50Hz 60Hz Frequency Generator Circuit Using Crystal Oscillator

50hz 60hz frequency signal generator circuit using crystal


50 Hz 60 Hz frequency generator circuit using crystal oscillator

You can generate 50Hz or 60Hz using this frequency generator. This oscillator can be used as the front end of circuits that require precision pulses.

A crystal is used in the circuit to generate clock pulses. The circuit uses two counter ICs CD4060 and 7490 to divide the basic frequency to generate 50Hz or 60Hz pulses.

60hz 50hz frequency signal generator circuit diagram using crystal oscillator

PARTS LIST
R1 2.2MΩ
C1  24pF
C2  24pF
C3  0.01µF
C4  47µF 16V
C5  0.1µF
C6  100µF 16V
XTAL  4.096MHz or 4.9152MHz Crystal
IC1  CD4060
IC2  7490 (SN74LS90N)
IC3  7805 Regulator
“X” is a test point.

 

CD4060 act as an oscillator and frequency divider here this is arranged to divide by 8192Hz which gives 600hz when you using 4.9152MHz crystal or 500hz when you using 4.096MHz crystal. That frequency further divided by 10 using 7490 IC is to obtain 50Hz or 60Hz output.

4.096MHz Crystal
4.096MHz=4096Khz=4096000Hz
4096000/8192=500Hz
500/10=50Hz

4.9152MHz Crystal
4.9152MHz=4915.2KHz=4915200Hz
4915200/8192=600Hz
600/10=60Hz

CD4060 IC CMOS 14-Stage Ripple Carry Binary Counter  Divider and Oscillator CD4060BE

CD4060

CD4060 CMOS 14 Stage Ripple Carry Binary Counter Divider Oscillator ic pin configuration

CD4060 IC PIN CONFIGURATION

 

You can check CD4060 crystal oscillator and frequency divider work correctly via “X” test point. when you use 4.096MHz crystal “X” point gives 500Mhz output and 4.9152MHz crystal gives 600Hz output. If you don’t need a test point you can ignore it.

 7490 SN7490A SN74LS90 SN74LS90N 7490N BINARY COUNTER IC 7490 SN74LS90N 7490N BINARY COUNTER IC pin configuration

This frequency generator circuit gives 50Hz as output when the crystal is 4.096MHz. Crystal must be 4.9152MHz if you need 60Hz.

50hz 60hz frequency signal generator circuit using crystal 50 hz 60 hz frequency generator veroboard design 50hz 60hz frequency signal generator circuit diagram using crystal oscillator 50hz signal generator circuit testing project board 50hz 60Hz generator X test point frequency 500Hz or 600Hz


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10 comments on “50Hz 60Hz Frequency Generator Circuit Using Crystal Oscillator
  1. Schalk says:

    Hi,

    Can I adjust the frequency up or down by about 10 to 15 percent with the addition of a trimpot / trimmer capacitor somewhere? I need 50 Hz and 67.5 Hz

    Many thanks

  2. Abody says:

    Thanks for all

  3. Moutassem says:

    Great job
    if i want to design like this circuit but my load drains 17A at 110Vdc. can you give the modification which i have to do?
    I really appreciate your help

  4. Jamie says:

    Hi, i am building a circuit similair to this one and was wondering if you/someone could list me the type of capacitors used in the circuit, labeling them C1, C2, C3 and so on.
    i seem to keep blowing mine up. PLEASE HELP!!

  5. aj says:

    which pin of ic2 is used for the output?

  6. mk says:

    Im very glad to sending agin

  7. admin says:

    Bob :

    You have the voltage regulator IC3 input and output designators on the schematic marked backwards. The input is the sourcing power supply, the output is the 5v regulated output.

    That is my mistake. I correct it. Thanks!

  8. Bob says:

    You have the voltage regulator IC3 input and output designators on the schematic marked backwards. The input is the sourcing power supply, the output is the 5v regulated output.

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