Electrical transmission or interconnection systems – With nonswitching means responsive to external nonelectrical... – Temperature responsive
Patent
1991-08-27
1992-08-11
Miller, Stanley D.
Electrical transmission or interconnection systems
With nonswitching means responsive to external nonelectrical...
Temperature responsive
307603, 307608, 307362, 307265, 328 55, H03K 513, B23K 302
Patent
active
051382040
ABSTRACT:
A timing generator, which is simple in structure, has high linearity, and operates at high speeds, is realized by varying the equivalent input capacitance of a mirror amplifier. The mirror capacitance is electrically discharged with a constant current in the saturation region and in the linear region of the amplifier. The voltage at the inverting input terminal of the mirror amplifier is compared with a constant value to produce a delay. When the delay is produced in the linear region, where the inclination of the ramp waveform is mild, the period of the delay is accurately varied by input data. Thus, the period of the delay can be set with high accuracy, and high resolution. In the saturation region, where the inclination of the ramp waveform is steep, the voltage is compared with a constant value. Thus, the timing generator is made immune to noise, even if the delay time is lengthy.
REFERENCES:
patent: 4001698 (1977-01-01), Allred
patent: 4359649 (1982-11-01), Mundel
patent: 4620312 (1986-10-01), Yamashita
patent: 4837466 (1989-06-01), Kanauchi
patent: 5041747 (1991-08-01), Chengson et al.
Arasawa Hisaki
Imamura Makoto
Kohno Jun
Miller Stanley D.
Tran Toan
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