Mono integrated circuit OTL power amplifier circuit
Source: InternetPublisher:ghaytweyhtoo Keywords: Mono integrated circuit power amplifier circuit Updated: 2020/01/29
Among the main power amplifier circuits of combination audio, the most commonly used is the integrated OTL power amplifier circuit. The working principle of this circuit
is the same as that of discrete component circuits. The figure shows the mono integrated circuit OTL power amplifier circuit .
In this circuit - IC I is an integrated power amplifier and it has total 10 pins. U is the input signal, which is coupled through C1 and
fed into the internal circuit of IC I from pin ①. The signal amplified by the voltage amplification stage, the push stage and the power amplification stage is output from the ⑦ pin of ici, and
added to the speaker SP1 via island coupling.
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