Member Blog Posts: frequency
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Time and Frequency Counter
Posted Feb 07, 2012 By Circuit ProjectsThe projected is created to measure and count the frequencies and times as well as reckoning the events by using discrete high speed CMOS…
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Frequency Counter and Timer Development
Posted Feb 07, 2012 By Circuit ProjectsThe project employs a sliding window for calculation of multiple frequency updates per second on this frequency counter and timer.
During…
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Universal Frequency Counter
Posted Feb 07, 2012 By Circuit ProjectsThe project is based on Lattice ispLSI2032 PLD and AT90S8515 microcontroller to create a universal frequency counter that has the ability…
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Building a Frequency Generator by Using 555 Timer
Posted Feb 03, 2012 By Circuit ProjectsThe project was designed to build a frequency generator based on 555 timer that can be used as a body zapper.
During the assembly of the…
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Frequency Meter with 500KHz Range
Posted Feb 02, 2012 By Circuit ProjectsThe project was developed for measuring frequencies from 5Hz to 500kHz as it was based on the AT89C52 microcontroller.
This 500kHz…
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Function Generator (FunGen) by Exar 2206
Posted Feb 02, 2012 By Circuit ProjectsThe circuit was designed using the Exar 2206 IC to create the Function Generator that will produce Sine, Triangle, and Square waves with…
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Frequency Meter with 40 MHz Measurement
Posted Jan 31, 2012 By Circuit ProjectsThe device is a simple, small, and cheap frequency meter with out any hard to find components to be able to measure frequencies up to 40…
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Frequency Counter Using FunCount Kit
Posted Jan 27, 2012 By Circuit ProjectsThe project is designed to measure frequencies ranging from 1Hz to over 2 MHz by using the 20-pin ATtiny2313 microcontroller.
A standard…
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50MHz Frequency Counter
Posted Jan 27, 2012 By Circuit ProjectsThe project is a low cost frequency counter that utilizes widely available elements where the frequencies can be measured by the meter with…
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Whip Antenna Operating At Medium Wave Frequency
Posted Jan 26, 2012 By Circuit ProjectsDesigning the circuit for this antenna to be telescopic makes it collapsible where it can be extended to its full length or retracted to a…
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Frequency Meter and Pulse Generator with RS232 Interface
Posted Jan 26, 2012 By Circuit ProjectsAn Atmel AT90S2313 microcontroller is used to build this RS232 frequency meter which can communicate at 9600 baud through an RS232 terminal…
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Frequency Counter of AVR with LCD Display
Posted Jan 26, 2012 By Circuit ProjectsThe frequency counter project operates with 40MHz while integrating an 8-digit LCD display.
The device can be an optional offsets for use…
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Frequency Divider Using T Flip Flop Configuration
Posted Jan 25, 2012 By Circuit ProjectsThe circuit was constructed to produce a frequency divider with the use of flip flops which are the basic building blocks of sequential…
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VHF Center Frequency FM Transmitter
Posted Jan 25, 2012 By Circuit ProjectsThe circuit was designed to function on the middle of the FM band, 98 MHz, since the FM frequency ranges from 88 MHz to 108 MHz.
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Frequency Counter with 2.5 GHz Rating
Posted Jan 25, 2012 By Circuit ProjectsThe project utilizes an AVR controller that can be used as a counter by being more involved with a PIC which has synchronous counter…
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PIC16F84-Based Frequency Counter
Posted Jan 21, 2012 By Circuit ProjectsThe frequency counter is built around a PIC16F84 microcontroller for the frequency range of 100Hz to 2.5GHz.
The device utilizes an LCD…
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Frequency Counter with Wide Counting Range
Posted Jan 21, 2012 By Circuit ProjectsThe project was created to turn a multimeter into a sensitive frequency counter with a wide counting range.
An old frequency counter can…
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Graphic Equalizer with 10 Bands of Frequency
Posted Jan 17, 2012 By Circuit ProjectsThe circuit was designed to be able to amplify or attenuate some regions of the acoustic spectrum with the use of a graphic equalizer.
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Crystal Oscillator Frequency Converter
Posted Jan 17, 2012 By Circuit ProjectsThe circuit was designed to create a frequency convert with the use of a crystal oscillator for the conversion of 10 MHz to 1 MHz.
- 7404…
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Sine Wave Generator with 1KHz Frequency
Posted Jan 14, 2012 By Circuit ProjectsThis simple circuit has…
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