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Class Information
Number: 331/12
Name: Oscillators > Automatic frequency stabilization using a phase or frequency sensing means > Plural a.f.s. for a single oscillator > Plural comparators or discriminators > With phase-shifted inputs
Description: Subject matter wherein at least two comparators are so arranged that the outputs of the controlled oscillator and a reference oscillator are directly compared in one comparator and the output of the controlled oscillator is phase-shifted and then compared with the reference oscillator in a second comparator, the outputs of the comparators then being combined in a control circuit to effect tuning of the controlled oscillator.
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| 5668498 |
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| 5475719 |
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| 5400363 |
Quadrature compensation for orthogonal signal channels |
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| 5365202 |
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