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Frequency Divider by one transistor BC549

2016-05-07 04:22  
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This circuit designs to upward for divide by the frequency of a signal input , give down left just the half then to export come to the way output. Because of the transistor Q1 (BC549) bias stay the condition not active it then active get especial while signal input be positive volt only. This circuit modifies from oscillator model colpitts , Tank Circuit that compose L1,C4 and C5 can fine about 16.5 kHz. When get a signal input 30-60kHz the circuit lock and oscillator Generator in 15-30kHz frequency detail other sections , please see in the circuit be lucky yes.

Frequency Divider by one transistor BC549

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