Oscillators – Plural oscillators – Oscillator used to vary amplitude or frequency of another...
Patent
1998-09-11
2000-07-18
Pascal, Robert
Oscillators
Plural oscillators
Oscillator used to vary amplitude or frequency of another...
331 12, 331 19, 331 50, 331 51, 455255, 455258, 455259, 455260, 455263, 455264, 329304, 329308, H03L 700
Patent
active
060913061
ABSTRACT:
Parasitic feedback is prevented in a transmitter, a modulator, or a demodulator from having an interfering influence on the circuit section that generates the mixed frequency. The circuit has a main oscillator and a subordinate oscillator connected downstream of the main oscillator. The main oscillator generates a signal having an x.sup.th harmonic that serves to excite the subordinate oscillator. Furthermore, a frequency divider is connected downstream of the subordinate oscillator. The frequency divider divides the frequency of an output signal of the subordinate oscillator by an integer divider value. The divider value differs from the value x.
REFERENCES:
patent: 3626315 (1971-12-01), Stirling et al.
patent: 3694766 (1972-09-01), Boelke
patent: 4001714 (1977-01-01), Reed
Glenn Kimberly
Greenberg Laurence A.
Lerner Herbert L.
Pascal Robert
Siemens Aktiengesellschaft
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