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ELEC 331 Digital and Analog Communications M8A1 Assignment:
ELEC 331 Digital and Analog Communications
M8A1 Assignment: Design Project
Introduction
Two types of digital-to-analog modulation techniques are Amplitude Shift Keying (ASK) and Frequency Shift Keying (FSK). In ASK, two different amplitudes, and only two, represent the digital information. In FSK, only two different frequencies are used to represent the digital data.
The Goal
The goal of the design project is to design a Commsim circuit that will generate the following analog carrier based on a digital input stream:
Caption: ASK-FSK modulated carrier
The digital input stream in the above figure is 00 10 01 11 01 00 11 10 00 10. Each pair of bits represents one bit each from two digital input signals.
What to Submit
You must submit the following:
1. A 3-5 page paper describing your design process, how you made decisions, trouble you had, changes you made to the design to make it work, how you figured out significant values (frequencies, etc.).
2. A working Commsim circuit file that generates the waveform in the above figure when simulated.
design a Commsim circuit that will generate the following analog carrier based on a digital input stream: 00 10 01 11 01 00 11 10 00 10.
