. Electronic apparatus for biological research . Frequency Figure of the bump the phase shift is modified and it is necessary to add a correcting term to the expression already given. The equation which follows is due to Bode, and is quoted by F. E. Terman {Radio Engineer's Handbook). If the slope of the curve at the frequency m where the phase shift is required is {dAjdu)^, and the general slope of the part of the characteristic upon which the bump is superposed is (d^)/(dw), as before, then Uu) ~ , 77 (dA\ 1 f loge COth 2r" where u = loge (frequency/frequency co). * Provided there
. Electronic apparatus for biological research . Frequency Figure of the bump the phase shift is modified and it is necessary to add a correcting term to the expression already given. The equation which follows is due to Bode, and is quoted by F. E. Terman {Radio Engineer's Handbook). If the slope of the curve at the frequency m where the phase shift is required is {dAjdu)^, and the general slope of the part of the characteristic upon which the bump is superposed is (d^)/(dw), as before, then Uu) ~ , 77 (dA\ 1 f loge COth 2r" where u = loge (frequency/frequency co). * Provided there are no 'all pass' sections present, or 52
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