Question

For the following circuit, it is desired to estimate the total noise level in the bandwidth from 10Hz to 10kHz. Broadband Noise for Various Bandwidths 10 k12 W 10012 10-100 kHz TOTAL NOISE REFERRED TO INPUT - Vrms 10-10 kHz Im 741 10-1 kHz kN2 100k 10 Source Resistance - 12 a) Determine the total RMS noise referred to the input b) Determine the corresponding output noise levell

Answer 1

Derivation for the forman La meting - PZ= UKTR veeb HZ we will serve this using the principle of supen -position , with to a pezzescal - Ę = e ka ba sy Ez e (k rep = juktrydf] como em Ez zen ona y E. 1 z 2 Te z fuk Trzdf u R2 е /

Неле, у ерiy v-per priff• prinople, » | Ге» (ве .. то, чт, себу, Сь» - «ты (94) -чти (4)

now, the noise referenced to input is given by, Filme - -lan) | Eiem Elme Ana 14 h for, output reffered noise, We have alread the formma ZIOK LLO Eros = fueTF2 (1442) + uk 783 (1909) ap 1 "7710 10k К раса та'л Сомом- KRK² 1.38 x 1023 см- Қello, IK Erings = TKT. 10,00 (07.1900. ) * URT. 1080 (op to five-u) Enns = 1 (UK TA(100) * UKTY 1000 * (10%)x 9999 -U Erme = PAKT X 1000 X9990 x 11010 + (2012 Erms a lux 1800 x qq 90 x 10s.f x 80ms x 10" Terms: 2.4863 810 6 =2.486 m volts How impus Reffed noise voltage is firma Phan a litt) L it 100' oo? 1071 - 2.486 um firms - 2. us - 0.024 UV I