1.25 As long as both diodes are off, the circuit of Fig. P1.25 is an inverting amplifier giving vo -R/R,)v,. But what if either diode conducts? Analyze the circuit and then sketch and label its VTC over the range -7.5 V < v,< +7.5 V. Show all breakpoints and slopes. Hint: examine first the case v,> 0, and show that with v, = 0 V, D, is off, but increasing v, will even- tually turn D, on. Then, exploit the fact that circuit behavior for v, < 0 is symmetric of that for v, > 0. VI R3 R4 o+Vs (10 V) 10 kΩ 20 kΩ R1 R2 10 kN 10 kN VI vo +. A D2 R6 R5 o-Vs (-10 V) 10 kN 20 kN
KVL and KCL
KVL stands for Kirchhoff voltage law. KVL states that the total voltage drops around the loop in any closed electric circuit is equal to the sum of total voltage drop in the same closed loop.
Sign Convention
Science and technology incorporate some ideas and techniques of their own to understand a system skilfully and easily. These techniques are called conventions. For example: Sign conventions of mirrors are used to understand the phenomenon of reflection and refraction in an easier way.
An operational electronic equipment circuit has associate degree output voltage that varies within the wrong way because the input voltage is named associate degree inverting op-amp. In alternative terms, it's a hundred and eighty degrees out of the section.
Inverted electronic equipment is one within which the output is a hundred and eighty degrees out of the section with relation to the input, whereas non-inverting electronic equipment is one within which the o/p is in section with respect to the input.
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