. Electronic apparatus for biological research . ^c Figure 45.14 signal generator of internal resistance Rq (Figure 45.14) then these exact expressions^ follow: The current gain a/o„t ^Re - Re ^' 61,, R, + R, + Rl The input resistance, /?{„, that is, the resistance seen looking in at the input terminals with the generator temporarily disconnected but with the load connected, equals R^ + RX + 7^- The voltage gain, ^nut Rl The output resistance, Rq^u that is, the resistance seen looking back into the output terminals with the load temporarily disconnected but with the generator connected

- Image ID: MA7AP2
. Electronic apparatus for biological research . ^c Figure 45.14 signal generator of internal resistance Rq (Figure 45.14) then these exact expressions^ follow: The current gain a/o„t ^Re - Re ^' 61,, R, + R, + Rl The input resistance, /?{„, that is, the resistance seen looking in at the input terminals with the generator temporarily disconnected but with the load connected, equals R^ + RX + 7^- The voltage gain, ^nut Rl The output resistance, Rq^u that is, the resistance seen looking back into the output terminals with the load temporarily disconnected but with the generator connected
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Image ID: MA7AP2
. Electronic apparatus for biological research . ^c Figure 45.14 signal generator of internal resistance Rq (Figure 45.14) then these exact expressions^ follow: The current gain _ a/o„t _ ^Re - Re ^' 61,, R, + R, + Rl The input resistance, /?{„, that is, the resistance seen looking in at the input terminals with the generator temporarily disconnected but with the load connected, equals R^ + RX\ + 7^- The voltage gain, _^nut__ Rl The output resistance, Rq^u that is, the resistance seen looking back into the output terminals with the load temporarily disconnected but with the generator connected, equals K + R,i\+ ^^'-^- ^ ^b + -^e + Rg) 683