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两个NPN晶体管T1和T2和T3是一个PNP晶体管配置为一个高度敏感的电压放大器。这种配置仍然使用了录音机前置阶段意识和健全的微小磁性回升来自磁头的信号。它执行相同的功能... 两个NPN晶体管T1和T2和T3是一个PNP晶体管配置为一个高度敏感的电压放大器。
这种配置仍然使用了录音机前置阶段意识和健全的微小磁性回升来自磁头的信号。它执行相同的功能在这里是用来放大从一个小的压电式蜂鸣器B1的电信号。
压电蜂鸣片通常转换成声音输出电压的电气振荡。但在这条赛道上它是在有线运作方式正好相反。在这里,它是用来感知外部声音的振动,并转换成电脉冲他们。
在得到适当阶段,通过晶体管放大,这些脉冲被筛选和电容C1平滑,并最终达到一个阶段闭锁电路的晶体管T4和T5组成。
在接到感觉到输入脉冲,接收所需的晶体管T4的偏置,并立即进行。
晶体管开关粘数也即刻到期,通过T4的接收到的基地电压。在同一时刻一个反馈电压送回基地的T4由粘数和锁存电路触发报警和良好的外部电路。在车用喇叭警报器的类型可以是用在这里。
启动报警声音可以停止只有关掉装置。
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两个NPN晶体管T1和T2和T3是一个PNP晶体管配置为一个高度敏感的电压放大器。
这种配置仍然使用了录音机前置阶段意识和健全的微小磁性回升来自磁头的信号。它执行相同的功能在这里是用来放大从一个小的压电式蜂鸣器B1的电信号。
Two NPN transistors T1 and T2 and T3 is a PNP transistor configured as a highly sensitive voltage amplifier.
This configuration still uses the pre-stage recorder and sound sense of the tiny magnetic pick-up signals from the head. It performs the same function is used to zoom in here from a small piezo buzzer B1 of the electrical signal.

压电蜂鸣片通常转换成声音输出电压的电气振荡。但在这条赛道上它是在有线运作方式正好相反。在这里,它是用来感知外部声音的振动,并转换成电脉冲他们。
在得到适当阶段,通过晶体管放大,这些脉冲被筛选和电容C1平滑,并最终达到一个阶段闭锁电路的晶体管T4和T5组成。
Piezoelectric buzzer sound output is usually converted into electrical oscillations. However, this track is just the opposite in the cable mode of operation. Here, it is used to sense the external sound vibrations and convert them into electrical impulses.
Obtaining the appropriate stage, through the transistor amplifier, the pulse is smooth filter and capacitor C1, and eventually reach a stage of closed circuit composed of transistors T4 and T5.

在接到感觉到输入脉冲,接收所需的晶体管T4的偏置,并立即进行。
晶体管开关粘数也即刻到期,通过T4的接收到的基地电压。在同一时刻一个反馈电压送回基地的T4由粘数和锁存电路触发报警和良好的外部电路。在车用喇叭警报器的类型可以是用在这里。
启动报警声音可以停止只有关掉装置。
施工提示
Feel the pulse of receiving input, receiving the necessary bias transistor T4, and immediately.
Transistor switch viscosity also instantly expire by T4 to the base voltage of the receiver. A feedback voltage at the same time returned to base T4 by the viscosity and latch circuit to trigger alarm and a good external circuit. In the car horn alarm type can be used here.

Start the alarm sound can be stopped only turn off the device.

