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Now a days mobile phone comes with different batteries rating 1000mah to 4000mah. but actually any mobile phone takes current to some extent only.so how can we justify that a battery with larger ampere rating give more backup. Because for example a 1.5v *2 AA battery lasts long than a 3.7v...
I want to rebuild an smps with its pwm burnt out (SG6859) and need to replace with RCC.I found a link to DIY smps from www.poweresim.com .Does it compitable with the existing switching transformer? .
A cable almost 10mts and above also have good Internet connection between modem and pc.I am using internet with such a 8 strand rj45 wire without problem.Avoid the running of wire near electrical wires so no noise induce into the netwirk cable for good net speed.
I just want to use the smps transformer and design a new smps with same rating with discreet components as regular ch ina mobile charger with high rating components.
I have an smps adapter of 12v 1a with a fault ic of constant current voltage smps (6 pin smd IC). how to make it work again by modifying the circuit without ic .smd removed in the figure. it looks like ap4313.
I am planning to by car mp3 fm transmitter.I this device is a orignal stereo or a mono transmitter?(cheap chinies around Rs.190 to 250 ).wil l i get stereo seperation through my car speakers?
I have designed an USB MP3 player (7segment display) which operates on 5v dc at 60ma.I have only MAX323 IC available here in the market. can any one suggest me how to power up the device on 3.7v lithum-ion battery .
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