Electronic Circuits - Electronic Tutorials - Electronic Hobby Projects - A Complete Electronic Resource Centre
Electronic, PC, Microprocessor &  Mircro Controller based Kits & Projects for School &  College level students
 
 

Clock Circuits / Schematics

Products

Sitemap

Online
Calculators

Circuits (A-C)

Circuits (D-O)

Circuits (P-Z)

Tutorials


100 MHz Clock Solution for Desktop Computers - Pericom Semiconductor Application Brief # 021
1MV Offset Clock-Tunable Monolithic 5-Pole Lowpass Filter - DN67  Design Notes (Linear Technology)
24 Second Shot Clock Circuit - ….(electronic schematic)
28 LED Clock Timer 72 LED Clock - programmable clock Timer circuit that uses individual LEDs to indicate hours and minutes
30 Nanosecond Settling Time Measurement for a Precision Wideband Amplifier - AN79 Linear Technology AN79 modifies methods presented in AN74, permitting verification of 30 nanosecond amplifier settling times to 0.1% resolution.  sampling-based technique used is detailed and results presented. Appendices cover oscilloscope overdrive issues, ...
4 Bit Binary Clock - (electronic circuit)
68HC11 Read Encoder - ….(circuit design)
7 Segment LED Counter (Aaron Cake) - This simple counter can be used to count pulses, as the basis for a customer counter (like you see at the doors of some stores), or for anything else that may be counted. The circuit accepts any TTL compatible logic signal, and can be expanded easily (see Notes).....(schematic)
72 LED Clock (bowden) - In the circuit above, 60 individual LEDs are used to indicate the minutes of a clock and 12 LEDs indicate hours. The power supply and time base circuitry is the same as described in the 28 LED clock circuit above. The minutes section of the clock is comprised of eight 74HCT164 shift registers cascaded so that a single bit can be recirculated through the 60 stages i...(electronic Circuit diagram )
74ACT74 Makes Low Skew Clock Divider - 12/17/98 EDN-Design Ideas: Serial-data systems often generate an internal clock at twice  data rate for mid-bit sampling or for generating bi-phase codes. External equipment and some internal processes require a clock that runs at  data
8 Hints for Making Better RF Counter Measurements 5967-6038e - Aligent App Note
A 1MV Offset Clock-Tunable Monolithic 5-Pole Lowpass Filter - DN67  Design Notes (Linear Technology)
A Clock Design using the PIC16c54 for LED Displays & Switch Inputs - Microchip Application Note Published 26-Aug-97
AD9430 Evaluation Board Modifications for XTAL Oscillator Clocking - AN-616 Analog Devices Application Notes
ADN2812 Evaluation Board - AN-657 Analog Devices Application Notes 
ADN2819 Evaluation Board - AN-636 Analog Devices Application Notes . This application note describes  use of  ADN2819 evaluation board. The ADN2819 is a multirate clock recovery, data-retiming device based on a multiloop PLL architecture…..
An Overview of Pericom's Vcxo & Crystal Technology - Pericom Semiconductor Application Note # 048
AN-1173: High Speed Bus LVDS Clock Distributionusing the DS92ck16 Clock Distribution Device - National Semiconductor Application Note
AN-1439: Use of the LMV112 to Reduce Reference Clock Interaction in Handheld Device - National Semiconductor Application Note
AN-291: Asynchronous Clock Interfacing with the AD7878 - AN-291 Analog Devices Application Notes
AN580: Using Timer 1 in Asynchronous Clock Mode - Microchip Application Note Published 22-Nov-99
AN582: Low-Power Real Time Clock - Microchip Application Note Published 22-Nov-99  (app note)
AN590: A Clock Design using the PIC16c54 for LED Displays & Switch Inputs - Microchip Application Note Published 26-Aug-97
AN615: Clock Design using Low Power/Cost Techniques - Microchip Application Note Published 26-Aug-97
AN-616: AD9430 Evaluation Board Modifications for XTAL Oscillator Clocking - AN-616 Analog Devices Application Notes
AN-632: Provisionary Data Rates using the AD9951 DDS as an Agile Reference Clock for the ADN2812 Continuous-Rate CDR - AN-632 Analog Devices Application Notes 
AN-636: ADN2819 Evaluation Board - AN-636 Analog Devices Application Notes. This application note describes  use of  ADN2819 evaluation board. The ADN2819 is a multirate clock recovery, data-retiming device based on a multiloop PLL architecture. The ADN2819 can recover clock....
AN-642: Coupling a Single-Ended Clock Source to the Differential Clock Input of Third-Generation TxDAC® & TxDAC+® Products - AN-642 Analog Devices Application Notes 
AN649: Yet Another Clock Featuring the PIC16c924 - Microchip Application Note Published 26-Aug-97
AN-657: ADN2812 Evaluation Board - AN-657 Analog Devices Application Notes 
AN-746: Supporting FDDI with the ADN2812 - AN-746 Analog Devices Application Notes
AN-769: Generating Multiple Clock Outputs from the AD9540 - AN-769 Analog Devices Application Notes
AN-772: A Design & Manufacturing Guide for the Lead Frame Chip Scale Package - AN-772 Analog Devices Application Notes
AN-823: Direct Digital Synthesizers in Clocking Applications Time Jitter in Direct Digital Synthesizer-Based Clocking Systems - AN-823 Analog Devices Application Notes 
