(a) Figure Q4(a)(i) shows two unit of 74LS293 (4-bit binary counter) configured to generate multiple clock source. Referring to the internal circuit diagram of this IC shown in Figure Q4(a)(ii), obtain the frequency at fi, f2 and f3. f2 fi f3 (10) CP 1 Q4 (8) (10) CP (8) Q4 100Hze (11) CP (4) (11) CP (4) Q2 Q2 (5) (5) Q1 Q1 (12) MR, & (12) MR, & (9) QO (9) QO (13) MR (13) MR2 Figure Q4(a)(i)

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Current Division Method

The generalized current divider formula is given by the following relation below,