Noise factor for a system is defined as the ratio of
A. Input noise power (Pni) to output noise power (Pno)
B. Output noise power (Pno) to input noise power (Pni)
C. Output noise power (Pno) to input signal power (Psi)
D. Output signal power (Pso) to input noise power (Pni)
Answer:B
Noise factor for a system is defined as the ratio of
A. Input noise power (Pni) to output noise power (Pno) B. Output noise power (Pno) to input noise power (Pni) C. Output noise power (Pno) to input signal power (Psi) D. Output signal power (Pso) to input noise power (Pni)