Integrated operational amplifier tone control circuit of a simplified equivalent circuit a

At high frequencies, q, Cz can be seen as a short circuit (i.e. RPi not present), as shown in Figure 4-6 (a) in the apparatus shown in FIG equivalent to 4-6 (b). Then there are

: a high-frequency maximum lifting capacity: A f F (RI + R3 + 2Rz) cuddle 3; maximum high-frequency attenuation value: vc F feet 3/(Ri + R3 ten 2Rz). On two formula assumes: RP2 (Rt ® 3 + 2R2), high-frequency boost corner frequency:, s l/. 7tR3 C2. (Unit: f a ratio, R- fl (Europe), C- F (scared))

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