Oscillators – Solid state active element oscillator – Transistors
Patent
1996-07-01
1998-01-13
Grimm, Siegfried H.
Oscillators
Solid state active element oscillator
Transistors
331108C, 331117FE, 331117D, 331177R, H03B 714
Patent
active
057083983
ABSTRACT:
A dual voltage controlled oscillator including a transistor with a negative differential resistance diode coupled to a first terminal and an inductance coupled to a second terminal. Operating voltages are applied to the gate and drain of the transistor to set the oscillator to operating in a negative differential resistance region of the diode. The diode, the inductance and the operating voltages are connected so that varying either of the operating voltages varies the frequency of the oscillations at the output.
REFERENCES:
patent: 4219829 (1980-08-01), Dorda et al.
patent: 5039958 (1991-08-01), Delhaye et al.
Nair Vijay K.
Shen Jun
Grimm Siegfried H.
Motorola
Parsons Eugene A.
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