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Two NPN transistor T1 and T2 and T3 are a PNP transistor disposition are a highly sensitive voltage amplifier.
This kind of disposition has still used the tape recorder pretage stage consciousness and the perfect small magnetic rise comes from the magnetic head signal.It carries out the same function is uses for in here to enlarge from a small piezoelectricity type buzzer B1 electrical signal.
The piezoelectricity buzzing piece usually transforms the sound output voltage the electrical vibration.But on this racecourse it is in the wired operation way just right opposite.In here, it is uses for the sensation exterior sound the vibration, and transforms the electricity pulse they.
Is obtaining the suitable stage, enlarges through the transistor, these pulses are screened and electric capacity C1 are smooth, finally and achieves a stage exclusive circuit transistor T4 and the T5 composition.
Is receiving felt the input pulse, receives the transistor T4 bias which needs, and carries on immediately.
The transistor switch sticks the number also instantly to expire, through T4 receive base voltage.Returns to the base in an identical time feedback voltage T4 by to stick the number and the lock saves electric circuit triggering to report to the police with the good exterior electric circuit.May be uses in the vehicle with the loudspeaker alarm type in here.
The start reports to the police the sound to be possible to stop only then switching off the installment.
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Two NPN transistors T1 and T2 and T3 is a PNP transistor configured as a highly sensitive voltage amplifier.
This configuration still uses the pre-stage recorder and sound sense of the tiny magnetic pick-up signals from the head. It performs the same function is used to zoom in here from a small piezo buzzer B1 of the electrical signal.
Piezoelectric buzzer sound output is usually converted into electrical oscillations. However, this track is just the opposite in the cable mode of operation. Here, it is used to sense the external sound vibrations and convert them into electrical impulses.
Obtaining the appropriate stage, through the transistor amplifier, the pulse is smooth filter and capacitor C1, and eventually reach a stage of closed circuit composed of transistors T4 and T5.
Feel the pulse of receiving input, receiving the necessary bias transistor T4, and immediately.
Transistor switch viscosity also instantly expire by T4 to the base voltage of the receiver. A feedback voltage at the same time returned to base T4 by the viscosity and latch circuit to trigger alarm and a good external circuit. In the car horn alarm type can be used here.
Start the alarm sound can be stopped only turn off the device.
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心殇柯
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Two NPN transistors T1 and T2 and T3 is a PNP transistor configured as a highly sensitive voltage amplifier. This configuration still uses the pre-stage recorder and sound sense of the tiny magnetic pick-up signals from the head. It performs the same function is used to zoom in here from a small piezo buzzer B1 of the electrical signal. Piezoelectric buzzer sound output is usually converted into electrical oscillations. However, this track is just the opposite in the cable mode of operation. Here, it is used to sense the external sound vibrations and convert them into electrical impulses. In the proper stage, through the transistor amplifier, the pulses are filtered and smoothing capacitor C1, and eventually reach a stage of closed circuit composed of transistors T4 and T5. Feel the pulse of receiving input, receiving the necessary bias transistor T4, and immediately. Transistor switch viscosity also instantly expire, by T4 the received base voltage. A feedback voltage at the same time returned to base T4 by the viscosity and latch circuit to trigger alarm and a good external circuit. In the car horn alarm type can be used here. Start the alarm sound can be stopped only turn off the device. Construction Tips
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Two T1 and T2 NPN transistors and T3 is a PNP transistor configuration for a highly sensitive voltage amplifier.
This configuration is still use the tape recorder front stage consciousness and the tiny magnetic pickup sound signal from the head. It executes the same function is used to amplify here from a small piezoelectric buzzer B1 electrical signal.
Piezo buzzer is normally convert sound output voltage of electrical oscillation. But in this circuit, it is in the opposite way cable operation. Here, it is used to perceive the vibration and noise outside into electrical impulses.
At appropriate stages, get through, these pulses transistor amplifier by screening and capacitance C1 smooth, and eventually reached a stage of transistor circuits and T4 atresia. T5
After receiving feel input pulses, receive required transistor T4 bias, and immediately.
Transistors number also instantly switch sticky, through the T4 due to receive base voltage. At the same time a feedback voltage to the base of the T4 and latch circuit trigger alarm and a good external circuit. In the car alarm horn type can be used here.
Start alarm sound can stop off only.
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