8/30/2023 0 Comments Persamaan ic lm 386In Figure 3 is fully of LM386 stereo circuit, 2 watts.įigure 3: LM386 stereo amplifier in bridge 2 watts If we can get LM386 to build a stereo amplifier with bridge mode. It is a short circuit until both amplifiers run too much power. The total voltage is both batteries.ĭo not connect the output together. Imagine, it is similar we connect both batteries, different polarity. But amplifier 2 works inverting phase of amplifier 1. Some may wonder why bridge amplifier is high power than normal?īoth amplifiers are the same gain. The sound from the speakers in Figure 2 is 2 times of Figure 1. And can provide high power magnification.įigure 2: Basis of BTL- Bridge amplifier model Advantage, not require the high voltage power supply. Some called the BTL model ( Bridge output Transformerless). Sure its power is higher loud than the first model. You begin interested in Figure 2, right? We called a bridge amplifier form. Figure 2- The gain is as much as 4 times.Figure 1-The gain is about 2 times only.What the difference is between Figure1 and Figure 2? We add the amplifier 2 into the amplifier section 2. If an input signal is 1 volt, the output equals: And, suppose we set the gain of a power amplifier is about 2 times.
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