(a) Sketch the frequency spectrum for the square wave of Table, for X0 = 10. (b) Repeat Part (a) for the sawtooth wave. (c) Repeat Part (a) for the triangular wave. (d) Repeat Part (a) for the full-wave rectified signal. (e) Repeat Part (a) for the half-wave rectified signal. (f) Repeat Part (a) for the rectangular wave. (g) Repeat Part (a) for the impulse train. Name 1. Square wave 2. Sawtooth 3. Triangular wave 4. Full-wave rectified Waveform x(1) Xo Ahn 0 To -To x(1) Xo -To ol x(1) Xo x(1) A To 2To t To mmm. -2To-Tool To 2To 3To 4To t 80 2X0 IT CK, K = 0 2X0 -j- Xo 12k -2x0 (mk) -2x0 #(4k-1) Comments CK = 0, k even CK = 0, k even 5. Half-wave rectified 6. Rectangular wave 7. Impulse train -To x(1) A Xo 01 x(1) To Xo -To 10/1 1. 2Tot T To 271 x(1) xo xo xo xo -To 0 To 2To 1 TXO To -Xo (k-1) TX To Tkwo sinc Ck = 0, k odd, except Xo G=-14 and C=1 Thm 0 _ 2 To