Precision Programmable Generator for Calibration of electronic instruments

摘要

The present Invention relates to a precision Programmable Generator for Calibration of electronic instrumentsCharacterized in that it comprises a Unit controlled by Quartz Crystal Oscillation.Which is itself a Programmable Oscillator pulses are controlled by the frequency of Quartz CrystalBy Passive elements and a variable capacitor; a Control Unit consisting of Phase internally by a Voltage Controller Oscillator Circuit and a phase Comparator, a Counting UnitProgrammable Programmable counters consisting of three Connected In Series; a unit of frequency divider Circuit that is composed of Accountants and a Frequency Selection UnitStituida Three switches with an array of Semiconductor diodes.