You are given the bridge circuit of Figure 3–30(a).

(a) Find the proportionality constant K in the input-output relationship υO =KυS.

(b) Find the sign of K when R2R3 >R1R4, R2R3 =R1R4, and R2R3

(c) Draw a block diagram of this relationship

Transcribed Image Text:

VS +- R + VA R3 +vo R + VB (a) R4