How to use the UC2845 & KA3525 PWM ICs ??

Thread Starter


Joined Oct 9, 2013
Hi everyone here .

Its been a long time am trying to understand how these PWM ICs work but no clue at all , and the datasheets don't show much detail .

According to a course i have previously took there is a possibility to perform PWM using UJT to send pulses to the gate of a thyristor , and by changing the instant were the gate is triggered i can modulate the pulse width of an ac signal for example .

Now with these Chips i don't undestand how i can use them to modulate a signal's pulse width .

Do you have any sort of explanation on how to work with them for my purpose ??
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