A local oscillator of an embodiment includes a digitally-controlled oscillator, a phase data generator, a subtractor, a loop filter, a multiplier, and a coefficient calculator. The digitally-controlled oscillator variably controls an oscillation frequency of an oscillation signal by using a first ...
The method involves the steps of: contacting a liquid sample containing an antibody with the surface of a piezoelectric oscillator having a layer of antigen specific for the antibody attached thereto; washing and drying the oscillator; and measuring the resonance frequency of the oscillator....
A local oscillator of an embodiment includes a digitally-controlled oscillator, a phase data generator, a subtractor, a loop filter, a multiplier, and a coefficient calculator. The digitally-controlled oscillator variably controls an oscillation frequency of an oscillation signal by using a first ...
A local oscillator of an embodiment includes a digitally-controlled oscillator, a phase data generator, a subtractor, a loop filter, a multiplier, and a coefficient calculator. The digitally-controlled oscillator variably controls an oscillation frequency of an oscillation signal by using a first ...
Method and device for adjusting the coverage of a reception range of a superheterodyne radio phone receiver 10 by adjusting the upper and lower limit frequencies of oscillation of the local oscillator 16-17. The device comprises a frequency meter 21 measuring the frequency of the latter 16-17, ...
A local signal generator (28) can then use the local frequency or phase reference from the local oscillator (18), and the offset calculated by the local oscillator offset determination module (26), to provide a local signal using a local signal generator (28). The local signal can be ...
A local signal generator () can then use the local frequency or phase reference from the local oscillator (), and the offset calculated by the local oscillator offset determination module (), to provide a local signal using a local signal generator (). The local signal can be correlated ...