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(Solved): (b) Figure 1(b) shows an astable multivibrator using 555 timer. Given T = 4ms and the duty cycle i ...



(b) Figure 1(b) shows an astable multivibrator using 555 timer. Given T = 4ms and the duty
cycle is 60%.
i) Name this oscilla

(b) Figure 1(b) shows an astable multivibrator using 555 timer. Given T = 4ms and the duty cycle is 60%. i) Name this oscillator ii) Calculate the frequency of the output signal. iii) Calculate the value of RB2 ~/m 3 Vcc- C?? 0.01?F 9V Vc iama A Vcc -- ¾ Vout RA { 6.8?? 0 RB1 ? 4.7 ?? RB2 7 6 2 JU t? 1? T 4 RESET DISCH THRESH TRIG GND 1 Vcc 8 Figure 1 (b) L OUT CONT 3 Capacitor Voltage 5 t Output Voltage +9V -C? 0.01?F [1 mark] [1 mark] [3 marks]


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555 timer IC used to make relu
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