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1390-B: Difference between revisions
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The '''General Radio 1390-B''' is a random noise generator introduced in 1961. | The '''General Radio 1390-B''' is a random noise generator introduced in 1961. | ||
It first appears in | It first appears in {{Catalog Q}} and remained available through {{Catalog 1978}}. | ||
The Type 1390-B provides random noise on three ranges from 20 kHz to 5 MHz. | The Type 1390-B provides random noise on three ranges from 20 kHz to 5 MHz. | ||