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1142-A: Difference between revisions
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* [[Media:GR 1142A Frequency Meter & Discriminator.pdf|General Radio 1142-A Frequency Meter and Discriminator 1142-100-E 1969 ]] | * [[Media:GR 1142A Frequency Meter & Discriminator.pdf|General Radio 1142-A Frequency Meter and Discriminator 1142-100-E 1969 ]] | ||
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The '''General Radio 1142-A''' is an analog frequency meter and discriminator introduced in 1961 Catalog Q and remained available through Catalog T 1968. The 1142-A is a direct reading frequency meter with the addition of a Interpolation feature. With the Interpolation control set to Direct the frequency is read directly from the panel meter ±1% accuracy. To obtain better resolution and accuracy engage the Interpolation setting (See Instruction Manual). The 1142-A has three outputs for connecting chart recorders (Direct, Interpolation, and FM). | The '''General Radio 1142-A''' is an analog frequency meter and discriminator introduced in 1961 Catalog Q and remained available through Catalog T 1968. | ||
The 1142-A is a direct reading frequency meter with the addition of a Interpolation feature. With the Interpolation control set to Direct the frequency is read directly from the panel meter ±1% accuracy. To obtain better resolution and accuracy engage the Interpolation setting (See Instruction Manual). The 1142-A has three outputs for connecting chart recorders (Direct, Interpolation, and FM). | |||