Two amplifiers with gains of 10 dB and 40 dB are connected in cascade. The gain of the combination is:

In a single sideband and CW receiver, the output of the ___________ is connected to the product detector.

In a single sideband and CW receiver, the __________ is connected to the output of the product detector.

What is the total bandwidth of an FM-phone transmission having a 5-kHz deviation and 3-kHz modulating frequency?

When does inter-modulation interference between two repeater transmitters usually occur?

What is an inverting op-amp circuit?

In a frequency modulation receiver, the output of the high frequency oscillator is fed to the:

Which bipolar transistor amplifier circuits is similar to a field-effect transistor (FET) amplifier common source circuit?

What is the primary advantage of the Butterworth filter over the Chebyshev filter?

Which filter type is not suited to audio and low radio frequencies?

In a single sideband and CW receiver, the _____________ is in between the mixer and intermediate frequency amplifier.