0936012163

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0936012163 is a series of contactless non-contact electronic transponder and contactless IC card dedicated multi-function integrated amplifiers. It is mainly composed of four parts, namely the buffer circuit, oscillator circuit, pulse receiver circuit and data output circuit. With the help of 0936012163, without contact, people can send data and receive data from each other, which is widely used in field of remote control.

Application Field and Working Principle

0936012163 is widely used in the fields of automatic car parking, bus payment, access control, entrance guard, etc. Its working principle is as follows:

The inside of 0936012163 is composed of four parts, which is the oscillator circuit, buffer circuit, data output circuit, and pulse receiver circuit. The transponder sends understanding information to 0936012163 via electromagnetic induction. 0936012163 will receive the information, change it into digital data, and transmit it to the control system via its data output circuit. The control system then will implement the operations set by the device. This whole process is done without any physical contact.

The main components of 0936012163 are LM2902, LM324, CD4047, CD4543, BD139, and BS170, etc. as well as dedicated transponder chips like PIC, AT90C51, and other commonly used single-chip installation chip.

Buffer Circuit

The buffer circuit is mainly composed of LM2902 and BD139. LM2902 is a low power wide operating voltage range dual operational amplifier which can keep high input impedance and low output impedance, and keep the peak current of the input signal the same. It is responsible for the amplification of the weak radio signal from the transponder and eliminates the noise from the surrounding environment.

Oscillator Circuit

The oscillator circuit is responsible for producing carrier signals between 8KHz and 10KHz. It is mainly composed of CD4047 and other components. CD4047 is a Monostable/astable multivibrator, which can easily switch between two operating states via an external control voltage. It is used to produce an oscillating signal for the 0936012163 circuit, and together with the buffer circuit, it helps reduce interference from the surrounding environment.

Data Output Circuit

The data output circuit is mainly composed of CD4543 and LM324. CD4543 is a chip containing four BCD (Binary Coded Decimal) storage registers. It is used to convert digital information from the transponder into binary-coded decimals, which are more easily transmitted to the control system. LM324 is also a dual operational amplifier used to amplify the signal from the transponder to make it easier to receive.

Pulse Receiver Circuit

The pulse receiver circuit is the most important part of the 0936012163. It is responsible for receiving information from the transponder, and transmitting it to the data output circuit. The pulse receiver circuit is mainly composed of BS170 and other components. BS170 is an N-channel enhancement-mode field-effect transistor with high input impedance, low output impedance, and wide frequency response. It is used as the main means of receiving signals from the transponder.

Conclusion

0936012163 is an important device for contactless non-contact electronic transponder and contactless IC cards dedicated multi-function integrated amplifiers. It is composed of a buffer circuit, oscillator circuit, pulse receiver circuit, and data output circuit. It can receive and transmit data from transponders without contact and widely used in fields of automatic car parking, bus payment, access control, and entrance guard. The components mentioned above are the main components it is composed of.

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