First transistor radio plan for free#
First transistor radio plan how to#

The crystal and cat's whisker and then how those electrical waves cause Finally,Ĭurrent, that is impossible to hear, is turned into It told me that the different radio stationsĪre then separated from each other by the tuning coil. Sheet went on to explain how these waves are turned into electricalĬurrents by the antenna. How these waves are captured by the antenna as they pass by.

Illustration of how radio waves travel from a station and

First transistor radio plan how to#

String up an antenna wire in a tree and how to establish a ground usingĪ steam radiator or water pipe. In addition to all the parts, the box included printed instructions on how to Market at the end of that war, they started the Radio Age. Of the Great War and when the military surplus crystal radios hit the That they provided world-wide communications, were used by the Armies Now compared to a regenerative radio, crystal radios haveīoth poor selectivity and poor sensitivity, but they worked well enough Radio stations transmit a lot of power and the antenna picks upĮnough of this power to be heard in the headphones enabling you to hear It won't cost youĪnything and you won't have to look at any advertisements.ĭrive the headphones directly and it offered no amplification. Interesting to look at and maybe read about. Pictures and see if there isn't something that you will find Otherwise, please look over the story of my first vacuum tube radio.Įven if you aren't much of a reader, please look over the If you would like to build a good looking version of that same radio, consider my Geezerola Senior Radio. If you have come to this page wanting to build a simple, easy to build,īut great performing little radio, I urge you to consider my Armstrong 'Crystal' Radio project. The time to read my story, I guarantee that you will learn some

First transistor radio plan for free#

Read for free and I hope you are entertained by the story. The following story is an E-book that you can Also please note that this story is not meant to be a construction project,īut only a story. This is the story of how I came to build my first vacuum tube radio back in 1958 when I was in the 8th grade. I apologize that my choice of works for the title of this webpage has caused so much confusion.