Home » Transmitter Block Diagrams » 9 » a In the transmitter block diagram shown, the "Morse key": a. b. allows the oscillator signal to pass only when the key is depressed c. changes the frequency of the transmitted signal when the key is depressed d. adds an 800 Hz audio tone to the signal when the key is depressed Your answer "a" is not correct. "b" is the right answer. Next |