Electronic apparatus for biological research electronicappara00dona Year: 1958 INDUCTANCES AND RESISTANCES which, if k is nearly unity, simplifies to Kout 1 'in ^(1 - k^)o,L, r + RX^ il-k^+ ' + ^^ ^'^''' Rl + Rs (oL, n^ Rl + Rs w r -o—\A-nj5r^ I w\rv^ Figure -WW—'THnnnnr^ Rf,*r V. .-,.p -o- I Figure This is plotted as a function of frequency in Graph 21 for various values of k and for 3 degrees of loading Light load— ^i_^ ^ io(i?^ + r) —full lines n' Matched load— —^ ^—- = i?j, + r —chain-dotted lines Heavy load- n' Rs + Rl «2 = 0-l(Rj, + r) —dashed Hnes Evidently a transformer
Electronic apparatus for biological research electronicappara00dona Year: 1958 INDUCTANCES AND RESISTANCES which, if k is nearly unity, simplifies to Kout 1 'in ^(1 - k^)o,L, r + RX^ il-k^+ ' + ^^ ^'^''' Rl + Rs (oL, n^ Rl + Rs w r -o—\A-nj5r^ I w\rv^ Figure -WW—'THnnnnr^ Rf,*r V. .-,.p -o- I Figure This is plotted as a function of frequency in Graph 21 for various values of k and for 3 degrees of loading Light load— ^i_^ ^ io(i?^ + r) —full lines n' Matched load— —^ ^—- = i?j, + r —chain-dotted lines Heavy load- n' Rs + Rl «2 = 0-l(Rj, + r) —dashed Hnes Evidently a transformer is a band-pass device having 6 dB/octave attenua- tion slopes at each end of the pass-band. The lower turn-over frequency occurs at a>i = ir + RJ^^^) 69
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