L15D-PRO Mono Digital Amplifier Board Class D 300W with Relay Protection parameters: Use voltage DC: + -35V to + -50V Power: 150W 8R THD<0.05% 300W 4R THD<0.06% Size:147x60 MM Power amplifier board comes with DC output cut protection. Short-circuit output protection. Overload protection. Comes with a thickened radiator to provide enough power. Can reach 300W 4R rated output power. Details: Class D amplifier is a kind of switch-type amplifier, which consists of a pulse width modulator (PWM), a power bridge circuit and a low-pass filter, as shown in Figure 1. In order to achieve optimal amplifier performance, the switches in the power bridge must be optimized so that power loss, delay time, voltage and current glitches are kept to a minimum. Therefore, in such amplifier designs, the switches that need to be used should have low dropout, high switching time, and very low parasitic inductance. Although there are many options for this type of switch, it have proven to be the best switch for this type of amplifier due to its switching speed. Because it is a majority carrier device, its switching time is faster than devices such as IGBT or BJT. Package: 1 x L15D-PRO Mono Digital Amplifier Board Class D 300W with Relay Protection
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