In the following questions, circle the letter which seems most correct.

1. Compute the channel capacity of a teletype channel with 300 Hz bandwidth and a signal-to-noise ratio of 3dB.

a) 180 bps

b) 474.8 bps

c) 600 bps

d) 143 bps

2. The voltage output from an amplifier is 31.6 times greater than the input. What is the dB gain of the amplifier?

a) 30 dB

b) 35 dB

c) 15 dB

3. An amplifier has an output of 20 W. What is its output in dBW?

a) 1.3 dBW

b) 13 dBW

c) 26 dBW