Title:
VOLTAGE CONVERTER
Document Type and Number:
Japanese Patent JPS5932358
Kind Code:
A
Abstract:
PURPOSE:To reduce the number of pins on the signal route as well as to cut down the cost of the titled voltage converter by a method wherein signals having different phases are supplied in compounded form and picked up as the phase component corresponding to each signal. CONSTITUTION:Output signals 17-19 having a constant amplitude and different phases are outputted from a synchronizing circuit 1, they are inputted to an adding circuit 8 through the intermediary of amplitude conversion circuits 2-4, wherein variable resistors 5-7 are provided, and then they are compounded. The compounded signal is transmitted and inputted to a demodulation circuit 10. The demodulation circuit 10 demodulates the inputted signal using the reference signal outputted from a synchronizing circuit 9, and the demodulated signal is inputted to voltage comparison circuit 11-13. An independent DC control voltage is outputted from the voltage comparison circuits 11-13.
Inventors:
YOSHIMUNE HIDEO
Application Number:
JP13347083A
Publication Date:
February 21, 1984
Filing Date:
July 20, 1983
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H03K19/0175; G05B11/00; H02J13/00; H02M3/04; (IPC1-7): G05B11/01; H03K19/00
Attorney, Agent or Firm:
Toshio Nakao