Title:
UNIT GAIN POSITIVE FEEDBACK INTEGRATOR HAVING PROGRAMMABLE CHARGING CURRENT AND POLARITY
Document Type and Number:
Japanese Patent JP3470818
Kind Code:
B2
Abstract:
PURPOSE: To make an integrating speed programmable, and to constitute an integrator of a feedback characteristic.
CONSTITUTION: An integrator is constituted of a capacitor 10 and a boot strap circuit 8 which detects the leaking charge of the capacitor 10 and returns it to the capacitor 10. Moreover, the integrator is provided with a charge pouring circuit 4 equipped with a digital input terminal for adjusting currents to be charged at the capacitor 10. The boot strap circuit 8 includes two transistors Qsn 0 and Qsn 1 which detect the leaking currents of the capacitor and two transistors Qun 0 and Qun 1 for constituting a differential circuit, and a positive feedback characteristic and a unit gain characteristic for complementing the leaking charge are obtained.
Inventors:
Benny Wing Hung Ray
Richard Clayton Walker
Richard Clayton Walker
Application Number:
JP11377693A
Publication Date:
November 25, 2003
Filing Date:
April 16, 1993
Export Citation:
Assignee:
AGILENT TECHNOLOGIES, INC.
International Classes:
G06G7/184; (IPC1-7): G06G7/184
Domestic Patent References:
| JP6128169A | ||||
| JP5039440A | ||||
| JP5175439A | ||||
| JP1106962U |
Attorney, Agent or Firm:
Taira Hagino
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