Astable flip-flop ( multivibrator ) circuit

Published:2012/8/21 20:25:00 Author:Ecco | Keyword: Astable flip-flop , multivibrator | From:SeekIC

The two parts' component parameters and models of the circuit are corresponding to simultaneously obtain a rectangular wave with duty ratio of 1:1, its frequency f = 0.7/RB • C. RB is Rb1 or Rb2 in the figure, and its upper limit value Rb1 < 0.5βRC1 ; Rb2 < 0.5βRC2, here β is the transistor collector current amplification factor. The lower limit value of the resistor is Rb1 > 10βRC1 ; Rb2 > 10βRC2, the of rectangular wave frequency under circuit parameters shown in figure is 10Hz.



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