crystal detector

noun

, Radio.

a device for rectifying a modulated radio-frequency signal, consisting of a crystal of germanium, silicon, galena, or the like with a cat whisker contact, permitting a high-frequency current to pass freely in one direction only: one of the two principal components of a crystal set.

crystal detector

electronics a demodulator, used esp in microwave circuits and in early radio receivers, consisting of a thin metal wire in point contact with a semiconductor crystal

First recorded in 1905–10

As a general rule, the radio-listener's first receiving set uses a crystal detector.

The crystal detector consists of some mineral crystal and a fine-wire point, usually platinum.

If you understand how the audion works as a detector you will have no difficulty in understanding the crystal detector.

Whatever voltage there may be across the condenser of this circuit is applied to the crystal detector.

The crystal detector gives us much the same sort of a current as does the vacuum tube detector of Fig. 54.

April 25, 2024firkin

[fur-kin ]

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