Unit 1B

1. Collection of data samples taken from individual channels
5. First step in converting an analog signal to a digital signal
9. Inexpensive method to modulate the amplitude of the RF carrier
11. Simplest method of demodulate an AM signal uses a single
12. In __________ Phase Shift Keying all four of the major phase points of an analog signal: 0°, 90°, 180° and 270°.
14. In __________ Shift Keying there is one voltage for all logic zeroes and another voltage for all logic ones
15. In ___________ Shift Keying user data is modulated onto the carrier signal by changing the carrier signal’s phase
17. In __________ Shift Keying there is one frequency for a logic zero and another frequency for a logic one

1. Amount of time it takes for one frame to occur
2. Combines multiple inputs into a single composite output
3. The amount of data transmitted across the network
4. Binary Digit, Logic One or Logic Zero
6. Assigning a decimal value to Pulse Amplitude Modulated (PAM) signals
7. Analog voice must be sampled at twice the highest frequency
8. Unit of Digital Information, consists of Eight bits
10. Process of superimposing an input signal onto a carrier wave
13. In ___________ Phase Shift Keying there is no set phase for a logic zero and another set phase for a logic one
16. Converting decimal values into an 8-bit binary word