AE&I: LESSON 20. Counters-Asynchronous and synchronous counter-decade counter-up down counter- ring and Johnson counter.
![Design 3-bit ripple up-counter using negative edge triggered JK flip flops. Also draw the waveforms. Design 3-bit ripple up-counter using negative edge triggered JK flip flops. Also draw the waveforms.](http://www.prajval.in:8080/PrajvalServicesV1.0/service/Image/de_68.jpg)
Design 3-bit ripple up-counter using negative edge triggered JK flip flops. Also draw the waveforms.
![is it possible to make asynchronous down counter modulo 6 with 3 JK flip- flop? - Electrical Engineering Stack Exchange is it possible to make asynchronous down counter modulo 6 with 3 JK flip- flop? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/DrYjD.png)
is it possible to make asynchronous down counter modulo 6 with 3 JK flip- flop? - Electrical Engineering Stack Exchange
![Electronics Electrical Interview Questions, Tutorials, Circuits, Motors, Engines and more: Synchronous counters Electronics Electrical Interview Questions, Tutorials, Circuits, Motors, Engines and more: Synchronous counters](http://sub.allaboutcircuits.com/images/04351.png)
Electronics Electrical Interview Questions, Tutorials, Circuits, Motors, Engines and more: Synchronous counters
![Ich esse Frühstück Unerbittlich Henne flip flop down mod 16 asynchronous In der Regel Anfänglich ausdrücken Ich esse Frühstück Unerbittlich Henne flip flop down mod 16 asynchronous In der Regel Anfänglich ausdrücken](https://www.electronics-tutorials.ws/wp-content/uploads/2018/05/counter-cou8.gif)