Results tagged #Negative Voltage in Circuits
Negative Auxiliary Voltage
Some circuits need a negative supply voltage that only has to supply a small current. Providing a separate transformer winding for this (pos...
negative auxiliary voltage
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Negative Voltage Supply Circuit
The combination Hartley oscillator/step-up transformer shown in A can generate significant negative high voltage,...
Efficient Negative Voltage Regulation
Many applications require highly efficient negative-voltage post regulators with low dropout voltage ...
Auxiliary Negative Dc Supply
In this circuit, IC1 (CD4009) is used as a square-wave oscillator at approx...
Up-Controlled Negative Voltage Converter
This circuit was used to produce a variable negative voltage for contrast control of an LCD displa...
Efficient-negative-voltage-regulator
One v;ay to provide good negative-voltage regulation is with a low-dropout positive-voltage regulator operating from a well-isolated second...
Negative Voltage Generator Schematic
Most operational amplifier circuits require a dual-polarity power supply - one having +V and -V. However, there are times when a DP supply s...
Negative Voltage from single positive power Supply
Opamps are very useful. But one of their major drawbacks is the requirement of a dual supply. This seriously limits their applications in fi...
Negative Voltage Load Swtich
The idea is simply to turn off the negative voltage load. Some examples:-
- Bias votlages for LCD panels
- RF Amplifiers
- Audio Amplifie...
Negative Voltage Load Swtich
The idea is simply to turn off the negative voltage load. Some examples:-
- Bias votlages for LCD panels
- RF Amplifiers
- Audio Amplifie...