Galena Radio Crystal at Brooke Opas blog

Galena Radio Crystal. This latter type of galena, called argentiferous. The galena crystal extracts the audio signal from the ac carrier wave by only allowing the current to pass through in one direction. The crystal detector is a ‘cat’s whisker’ wire that is dragged and pressed against a galena crystal until a radio station or static is found. The crystal radio is a very simple am band receiver popular in the early days of radio. The receiver gets all of its power from radio waves picked up by a long wire. These days the envelope detector is a point contact diode such as a 1n34. However, my readings suggest that the best galena for crystal radio detectors is not pure, but a type which contains trace amounts of silver. A crystal radio is basically a high q resonator tied to an antenna and an envelope detector. The crystal radio gets its name from the galena crystal (lead sulfide) used to rectify the signals.

Radio a galena Radio crystal set Xtal sets
from radioxtalset.blogspot.com

The crystal radio is a very simple am band receiver popular in the early days of radio. A crystal radio is basically a high q resonator tied to an antenna and an envelope detector. The receiver gets all of its power from radio waves picked up by a long wire. However, my readings suggest that the best galena for crystal radio detectors is not pure, but a type which contains trace amounts of silver. This latter type of galena, called argentiferous. The galena crystal extracts the audio signal from the ac carrier wave by only allowing the current to pass through in one direction. The crystal radio gets its name from the galena crystal (lead sulfide) used to rectify the signals. The crystal detector is a ‘cat’s whisker’ wire that is dragged and pressed against a galena crystal until a radio station or static is found. These days the envelope detector is a point contact diode such as a 1n34.

Radio a galena Radio crystal set Xtal sets

Galena Radio Crystal The crystal radio is a very simple am band receiver popular in the early days of radio. The galena crystal extracts the audio signal from the ac carrier wave by only allowing the current to pass through in one direction. The crystal detector is a ‘cat’s whisker’ wire that is dragged and pressed against a galena crystal until a radio station or static is found. This latter type of galena, called argentiferous. A crystal radio is basically a high q resonator tied to an antenna and an envelope detector. The crystal radio is a very simple am band receiver popular in the early days of radio. The receiver gets all of its power from radio waves picked up by a long wire. The crystal radio gets its name from the galena crystal (lead sulfide) used to rectify the signals. However, my readings suggest that the best galena for crystal radio detectors is not pure, but a type which contains trace amounts of silver. These days the envelope detector is a point contact diode such as a 1n34.

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