This circuit is from 1999 documentation. The integrated circuit used is not very common today. Both transistors are used if the motor current is greater than 500 mA.
This divider by 6 is synchronized because it is implemented based on TTL or CMOS logic according to the...
Found in Popular Electronics from the 90's, this tuned to infrared modulated receiver uses a PLL....
This circuit allows you to program a resistance by combining the selected resistors. The circuit...