Although semiconductor diodes available today are close to ideal” devices, they have severe limitations in low level applications. Silicon diodes have a 0.6V threshold which must be overcome before appreciable conduction occurs. By placing the diode in the feedback loop of an operational amplifier, the threshold voltage is divided by the open loop gain of [...]
This is Circuit build Nagative voltage generation Form IC 555 timer ,It is Hot IC and Easy to Use. Related Links Circuits More about Converter circuit More about dc to dc converter More about IC 555 More about nagative voltage
This circuit is derived from an application note of LM2575, It is a Power Switching Regulator from National Semiconductor. National Semiconductor The details are here LM2575 An application note by On Semiconductor shows how this chip can be used to generate Negative Voltage Power Supplies from Positive Voltages. A Power Transistor which is having a [...]
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