Engineer Andy Morris was having problems with
his Chinese-made stereo sets -- namely overheating. While the mechanical
engineer's solution would likely be the addition of massive heat sinks or gobs
of thermal grease, Morris is an EE -- so he created a new circuit to cool things down:
"The problem was that a voltage regulator had to drop the 18 volt main power supply voltage to 8 volts at 500ma to power the CD player, wasting 5 watts of power and causing a lot of heat inside the compact unit. This circuit acts as an interference-free pre-regulator to greatly reduce the power loss."
Click here to view Morris' interference-free pre-regulator circuit.
"The problem was that a voltage regulator had to drop the 18 volt main power supply voltage to 8 volts at 500ma to power the CD player, wasting 5 watts of power and causing a lot of heat inside the compact unit. This circuit acts as an interference-free pre-regulator to greatly reduce the power loss."
Click here to view Morris' interference-free pre-regulator circuit.
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