Q. A special PCM system uses 16 channels of data, one whose purpose is an identification (ID) and synchronization. The sampling rate is 3.5 kHz. The word length is 6 bits. Find the serial data rate.

View solution

Q. A special PCM system uses 16 channels of data, one whose purpose is an identification (ID) and synchronization. The word length is 6 bits. Find the number of bits per frame.

View solution

Q. A special PCM system uses 16 channels of data, one whose purpose is identification (ID) and synchronization. Find the number of available data channels.

View solution

Q. Which of the following is false with respect to PCM?

View solution

Q. Which of the following statements is true with respect to PCM?

View solution

Q. Which of the following type of multiplexing uses pulse code modulation?

View solution

Q. Which of the following is not an advantage of time division multiplexing?

View solution

Q. In a four channel system, all four signals transmitted contain information.

View solution

Q. What are used to reduce or stop synchronization problems while receiving?

View solution

Q. The circuit used to regenerate clock pulses from the transmitted PAM signals is called ____

View solution

Q. What is the purpose of one shot multivibrator?

View solution

Q. What is the time allocated for each channel if the number of samples per frame is 4 and the frame rate is 100 frames/sec?

View solution

Q. Which of the following device was used in early TDM/PAM telemetry systems?

View solution

Q. What device is used to demodulate a time division multiplexed analog wave?

View solution

Q. Serial transmission is not possible without time division multiplexing.

View solution

Q. Frequency division multiplexing:Frequency slots::time division multiplexing:?

View solution

Q. A cable TV service uses a single coaxial cable with a bandwidth of 860 MHz to transmit multiple TV signals to subscribers. Each TV signal is 6 MHz wide. How many channels can be carried?

View solution

Q. The system which uses FM for the subcarriers is called _____

View solution

Q. Which of the following device is used to demultiplex the received signal?

View solution

Q. Which circuit does the actual multiplexing process in frequency division multiplexing?

View solution