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疑难MC13022A新普京案例

2012-07-10 11:03

我们提供对MC13022A单片机的基本特征及性能介绍。事实上,在单片机解密/芯片解密过程中,对单片机内部结构及其加密特性有一定的了解能够帮助技术工程师选择合适的解密方案,提高解密成功率。以下我们提供MC13022A芯片主要性能特征介绍,仅供大家参考借鉴:
The MC13022A is designed for home and automotive AM stereo radio applications. The circuits and functions included in the design allow implementation of a full–featured C–QUAM? AM stereo radio with relatively few, inexpensive external parts. It is available in either 28–lead DIP or EIAJ compatible wide–bodied 28–lead SOIC. Functionally, the MC13022A and MC13022 are very similar. The MC13022A has 10 dB more audio output and a CMOS compatible logic level output (Pin 15) for stop sense. The stop sense/AGC function has been internally connected to the output notch filte control.
·Operation from 6.0 V to 10 V Supply with Current Drain of 20 mA Typ
·IF Amplifier with Two Speed AGC
·Post Detection Filters that Allow Automatic Adjustable Audio Bandwidth Control and Notch Filtering (9.0 or 10 kHz)
·Signal Quality Controlled Stereo Blend and Noise Reduction
·Noise and Co–Channel Discriminating Stop–On–Station
·Signal Strength Indicator Output for Stop Sense and/or Meter Drive
·Signal Strength Controlled IF and Audio Bandwidth
·Noise Immune Pilot Detector Needs no Precision Filter Components
·MC13025 Complementary Electronically Tuned Radio Front End
·CMOS Compatible Driver for Stop Sense
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