Analog Frequency Meter Circuit

analog frequency meter

Analog Frequency Meter Circuit using NE555

This 1-kHz linear-scale analog frequency meter circuit uses the 555 as a pulse counter.

Analog Frequency Meter Circuit

R1 4.7kΩ
R2 4.7kΩ
R3 10kΩ
R4 22kΩ
R5 4.7kΩ
R6 2.7kΩ
VR1 50kΩ
VR2 2.5kΩ
C1 0.001µF
C2 0.01µF
C3 10pF
D1 1N4148
Q1 2N3904
IC1 NE555
IC2 LM7805
M1 1mA meter

2N3904 NPN Transistor General Purpose Amplifier

2N3904 NPN General Purpose Amplifier

VR1 Adjust for 1kHz full scale reading.

Frequency is read on M1, (or 1mA meter) which can be calibrated to read 0 to 1 kHz.

Please send your ideas, which are very important for our success…


Ravindra, Hi...

Tags: ,
19 comments on “Analog Frequency Meter Circuit
  1. I’ve recently started a blog, the information you provide on this site has helped me tremendously. Thank you for all of your time & work.

  2. Valuable info. Lucky me I found your site by accident, I bookmarked it.

  3. Oh throw that you so much in return your despatch at right time. It helped me in my assignment. Thanks Alot

  4. this post is very usefull thx!

  5. TomPier says:

    great post as usual!

  6. Keep posting stuff like this i really like it

  7. WP Themes says:

    Good dispatch and this fill someone in on helped me alot in my college assignement. Thank you as your information.

  8. cna training says:

    Wow this is a great resource.. I’m enjoying it.. good article

  9. found your site on today and really liked it.. i bookmarked it and will be back to check it out some more later

1 Pings/Trackbacks for "Analog Frequency Meter Circuit"
  1. […] This post was mentioned on Twitter by electronic circuits. electronic circuits said: Analog Frequency Meter Circuit […]

Leave a Reply

Your email address will not be published. Required fields are marked *


You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>

You can add images to your comment by clicking here.

Enter your email address: