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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
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An op-amp has a high gain as shown in Figure 2-1. The gain is dependent on frequency. The gain also varies from device to device and is affected by temperature and other environmental conditions. Therefore, op-amps are generally used with negative feedback. Depending on conditions, negative feedback turns into positive feedback, causing the feedback loop to oscillate abnormally.
Section 2 describes feedback oscillation, basic amplifier circuits using an op-amp, a virtual short-circuit required when considering an amplifier circuit.