ASIC MM5369 circuit

Published:2011/6/4 9:07:00 Author:John | Keyword: ASIC | From:SeekIC

60Hz pulse circuit is formed by a 60Hz pulse generator ASIC MM5369 (pin 8 with DIP package) and the crystal with resonant frequency of 3.579545. It is used to provide support with the digital clock with frequency of 60Hz. Oscillator signal is frequency processed through inner parts of MM5369. Such signal outputs from pin 1 with a rather stable frequency. The circuit is powered by 6 ~ 12V voltage. When the supply voltage is less than 6V, the operational reliability would be worse. Under special circumstances, the resistance of R3 in the circuit can be adjusted at about 100 ohms. Therefore, the normal operating voltage of the circuit is reduced to 4.5V.



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