- 24" Wall Clock
- 28 LED clock timer
- 3 - 12 MHz Signal Generator
- 5 to 30 Minute Timer
- 555 timer circuits
- 555 Timer Tutorial + Circuits
- A GPS receiver based frequency standard
- AD9852 DDS schematic
- AF variable frequency generator using 555 IC
- Alarm clock based on Atmel AT89C2051 and Dallas DS1307 RTC chip
- Astable 40KHz clock
- Astable Multivibrator
- Astable Multivibrator Projects / Circuit diagrams
- Audible timer that can be used as a cooking timer for roasting peanuts for example
- Bedside lamp timer
- Binary clock
- Binary clock using LED matrix to display a binary clock with 6 digits of 4 binary bits each
- Budget timer
- Build A 100Khz Crystal Calibrator
- Build a synchronous clock locked to the mains frequency
- CA4060B Timer Circuits
- Cheap 40KHz clock using one gate of a 74C14
- Clock divider
- Clock doubler
- Clock generator
- CMOS oscillator using 74C14 inverting Schmitt trigger
- Collection of timer circuit diagrams to generate very long delays
- Constant Reactance Voltage Controlled Oscillator (PDF)
- Continuous Coverage V.F.O. for H.F. (PDF)
- Countdown timer with relay
- Crystal 32.768KHz CMOS Oscillator
- Crystal heater / temperature stablization circuit (TXCO)
- Crystal oscillator using a CMOS or HCMOS inverter
- Crystal switcher using diodes
- D Flip-flot one-shot circuits (PDF)
- D.I.Y. Clock Oscillator based on 555 timer
- DDS oscillator based on an Analog Devices AD9859 and an Atmel ATmega16 microco (Microsoft Word)
- DDS using AD9835
- DDS/PLL based VFO synthesizer
- Decimal DDS Signal Generator
- Digital clock based on 74 series logic
- Digital clock that receives and displays the time from the Rugby MSF radio transmission (PIC16F877)
- Digital Clock with Alarm Using DS1307
- Digital Stopwatch 0-60sec
- Digital Stopwatch 0-99sec
- Digital timer with 7-segment display and pushbuttons
- Direct Digital Synthesis VFO for HF Bands - based on Analog Devices AD7009 DDS (PDF)
- Divide by 1.5 counter (PFD)
- Egg timer
- Experimental Base Bias Tuned VFO
- Experimental DDS frequency synthesizer uses the AD9851
- Frequency Tripler using the CA3028 (PDF)
- Giant nixie clock
- GPS-based universal clock generator
- HCMOS Gates Make Frequency multipliers (PDF)
- High Precision GPS/TV controlled Reference Oscillator
- High-output square wave generator (PDF)
- Homemade scope clock using a DG7 tube and a Microchip PIC16F876
- IC oscillator 1...30MHz using 74LS04 chip
- Ice Tube Clock - Vacuum fluorescent display (VFD) clock
- LED matrix clock
- Line powered 60Hz clock generator (PDF)
- Long duration timer using 4060 12-stage binary ripple counter
- Low Distortion Crystal Oscillator (PDF)
- Micropower pulse generator (PDF)
- Micro-power pulse generator (PDF)
- Mixer VXO circuit diagram
- Monostable multivibrator
- NE555 Basic Monostable
- Oscilloscope CRT Clock
- Panel-mounting clock
- Photo timer circuit using NE555
- PTT Delay Circuit
- Push Button Switch Debouncer
- 'Rounding Off' a square wave
- Selection of 14 oscillator circuits include sinewave, audio, logic and LED flashers
- Sidereal clock project with circuit diagrams
- Signal Frequency Beat Frequency Oscillator
- Simple AF-oscillator / signal generator using pair on 2N2222 transistors
- Simple Divide-By-N using 161 series chip (PDF)
- Simple Function Generator using TL084 or other opamp
- Simple GPS Stabilised 10 MHz Oscillator
- Simple Sine Wave Oscillator including a PCB layout
- Single-digit Nixie clock
- Sleep Timer
- Special Function Timer Circuits (LM555)
- Square wave oscillator using CMOS 4011 NAND chip
- Square wave to sine wave converter
- Sun tanning timer
- Super VXO
- Switch debounce using 555
- Time Delay Relay using 4011 CMOS NAND gate
- Time Delay Relay using 555 timer
- Timer circuit based on a 14536 and 4011 CMOS chips that can be calibrated using a frequency counter
- Tiny Crystal Oscillator using LP2980 (PDF)
- Triangle / Square wave generator
- Triangle / Squarewave Generator using a 1458 dual opamp
- Tuning VFOs With A PN-Junction
- TV based Receiver for a Standard Frequency Generator
- Two nixie display clock
- Unusual frequency dividers (PDF)
- VCO - Voltage Controlled Oscillator covers around 70-210 MHz
- VCO covers 300MHz to 500MHz based on Maxim MAX2608 VCO
- VFD (vacuum flourescent display) clock
- Weston Voltmeter Clock
- Wide-swing Variable Crystal Oscillator
About Me
- B.Tech Live projects for ECE,EEE,EIE,ICE
- This site will be verymuch useful for students studying electronics,Electrical,Instrumentation engineering. The site showcases many links from around the web with good stuff related to electronics. Electronics hobbyists can find this a good place to start.Many simple circuits that you can build from scratch available on this site.Engineering Students of JNTU,AU,KU,OU,SRM,NU can be benifitted with this resource. Any concerns please email me technokishore@gmail.com
Timing & Oscillator circuits
Posted By B.Tech Live projects for ECE,EEE,EIE,ICE
Sunday, April 4, 2010
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Polite Notice
B.tech Live projects is the platform for everyone who are studying Electronics Engineering. Note that all these links are external and we cannot provide support on the circuits or offer any guarantees to their accuracy. Also note that some of the circuits are illegal to operate in most countries, please check your local regulatory bodies if concerned. Other circuits are dangerous to construct and should not be attempted by the inexperienced.
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