The document discusses various analog modulation techniques including amplitude modulation and frequency modulation. It provides figures illustrating analog to analog modulation, AM and FM bandwidth, and band allocation for AM and FM broadcasting. The figures are from a 1998 McGraw-Hill textbook and cover fundamental concepts of analog signal modulation.

1. Figure 5-39
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Analog to Analog Modulation

2. Figure 5-40
WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

3. Figure 5-41
WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998
Amplitude Modulation

4. Figure 5-42
WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998
AM Bandwidth

5. Figure 5-43
WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998
AM Band Allocation

6. Figure 5-44
WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998
Frequency Modulation

7. Figure 5-45
WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998
FM Bandwidth

8. Figure 5-46
WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998
FM Band Allocation