Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1982-11-19
1985-05-07
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307228, 328127, 328173, 328181, H03K 406, H03K 448
Patent
active
045160384
ABSTRACT:
This invention relates to a triangle wave generator for producing a constant amplitude triangle wave signal having a frequency proportional to an input voltage signal. The triangle wave generator is comprised of a square wave signal generating circuit to provide a square wave signal having a frequency proportional to the input voltage signal.
A biased amplifier circuit is provided which has an input and an output. The input of the biased amplifier circuit receives the input voltage signal and the biased amplifier output is coupled to a switching circuit.
The switching circuit is coupled to the square wave signal generating circuit to receive the square wave signal and provide a pair of square wave signals to positive and negative input terminals of a differential integrator. One of the pair of square wave signals is the complement of the other.
The differential integrator provides the constant amplitude triangle wave signal which has constant amplitude and has a frequency proportional to the input voltage.
REFERENCES:
patent: 3440448 (1969-04-01), Dudley
patent: 3548318 (1970-12-01), Yorksie
patent: 3577007 (1971-05-01), Cross
patent: 3610952 (1971-10-01), Chandos
patent: 3836856 (1974-09-01), Lovadina et al.
patent: 3879683 (1975-04-01), Bosselaers
patent: 4118641 (1978-10-01), Lannuzel
patent: 4422044 (1983-12-01), Mueller
Callahan Timothy P.
Heyman John S.
Killingsworth Ted E.
McMurry Michael B.
Sundstrand Corporation
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