[Solved] A transistor amplifier has poles at s1 = - 0.000245 x 109 rad/sec. s2 = - 0.0748 x 109 rad/sec. s3 = - 0.670 x 109 rad/sec. s4 = - 4.38 x 109 rad/sec. The upper 3 dB frequency of the amplifier will be - Engineering - Electronics and Communication Engineering - Analog Electronics