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Recent content by satiz

  1. S

    DC to DC buck converter

    Hi There, I would like to understand why DC to DC converter inductor has offset or (IMIN in the image) ? Here is the Image I got from online reference. Can any one pls help me to understand this
  2. S

    Need suggestion for LDO with good regulation for ratio metric sensor

    Hi Klaus, I too selected the LDO'S same way. But I like to know anyone using better LDO than my selection. And I feel for ratiometric sensor good Line regulation is need to reduce the output linearity error. ISL78307FBEBZ-T datasheet telling that the line regulation is 0.115%...
  3. S

    Need suggestion for LDO with good regulation for ratio metric sensor

    Hi There, I'm looking for a good LDO for MLX90316 IC. (Output is the ratiometric ) Please suggest some good ones. Input 6 to 40V Load Current is 30mA max I have some of the options here 1. LM9036QMX-5.0/NOPB 2. ISL78307FBEBZ-T Thanks in advance Satiz
  4. S

    Need Solution for Astable multivibrator circuit for 24V

    Hi there, I have a 12V astable multivibrator circuit but, I need this to operate in 24V what are the changes I have to do? Without changing the transistor. LED Quantity is not a matte for me I can add more. Thanks in Advane Regards Satiz
  5. S

    Allegro design entry HDL Doubts

    Hi All, I am learning Allegro design entry HDL In that I have few doubts 1. How to assign differential pair details in Schematic ? 2. How to change the Wire color ? 3. How to Change the short cut key function ?(Example Copy, Paste, ...Etc) Can anyone help me Please?
  6. S

    LTspice 555 timer duty cycle calculation help

    Hi there, I doing 555 astable simulations in LT spice and I got the output. my problem is expected Ton and Toff time is not matching with my simulation results. Below is my schematic. The formula I used to calculate Ton and Toff times are given below with results: Ton=0.693(R1+R2 x C)=5.04Sec...
  7. S

    PMOS Voltage control Switch

    Hi There, I want to switch ON my 2Amps when the input voltage is >11V. Vin 9V to 24V To do that I am planning to use the following circuit. While simulating PMOS is ON. But I have a doubt, SQJ457EP datasheet saying VGS(th) Min =-1.5 Typ=-2.0 Max=-2.5 which one I should consider. Please...
  8. S

    Non isolated AC voltage sense

    Here is the LT Spice file for reference
  9. S

    Non isolated AC voltage sense

    Can anyone tell me, how can I add LTSPCIE .asc file here
  10. S

    Non isolated AC voltage sense

    I calculated the gain using differential amplifier formula, Check the Image 1. CMRR is 114db. If this is Ideal opamp both the input terminals are virtually shorted. But I have doubt here to calculate non inverting terminal input voltage.
  11. S

    Crystal oscillator output sharing doubt.

    Hi All, Can I use single crystal output to two different Microcontrollers. Example : Two MC operating at 12Mhz, Can I share one crystal for both.
  12. S

    Non isolated AC voltage sense

    I agree with your point. This is a TI reference design. they have mentioned as Differential amp and formula also matched with there given gain. Here is the link for that. Please refer Non Isolated voltage sense section. (2.2.2) https://www.ti.com/lit/ug/tiduby7a/tiduby7a.pdf Below is easy...
  13. S

    Non isolated AC voltage sense

    Hi Klaus, Simplified circuit is attached for your reference.
  14. S

    Non isolated AC voltage sense

    Hi There, I am planning to using Differential amplifier for AC voltage sense . I want formula to find V2 in the attached circuit. My aim is to find the differential amplifier output. To get that I want to calculate Differential mode voltage Vd= [Non-inverting input] - [Inverting input] I...
  15. S

    [SOLVED] MOSFET reverse protection circuit Simulation Help needed

    Ya you are correct. Thanks for your reply. I confirmed by the below circuit. Thanks a lot.
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