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    CA3130A and CA3130 are op amps that combine the advantage of both CMOS and bipolar transistors. Gate-protected P-Channel MOSFET (PMOS) transistors are used in the input circuit to provide very-high-input impedance, very-low-input current, and exceptional speed performance. The use of PMOS transistors in the input stage results in common-mode input-voltage capability down to 0.5V below the negative-supply terminal, an important attribute in single-supply applications.

    The CA3130 Series circuits operate at supply voltages ranging from 5V to 16V, (±2.5V to ±8V). They can be phase compensated with a single external capacitor, and have terminals for adjustment of offset voltage for applications requiring offset-null capability. Terminal provisions are also made to permit strobing of the output stage. The CA3130A offers superior input characteristics over those of the CA3130.

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    38 Responses to "IC CA3130 Datasheet"

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    1. Hey I just lose mu ic ca3130 [Don't ask how].
      It is not available in near market. I have to show my project day after tomarrow. Can you tell any other ic which can replace it. Will 358 to it

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    2. we want to know about antenna ……. and c3 capacitor,any other optional reciever circuit.
      please reply soon.

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    3. please give brief idea about c3 capacitor and antenna……
      please rply today…….

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    4. Is it possible to Have beep Faster when Mobile came near………..
      if yes than what is the extra circuit………

      Reply me Soon….

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    5. sir, is the cellphone detector circuit really works??? what kind of antenna we should use and i want to know more about this circuit. We select this as our mini project. reply asap sir. Thank u very much

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    6. sir, IC CA3130 is not available in the market in our country. pls suggest if theres other ic we can place to ca3130.. thank u so much!

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    7. Hi Sir, First of all , I thank you . This project is really working.I need to increrase the range to detect signal. Could you send me the circuit to increase the range? Please Sir…

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    8. I am interested to do this circuit.please give me peace of information about the 5inches antenna in vijayawada.

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    9. I am a b.tech student and I am doing this project Sir. But I couldn’t get the IC CA 3130. will you please say any other alternate IC which is available. It is urgent Sir. please kindly do reply Sir.

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    10. يوجد عندى دايرة كشف المحمول ولاكن بواسطة كاشف دايود

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    11. I need more info about this IC CA3130,its cost & availability in Pune city…
      Please reply as soon as possible……
      provide some more info about its construction….
      please send your mail on madhu.23cool@gmail.com

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    12. sir,i am very much in need of ic ca3130(for cell phone detector circuit it is not available in market at hospet can we replace that ic by any other circuit please reply to this mail address http://www.shamshad.hh@gmail.com

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    13. balamadhusudanareddy says: on March 10, 2012 at 6:36 pm

      sir, is the cellphone detector circuit really works??? what kind of antenna we should use and i want to know more about this circuit. We select this as our mini project. reply sir pls….

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    14. JANA PRAKASH mech says: on March 17, 2012 at 3:42 am

      YA i tried it works but a continuous beep is not possible . and can be made by using making series with104 capacitor.any other feel freee to ask me .

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    15. akanksha says: on March 20, 2012 at 9:05 am

      sir please tell me where can i get this ic ca3130

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    16. JANA PRAKASH MECH says: on March 20, 2012 at 2:56 pm

      tell me ur living city so that i can help u

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      • Rajath R says: on August 24, 2012 at 2:00 pm

        i live in bangalore….
        where can i find dis ic and please tell me about the components and total cost of the project….
        PLEASE REPLY SOON…
        THANK U!!!

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    17. IBYISHAKA M. Merci says: on April 18, 2012 at 8:19 pm

      hi,sir i just want to have some explinations about the cell phone detector circuit. something like it’s working principles,it would be better if you unswer on my e-mail. as soon as possible i am waiting for your replay.

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    18. ibyishaka m. merci says: on June 7, 2012 at 6:06 am

      sir,i’ve been been interested in this project of a cellphone detector and now i’m doin’ it as my project but i cn’t get really the working principle of ic 3130 in the ckt.i would like your help abt this,plz replay soon!

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    19. prasanna says: on June 29, 2012 at 8:04 pm

      Hello Sir,this circuit is working up to 60cm.But we are trying to increase the range inorder to detect the signal. Could you plz send me the circuit to increase the range?

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    20. i am from iran . but i want circuit that could see out signals with LCD example osiloscop.

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      • Jim Keith Jim Keith says: on July 25, 2012 at 12:28 pm
          member

        Hi Nader, What circuit are you referring to or what function do you need? This op amp has many applications.

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    21. hi sir can anybody tell me please what is the appr cost of this projec please……

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    22. Rajath R says: on August 24, 2012 at 2:04 pm

      where in bangalorecan i find dis circuit..
      reply soon…

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    23. sir, i want 2 knw abt antenna..pls guide me…

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    24. sir what are other alternatives for IC 3130

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    25. snow white says: on October 21, 2012 at 1:50 pm

      i want to know how can we make antenna for this project from a wire….i got a problem….i have used this circuit but buzer beeps as soon as switch is on…plz help me solve ir…reply asap

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    26. Adnan ahmad says: on December 12, 2012 at 8:08 pm

      Sir I am a student of school in class 11 but I am relly intrested in making circuits I made many of them by presently I am making this cellphone detector but I am not able to find CA3130 ic op amp plss tell me any two alternatives

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    27. vignesh says: on March 6, 2014 at 4:16 pm

      i want the project report of mobile detector usig ic ca3130 and 555

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