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Recent content by Revathysrini

  1. R

    Thickness detection circuit

    Hi, Thank u both for reply. This circuit is for detecting currency thickness. whenever double note(currency) is passing through, the light received by photo diode is partially interrupted (depends on note thickness) which is sensed by microcontroller & drive corresponding motor to reject this note.
  2. R

    Thickness detection circuit

    Hi, Im tracing out thickness detector circuit (attached herewith) in which first stage of op amp is used to convert photo diode current to voltage. Could nt understand the op amp configuration in second stage. is it a comparator? Kindly suggest me.
  3. R

    IR Emitter with lm317

    Hi, can you please explain the purpose of lm317 in attached circuit
  4. R

    Alternator output regulator

    Hi all, I need to design an circuit which regulates output from Alternator whose output ranges from 60 Vac to 330 Vac. During low voltage, circuit should be in cut off state & supply no power to load. During high voltage, the circuit has to maintain voltage range from 220V to 240V. Pls guide...
  5. R

    Need Suggestion for SMPS Topology Selection

    Hi, Can you suggest me a SMPS topology for the following specification. AC input: 85 to 264 VAC Output 1: 24V, 8A Output 2: 12V 2A Thank you
  6. R

    Sensor for Paper Thickness Measurement

    Hi all, Which type of sensor is more accurate for Paper thickness Measurement (75-85 micron). Thanks,
  7. R

    Selection of Accelerometer

    Hi, We are designing ATM Alarm system...For the selection of Accelerometer, what acceleration range should i choose?
  8. R

    Required part number of sensor pair(InSeparate Plastic housing)

    ya..Most of them are through hole ..I need to fit this in between mechanical parts..
  9. R

    Required part number of sensor pair(InSeparate Plastic housing)

    Hi, Is there any other sensor pair( IR & Photo transistor) with seperate plastic housing available like in attachment...
  10. R

    pcb design procedure

    Hi, Search google for "complete pcb design using orcad capture and pcb editor"
  11. R

    List of PCB Manufacturers in India

    http://www.hiqelectronics.com/
  12. R

    How to improve 6v sla battery charger?

    Re: 6v sla battery charger @neddie Does your circuit keep on charging the battery even after get fully charged?
  13. R

    Need Explanation for this circuit

    Hi , Can anyone explain me how this circuit works & i need to know what will be the output if both the inputs are zero. Revathy
  14. R

    [General] Need to Select a suitable microcontroller

    Hi friends, I need to interface 10 sensors(analog), 2 stepper motors and 4 solenoid with a microcontroller. For the above requirement, which microcontroller is more suitable..and what are the factor i need to consider for selecting a microcontroller. Thanks, Revathy
  15. R

    Easy way to assign footprint in orcad

    Is there any easy way to assign footprints in orcad capture instead of entering each and every PCB footprints in Edit Properties.
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