Posts by newbie‭

The below schematic is taken from this TI reference design. May I know is there any reason for using 2 MOSFETs here. Hi this link contains the application of the product.This is a Wireless PIR M...

0 answers  ·  posted 4d ago by newbie‭  ·  edited 1d ago by newbie‭

I am using an IR transceiver in my design.This IC is working at 3.3V supply.This IC need not be on always so I decided to give a control to it's shut down pin (Pin no 5,Shutdown Input. Active low)....

1 answer  ·  posted 6mo ago by newbie‭  ·  last activity 6mo ago by Olin Lathrop‭

I am using TPS63000 in my design and I need to control PS/SYNC pin using a micro-controller. **The input to the buck boost converter is 3V to 4.3V which is coming from a battery. The microcontrol...

1 answer  ·  posted 6mo ago by newbie‭  ·  edited 6mo ago by newbie‭

The below circuit is take from here. May I know how this circuit maintains the Potential at Reference Electrode and Working Electrode same. Here you can see that the working electrode is connec...

1 answer  ·  posted 2d ago by newbie‭  ·  last activity 2d ago by Olin Lathrop‭

I was analyzing the design a hazard warning light.The spec of the light turn on off is given below. The flashing-light frequency shall be 90+/-30 times per minute. May I know in this case the...

1 answer  ·  posted 1y ago by newbie‭  ·  last activity 1y ago by Olin Lathrop‭

May I know how to calculate a signals rise time from it's frequency. I found this article for the same. The formula given is Tr = 1/f*π. May I know is this applicable for PWM also.

1 answer  ·  posted 1y ago by newbie‭  ·  last activity 1y ago by Olin Lathrop‭