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150W MP3 Car Amplifier

150W MP3 Car Amplifier

LF353 Wide Bandwidth Dual JFET Input Operational Amplifier.These devices are low cost, high speed, dual JFET input operational amplifiers with an internally trimmed input offset voltage BI-FET II technology.They require low supply current yet maintain a large gain band width product and fast slew rate. In addition, well matched high voltage JFET input devices provide very low input bias and offset currents
Features :

Internally trimmed offset voltage: 10 mV Low input bias current: 50pA Low input noise voltage: 25 nV Low input noise current: 0.01 pA Wide gain bandwidth: 4 MHz High slew rate: 13 V/us Low supply current: 3.6 m High input impedance: 1012. Low total harmonic distortion : < 0.02% Low 1/f noise corner: 50 Hz Fast settling time to 0.01%: 2 us

When the amplifier is installed behind in the suitcase, we shall need a switch works stop. The LA47536 possesses a function stand by in it pin4. This pine require a small tension superior to 2V in start up the amplifier. Transistor Q1 and Q2 makes the function of walking stop for distance. When the driver activates the left indicator, either light the back fires or press on the brake , lamps rear ignite driving Q2 who he even made to drive Q1 who applies a tension > 2V on it pin4

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