3723GJ-UEN-A
UPD70F3724GJ-UEN-A
UPD70F3735GK-GAK-AX
UPD70F3736GC-GAD-AX
UPD70F3736GK-GAK-AX
UPD70F3737GC-UEU-AX
UPD70F3738F1-CAH-A
UPD70F3738GC-UEU-AX
UPD70F3739GC-UEU-AX
UPD70F3740GC-UEU-AX
UPD70F3741GC-UEU-AX
UPD70F3742GC-UEU-AX
UPD70F3743GJ-GAE-AX
UPD70F3744GJ-GAE-AX
UPD70F3745GJ-GAE-AX
UPD70F3746GJ-GAE-AX
UPD70F3747GB-GAH-AX
UPD70F3750GK-GAK-AX
UPD70F3752GC-UEU-AX
UPD70F3755GJ-GAE-AX
UPD70F3757GJ-GAE-AX
UPD70F3760GC-UEU-AX
UPD70F3761GC-UEU-AX
UPD70F3762GC-UEU-AX
UPD70F3763GC-UEU-AX
UPD70F3764GC-UEU-AX
UPD70F3765GF-GAT-AX
UPD70F3766GF-GAT-AX
UPD70F3767GF-GAT-AX
UPD70F3768GF-GAT-AX
UPD70F3769GF-GAT-AX
UPD70F3770GC-UEU-AX
UPD70F3771GF-GAT-AX
UPD70F3778GF-GAT-AX
UPD70F3779GF-GAT-AX
UPD70F3780GF-GAT-AX
UPD70F3782GF-GAT-AX
UPD70F3783GF-GAT-AX
UPD70F3785GJ-GAE-AX
UPD70F3786GJ-GAE-AX
UPD70F3792GC-UEU-AX
UPD70F3793GC-UEU-AX
UPD70F3794GC-UEU-AX
UPD70F3795GC-UEU-AX
UPD70F3796F1-CAH-A
UPD70F3796GC-UEU-AX
UPD70F3802GA-GAM-AX
UPD70F3804GA-GAM-AX
UPD70F3815GA-GAM-AX
UPD70F3817GA-GAM-AX
UPD70F3818GA-GAM-AX
UPD70F3819GA-GAM-AX
UPD70F3821GB-GAH-AX
UPD70F3824GB-GAH-AX
UPD70F3825GB-GAH-AX
UPD70F3828GB-GAH-AX
UPD70F3829GB-GAH-AX
UPD70F3839GA-GAM-AX
UPD70F3840GB-GAH-AX
UPD70F3842GC-UEU-AX
UPD70F3913GC-UEU-AX
UPD70F3913GF-GAS-AX
UPD70F3914GC-UEU-AX
UPD70F3914GF-GAS-AX
UPD70F3915GC-UEU-AX
UPD70F3916GF-GAT-AX
UPD70F3918GF-GAT-AX
UPD70F3922GF-GAT-AX
UPD70F3924GF-GAT-AX
UPD70F3925AGMA-GAR-G
UPD70F3925GMA-GAR-G
UPD70F3926AGMA-GAR-G
UPD70F3926GMA-GAR-G
UPD70F3927AGMA-GAR-G
UPD70F3927GMA-GAR-G
UPD70F3931AGJA-GAE-G
UPD70F3931BGJA-GAE-G
UPD70F3931GJA-GAE-G
UPD70F3932AGJA-GAE-G
UPD70F3932BGJA-GAE-G
UPD70F3932GJA-GAE-G
UPD70F3933AGJA-GAE-G
UPD70F3933BGJA-GAE-G
UPD70F3933GJA-GAE-G
UPD70F3934AGJA-GAE-G
UPD70F3934BGJA-GAE-G
UPD70F3934GJA-GAE-G
UPD70F3935AGJA-GAE-G
UPD70F3935BGJA-GAE-G
UPD70F3935GJA-GAE-G
UPD70F3936AGJA-GAE-G
UPD70F3936BGJA-GAE-G
UPD70F3936GJA-GAE-G
UPD70F3937BGJA-GAE-G
UPD70F3937GJA-GAE-G
UPD70F3938AGJA-GAE-G
UPD70F3938BGJA-GAE-G
UPD70F3938GJA-GAE-G
UPD70F3939BGJA-GAE-G
UPD70F3939GJA-GAE-G
UPD70F4013M1GCA9-UEU-G
UPD70F4013M1GCA-UEU-G
UPD70F4013M2GCA9-UEU-G
UPD70F4013M2GCA-UEU-G
UPD70F4014M1GCA9-UEU-G
UPD70F4014M1GCA-UEU-G
UPD70F4014M2GCA9-UEU-G
UPD70F4014M2GCA-UEU-G
UPD70F4015M1GJA9-GAE-G
UPD70F4015M1GJA-GAE-G
UPD70F4015M2GJA9-GAE-G
UPD70F4015M2GJA-GAE-G
UPD70F4016M1GJA9-GAE-G
UPD70F4016M1GJA-GAE-G
UPD70F4016M2GJA9-GAE-G
UPD70F4016M2GJA-GAE-G
UPD70F4017M1GMA9-GAR-G
UPD70F4017M1GMA-GAR-G
UPD70F4017M2GMA9-GAR-G
但是蜂鸣器的压降很难获知，而且有些蜂鸣器的压降可能变动，这样一来基极电阻阻值就很难选择，阻值选择太大就会驱动失败，选择太小，损耗又变大。d电路也会出现同样的问题，所以不建议选用图二的这两种电路。图三这两个电路，电路的驱动信号为3.3VTTL电平，常出现在3.3V的MCU电路设计中，如果不注意就很容易就设计出这两种电路，而这两种电路都是错误的。先分析e电路，这是典型的“发射极正偏，集电极反偏”的放大电路，或者叫射极输出器。