How much does increasing a receiver’s bandwidth from 50 Hz to 1,000 Hz increase the receiver’s noise floor?
Answer13 dB
Noise power rises in proportion to bandwidth. Increasing bandwidth from 50 Hz to 1000 Hz is a factor of 20, or about 13 dB.
Amateur Extra · FCC ELEMENT 4
E4C06
Amateur Extra · FCC Element 4 · answer reveals automatically