Detailed, perhaps even too detailed amplifier test on TDA7297, consisting of the following steps:
1) Measurement of noise at minimum and maximum volume;
2) Power measurement at a frequency of 1kHz and 50Hz (8 ohms);
3) Measurement of power at a frequency of 1kHz and 50Hz (4 ohms);
4) Linearity of frequency response up to 20 kHz;
5) Maximum playback frequency;
6) Measurement of the efficiency of the amplifier.
Product link - alii.pub/5zjcyf
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