An improved method of MCXO

To improve the MCXO performance and simplify its structure, a new MCXO desi gn method has been developed. Through deleting pulses of clock signal of a microcomputer and shifting its phase, the frequency-temperature stability o f MCXO can be made satisfactory, and the DDS chip, which is often used in h igh performance MCXO, can be eliminated. Several different MCXOs have been made with this method and different perfo rmance specifications can be obtained. According to the simplicity, in a wi de temperature range from -40 to +80 degrees C, the frequency-temperature s tability of the MCXOs can be from +/-3 x 10(-8) to +/-2 x 10(-7).