Oscillators – Beat frequency – Frequency or amplitude adjustment or control
Patent
1997-11-26
1999-11-09
Grimm, Siegfried H.
Oscillators
Beat frequency
Frequency or amplitude adjustment or control
331 43, 331 48, 331 49, H03B 2101
Patent
active
059822406
ABSTRACT:
A voltage controlled oscillator comprises first oscillating stage for outputting a first frequency signal, second oscillating stage for outputting a second frequency signal different from the first frequency signal, a buffer stage connected with said first and second oscillating stages, the buffer stage receiving said first and second frequency signals to generate an output signal.
REFERENCES:
patent: 4061973 (1977-12-01), Reimers et al.
Max E. Peterson, Electronics, vol. 40, No. 8, pp. 90-91, "Isolated Multiple Oscillators Provide Wide Frequency Range", Apr. 17, 1967.
Grimm Siegfried H.
TDK Corporation
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