50HZ time-base signal generator circuit diagram

Published:2011/10/26 21:57:00 Author:May | Keyword: 50HZ , time-base signal generator | From:SeekIC

The attached figure 1 is the 60Hz digit-clock time-base circuit composed of the 12-bit binary serial counter/frequency divider CD4040 and six phase reverser CD4069 and so on. In the circuit, the CD4069's gate I and gate II constitute the crystal oscillator with oscillating frequency in 32768Hz. Chart 2a is another kind of 60Hz pulse generating circuit. It consists of the integrated circuit CD4060 and crystal oscillator with the resonance frequency in 30720Hz. CD4060 is 14-bit binary serial counter, frequency divider and oscillator. The CD4060's interior divides into two parts, one part is 14-level counter/frequency divider, and its frequency division coefficient is 16¯16348.



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