单词	astable
释义	astable /eɪˈsteɪb(ə)l / adjective chiefly Electronics Relating to a system or electric circuit which oscillates spontaneously between unstable states.You should now have the component values required to build the astable circuit in figure 3.... It monitors the charging of the timing capacitor in astable and monostable circuits. There is no stable state where the circuit can come to rest, so this circuit is known as an astable multivibrator.
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