frequency meter

Frequency Meter with 100 MHz RF desktop channel using ATtiny2313 microcontroller

Frequency Meter with 100 MHz RF desktop channel using ATtiny2313 microcontroller

This basically the frequency meter section of the frequency meter/pulse generator based on the AT90S2313 described elsewhere on this site, combined with the 100 MHz RF interface described in the page about the RS-232 to 100 MHz RF desktop channel adapter. Built and align this is the same manner as the 100 MHz RF desktop …

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Preamp and 330 + MHz Prescaler for A Little More Serious Frequency Meter using microcontroller

Preamp and 330 + MHz Prescaler for A Little More Serious Frequency Meter using microcontroller

Overview After finishing Little More Serious Frequency Meter I had planned to make a suitable preamp and prescaler for it, and set about to gather ideas and parts. I was inspired by one fellow who had built the meter and the 2 line X16 character LCD display to show the output, succeeded in designing a …

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A Little More Serious Frequency Meter using ATtiny2313 microcontroller

This is design for a frequency meter based on AVR microcontrollers. Maximum input frequency is specified to be 30 MHz in the multi-chip configuration, and in single-chip configuration, there are both 5 MHz and 10 Mhz versions operating with 10 and 20 MHz crystals, respectively. All versions have 9 1/2 digit resolution. I have  used …

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LC Resonant Frequency Meter using AVR microcontroller

A well known L/C measurement circuit is pressed into service to make a bare bones measurement circuit. Download the AVRStudio assembly source: lgm031227I.asm Download the AVRStudio hex file: lgm031227.hex Left-to-right: The 5 volt regulator, the LM393 oscillator (a 0.047 uf capacitor is mounted on the LC circuit connector), the AT90S2313, and the serial connector to …

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8 MHz frequency meter using AVR microcontroller

This project can measure the clock pulses fed to the Timer input of the AVR microcontroller. The Bascom code counts the clock pulses for 1 second and display it over the LCD display. The frequency is displayed in Hertz and this project can measure a frequency of max 8mhz. Circuit Diagram For more Detail: 8 …

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