AN892: Fail-Safe Monitoring & Clock Frequency Switching using the PIC16f684 - Microchip Application Note Published 16-Dec-03
AN-984: Power & Thermal Considerations for High Speed Clock Generators - National Semiconductor Application Note
AN-988: High Speed Clock Sources & Their Effect on Electromagnetic Compatibility - National Semiconductor Application Note
Application of Zero Delay Buffers in Systems with Large Memory Arrays - Pericom Semiconductor Application Brief # 024
Application of Zero-Delay Buffers in Switched Ethernet - Pericom Semiconductor Application Note # 015
Asynchronous Clock Interfacing with the AD7878 - AN-291 Analog Devices Application Notes
Backup Clock Controller Checks Time Setting - 01/05/95 EDN-Design Ideas:
Basic PIC16/17 Oscillator Design - Microchip Application Note Published 10-Apr-02  (app note ) The oscillator circuit is one of  most overlooked areas of microprocessor circuit design. Components are usually selected based on  manufacturers? tables. If  circuit starts up and works, fine, no or thought need be given to it, right? Wrong. Many conditions can negatively affect  performance of your design.....
Big LED Clock - (circuit / schematic)
Binary Coded Decimal Bcd Clock - The clock circuit above uses seven ICs and 19 LEDs to indicate binary coded decimal time. The LEDs can be arranged (as shown in example above) so that each horizontal group of 3 or 4 LEDs represents a decimal digit between 0 and 9 and each individual LED represents a single bit or (binary digit) of the value. Binary digits....(electronic schematic)
Blinking Arrow - 17 LEDs in four groups bar-mode sequence.  Suitable for shop-windows animation etc.
Bob Blick's Propeller Clock
Building an Intel 8008 Computer Clock - About every year I design and build a new clock. This year’s project is a clock based on an Intel 8008 first generation 8 bit microprocessor. Because it is a fairly unique project I’m putting more effort into the documentation
Cheap 40kHz Clock - ASCII format. This circuit has worked for me in many applications. (it might be an idea to buffer the signal befor using it. (There are still 5 unused gates in the 'C14)
Circuit Allows High Speed Clock Multiplication - 05/02/02 EDN-Design Ideas: In theory, synchronous clock multiplication is an easy task. A simple PLL with two digital dividers—one inserted just after the VCO (voltage-controlled oscillator)and the second one placed directly
Circuit Avoids Metastability - 08/30/01 EDN-Design Ideas:   Consider a computer system that has a host processor connected to a remote-I/O subsystem (Figure 1). The host clock treats the I/O system, which is located far from the main hardware, as a slave
Circuit Conditions Variable Duty Cycle Clock - 02/17/97 EDN-Design Ideas: The circuit accepts an input clock of any duty cycle and generates any desired duty cycle at the output. You need to add only one flip-flop to the earlier design to generate an arbitrary-duty-cycle output. You can use the circuit to correct a non-50% input to a 50% output or to create a non-50% output from any arbitrary input duty cycle
Clock Basics - Pericom Semiconductor Application Brief # 037
Clock Design using Low Power/Cost Techniques - Microchip Application Note Published 26-Aug-97
Clock Design using the PIC16c54 for LED Displays & Switch Inputs - Microchip Application Note Published 26-Aug-97 
Clock Divider - (circuit / schematic design)
Clock Doubler for CMOS Logic - Exclusive OR gate
Clock Generator - Use4093 oscillator (Tony van Roon's electronic)
Clock Multiplier Circumvents PLL - 05/13/99 EDN-Design Ideas
Clock Performance in Raid Storage Applications: PI6c2502 - Pericom Semiconductor Application Note # 026
Clock Performance in Registered PC133 SDRAM DIMM Modules: PI6C2510-133 - Pericom Semiconductor Application Note # 023
Clock Recovery PLL Fits into Single PLD - 11/23/95 EDN-Design Ideas:
Clock Recovery Scheme Suits Low Snr Systems - 06/05/00 EDN-Design Ideas: A clock-recovery architecture can operate with NRZ digital signals, even at low SNRs. A clock-recovery subsystem is based on a PLL comprising a phase comparator, a loop filter, and a voltage-controlled oscillator (VCO)
Clock Solutions for WIFI IEEE 802.11 - Pericom Semiconductor Application Note # 07)0
Clock Switching Circuit Banishes Glitches - 12/19/96 EDN-Design Ideas
Clock Termination Techniques - Pericom Semiconductor Application Brief # 023
Clock with Timer & Solar Panel Regulator - This is a combination clock timer and solar panel charge controller used to maintain a deep cycle battery from a solar panel. The timer output is used to control a 12 volt load for a 32
Coupling a Single-Ended Clock Source to the Differential Clock Input of Third-Generation TxDAC® & TxDAC+® Products - AN-642 Analog Devices Application Notes 
Crosstalk on the Clock Part 2 - Maxim Application Notes / 1841 / Nov-04
Crystal Considerations with Dallas Real-Time Clocks RTCs - Maxim Application Note #58
Click here for more Electronics Circuits  Click here for Electronics Tutorial