Here is a simple model of the amplifier

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Other Materials from the Main Document

• Article «Temperature drift compensation for audio power amplifiers»
• Figure 1. The capacitor-coupled output's cut-off low frequency is determined by the load, the capacitor C_C, and the output network
• Figure 2. The directly-coupled output's lower cut-off frequency is not limited by the output
• Figure 3. Here is a simple model of the amplifier
• Figure 4. This simplified model of a VAS and driver will provide us with valuable insights about the output DC offset
• Figure 5. This is a first-order real-world implementation of the circuit
• Figure 8. Here we can see the output voltage drift with (red line) and without (blue line) the thermistor connected