Broadband operational amplifier circuit structure
Source: InternetPublisher:他们逼我做卧底 Keywords: Broadband operational amplifier circuit circuit structure frequency range Updated: 2021/10/16
The structure of the wide-band high-output operational amplifier circuit is shown in the figure. It is an operational amplifier composed of separate components such as differential signal input circuit (VT1, vn), excitation
amplifier V13 and complementary push-pull output stage (VT4, VT5). . There is direct coupling between all stages, and the frequency range
of the amplified signal starts from DC, and the high frequency can reach 30 MHz. This circuit is suitable for signal measurement. If the transistor is selected with good high-frequency
performance, it can reach IOH, and the frequency range of the amplifier can be extended.
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