Hackaday

AVR Configurable Custom Logic As A Frequency Divider At 4x Chip’s Clock Speed

What a time to be alive when you can find inexpensive microcontrollers that come with programmable(ish) logic that can operate independently of the system clock. [David Johnson-Davies] recently built ...
EDN

8T49NS010 Clock Synthesizer and Fanout Buffer/Divider

This reference design features the 8T49NS010 integrated circuit that functions as a clock synthesizer with a built-in fanout buffer and divider. By using an external clock source or a crystal, the ...
Hackaday

clock divider

Most of us know that a quartz clock uses a higher frequency crystal oscillator and a chain of divider circuits to generate a 1 Hz pulse train. It’s usual to have a 32.768 kHz crystal and a 15-stage ...
EDN

Frequency Divider Using T Flip Flop Configuration

The circuit was constructed to produce a frequency divider with the use of flip flops which are the basic building blocks of sequential logic circuits while forming a T flip-flop configuration. Toggle ...
Design And Reuse

Creating a Frequency Plan for a System using a PLL

Perceptia Devices is an IP and design services provider, based in Sydney, Australia and Silicon Valley. It is focused on PLLs for RF systems and demanding clocking applications. Perceptia offers a ...
Electronic Design

Measure Spread-Spectrum Clock’s Effects On Switching Supply EMI

Fig 1. In a typical PWM controller in which the active devices are driven by a simple square wave, a Fourier representation of the clock’s frequency spectrum consists of the fundamental switching ...
Electronic Design

Utility Clock-Generator Board Serves Telecom Lab Applications

[Editor's note: A reader has brought to our attention that this article has missing figures. Both the ZL30406 and ZL30407 are obsolete (no longer made or stocked as of checking on 12/14/2024) ...