Wiley signals and systems e book TLFe BO 513

498

k~ppc~ntiix
A. Solutionr; to the Exercises

1)) Arriplitnde sketch:
20 log /HI

4

jH(g L00)l Fz 10' .

100 ' 1000

=

10^20 dH

Phase sketch:
arg { fi)

The system has a band-pass behaviour. l l r e niaxirriiiiii aniphtic*stion i h
10. At U! = 1, and at i~ =- 10' it has dcsccnded to
of thc maximum
( q i i \ a l r n t to 20 dB).

&

c) The response to ~ ( tfor
) I -?' oc corresponds to the dc voltage gain, i.e>.,
IH(w = 0)l. The frequency cl = 0 is not in the diagram, but for w << 0.1,

[Ifremains constant Tlir ck voltage. gaiirs arc 0.1 and -20 dB rcspwtively.