22.7 THE SUPERHETERODYNE RECEIVER 372
Project 22-3: Building a Four-Transistor Radio 373
Mixer 374
Local Oscillator 376
IF Amplifiers 376
Detector 377
Automatic Gain Control 378
Audio Preamplifier 378
Audio Amplifier 378
Alignment 380
IC Radios 380
Applied E&E: Global Positioning Systems 381
Project 22-4: Building a Superheterodyne Receiver 382
22.8 FM RECEIVER 382
FM Detection 383
Noise Limiting 386
22.9 TRANSDUCERS 386
Speakers 386
Headphones 387
Project 22-5: Building an FM Wireless Mic 389
Tone Controls 390
Chapter 23 Television and Video Display Units 393
23.1 TELEVISION SIGNALS 393
Television Cameras 393
Scanning 394
Composite Video Signals 395
Basic Cathode Ray Tube Controls 396
23.2 TELEVISION RECEIVERS 397
Black-and-White Television Receiver 397
Color Television Receiver 399
Television Channel 400
23.3 TELEVISION INNOVATIONS 402
Video Cassette Recorders 402
Digital Video Recorder 403
Remote Control 403
Large-Screen Projection TV 403
Satellite TV 404
23.4 HIGH DEFINITION TELEVISION (HDTV) 407
Digital Camera Technology 409
HDTV Picture Quality 410
Digital Light Projection Television 411
Flat-Panel Displays 412
Display Resolution 415
Philips SXGA Triple-Input Display Controller 416
Standards Organizations 416
Home Theater Connector Types 417
Chapter 24 Fiber Optics and Lasers 421
24.1 FIBER OPTICS 421
Why Fiber Optics? 421
The Nature of Light 422
Cable Construction 423
Attenuation 424
Splices and Connectors 425
Fiber-Optic Transmitters 427
Table of Contents 13
SECTION
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