A shortwave radio, without use of satellites, will receive commercial free foreign government supported English language radio programs from thousands of miles away! Shortwave radios can be built at home in a time period of a few hours to a few weeks. This book contains over one hundred illustrations. Written for both the expert and the novice, it provides information for understanding how the radios work, for obtaining the necessary parts, and for constructing the radios. Shortwave radios were first developed in the 1930s and new designs can be built to resemble radios of that era.Some later audio amp ICs produce technically better sound quality, but the LM386 class B amplifier sounds very good, it is less complicated to ... Figure 5-20 : An Integrated Circuit Audio Power Amplifier Figure 6-2: A Low Power AM Transmitter.
|Title||:||The New Radio Receiver Building Handbook|
|Author||:||Lyle Russell Williams, Bsee Lyle Russell Williams|
|Publisher||:||Lulu.com - 2006-09-01|