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63 Price

63 What is the AC amplifier? Why should the circuit with multi-level AC amplifier?

In Electronic Infomation Category: 6 | on February 07,2012

AC signal can be amplified as AC amplifier circuit. Common AC amplifier are: fixed bias type, voltage negative feedback, current negative feedback, negative feedback and 63 datasheet and hybrid twin-tube direct-coupled 5 kinds. in industrial automation and 63 price and wireless technologies, are often encountered in many signal is very weak, to thousands of times magnification, or even a million times or more to drive the load, this signal by single-stage amplifier is not competent. The multi-stage amplifier of the total magnification factor equal to the product of the amplifier at all levels, so the total magnification can do much. See from the performance of the circuit, doing multiple single-stage amplifier is too large, stability and 63 suppliers and signal to noise ratio necessary to check the bad, negative for signal amplificat...

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63. UART How does it work?

In Electronic Infomation Category: 6 | on November 02,2011

Data entry process, the data from a one peripheral interface into the receive shift register, when the receive shift register has been received a character of you, the data from the receive shift register into the data input register. CPU read from the data input register receives Yun characters. (Concurrent read, that D7 ~ DO also be read into the Accumulator). Receive shift register shift clock speed determined by the receiver. the data output process, CPU characters to be output (in parallel) into the data output register, data output register to the Transmit shift register, then the transmit shift register shift, the data is a one way to peripherals. Transmit shift register shift clock speed determined by the sending....

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63. What for A / D converter interference control method?

In Electronic Infomation Category: 6 | on September 19,2011

A / D converter for analog is very sensitive to small noise. (1) integration capacitor shield grounding. As the A / D converter in the integrator time constant by the constraints, the impedance of the capacitor can not be too low. Therefore shielding measures must be taken, after a single use foil to wrap the earth. (2) plus bypassed. Power supply and 63 datasheet and bypassed the interference common to put measures can effectively reduce the power of high-frequency impedance to overcome the noise and 63 price and the chips internal power supply noise. (3) the input circuit to prevent noise intrusion. Especially for high input impedance of the A / D converter should be set at the input clamp diode to prevent the input over-voltage, and 63 suppliers and the use of the buffer amplifier, reduce common mode noise and differential mod...

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