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Recent content by mmajid

  1. M

    help on frequency division and duty cycle modulation

    frequency division and duty cycle I need a circuit capable of producing square wave signals (0 to +5V pulses) with some fixed frequencies like 30,20,15,10,5,1 MHZ (the exact value of them is not so important, for example 9 ~ 11 MHZ is acceptable instead of 10MHZ ). I found the attached...
  2. M

    frequency divider and duty cycle modulation

    4017 circuits I need a circuit capable of producing square wave signals (0 to +5V pulses) with some fixed frequencies like 30,20,15,10,5,1 MHZ (the exact value of them is not so important, for example 9 ~ 11 MHZ is acceptable instead of 10MHZ ). I found the attached schematic on the...
  3. M

    frequency divider and duty cycle modulation

    I need a circuit capable of producing square wave signals (0 to +5V pulses) with some fixed frequencies like 30,20,15,10,5,1 MHZ (the exact value of them is not so important, for example 9 ~ 11 MHZ is acceptable instead of 10MHZ ). I found the attached schematic on the web.the circuit...
  4. M

    help for finding a 1HZ ~20MHz squarewave pulse generator

    I need an adjustable square wave pulse generator (5~9 Volts output) that can produce square wave peaks from 1 Hz to 18~20 MHz. Can everybody help me to find a free schematicone on the web? something other than Max038, beacuse I can not find this microchip in IRAN.
  5. M

    help to find a MAX038 function generator for my research wor

    I need a Max038 to construct a 18~20 MHz square wave pulse generator. I am working on the effect of electromagnetic pulses on living organises. I can not find this microchip in Iran.I have communicated with Maxim company to send me a free sample, but they said me that they have not any...
  6. M

    Square wave pulse generator (5-9 V, 1Hz - 18~20Mhz)

    pulse generator I need an adjustable square wave pulse generator (5~9 Volts output) that can produce square wave peaks from 1 Hz to 18~20 MHz. Can everybody help me to find one on the web?
  7. M

    Square wave pulse generator (5-9 V, 1Hz - 18~20Mhz)

    pulse generator I need an adjustable square wave pulse generator (5~9 Volts output) that can produce square wave peaks from 1 Hz to 18~20 MHz. Can everybody help me to find one on the web?
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