Part A: Non-Inverting Operational Amplifiers There are two basic types of op amp configurations, the non-inverting (Figure 7) and inverting (shown later) configurations. +15V Probe R₂ -15V R3 FGEN Ground R₁ O-scope Probe GND Figure 7: Non-inverting op amp configuration For a gain of 1, the resistors can be omitted and the output is directly connected to the inverting input (Figure 8). This is known as the follower configuration. R₁ FGEN 100k GND www +15V Probe DMM + -15V RL 100k Vout Probe GND Figure 8: Follower Configuration (Unity Gain) ⚫ NOTE: The input impedance of this amplifier is very high, so you should keep in mind that a path has to be provided for the input current since very little will flow into the non-inverting input. If not, the device may not operate properly. Here, this is addressed with RI and it is typically at least 100K or larger depending on the input resistance of the op amp. Determine the gain for the following non-inverting amplifier resistor combinations of R1 and R2 below. R1 10 ΚΩ R2 10 ΚΩ Gain 10 ΚΩ 20 ΚΩ 10 ΚΩ 100 ΚΩ 20 ΚΩ 20 ΚΩ 002 (open-circuit) 20 ΚΩ 100 ΚΩ 002 (short-circuit)

Part A: Non-Inverting Operational Amplifiers There are two basic types of op amp configurations, the non-inverting (Figure 7) and inverting (shown later) configurations. +15V Probe R₂ -15V R3 FGEN Ground R₁ O-scope Probe GND Figure 7: Non-inverting op amp configuration For a gain of 1, the resistors can be omitted and the output is directly connected to the inverting input (Figure 8). This is known as the follower configuration. R₁ FGEN 100k GND www +15V Probe DMM + -15V RL 100k Vout Probe GND Figure 8: Follower Configuration (Unity Gain) ⚫ NOTE: The input impedance of this amplifier is very high, so you should keep in mind that a path has to be provided for the input current since very little will flow into the non-inverting input. If not, the device may not operate properly. Here, this is addressed with RI and it is typically at least 100K or larger depending on the input resistance of the op amp. Determine the gain for the following non-inverting amplifier resistor combinations of R1 and R2 below. R1 10 ΚΩ R2 10 ΚΩ Gain 10 ΚΩ 20 ΚΩ 10 ΚΩ 100 ΚΩ 20 ΚΩ 20 ΚΩ 002 (open-circuit) 20 ΚΩ 100 ΚΩ 002 (short-circuit)

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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