DC12V Power Amplifier VU Meter Driver Board DB Audio Level Meter for TA7318P DIY Electronics
sku: 1876563
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$10.68
Shipping from: China
Description
Product description Level meter VU meter a small table driven power amplifier boards circuit design reference Japan s and DENON finished machine table head drive circuit a professional audio amplifier chip Features 1 designed for audio level testing and design of an integrated circuit chip imports includes the square roots of a dynamic index compression circuit Example Input 1V the 1V input 4V the 2V input 9V the 3V taking into account the dynamic and precision instruction pointer swing moderate avoiding the small signal pointer does not move the large signal pointer backing of the state 2 no independent power supply power supply leads directly from the original as compared with TA7318P TA7332P reduce the cost of a transformer while inside the chassis takes up less space because the half the installation is more convenient and flexible 3 the circuit designed has the following characteristics Enter the installation of a 1ow pass filter circuit to filter out high frequency interference power supply for harsh environments such as car audio system Output sensitivity adjustable for a variety of specifications header The most common 12VDC power supply easy to use in vehicle device and PC computers Has a power reverse polarity protection Have energized pointer protection against boot pointer base extend header life Use 0 5W metal film resistors large power margin to ensure reliable and stable work long hours Technical Parameters Input Sensitiv
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