Dive into a comprehensive video tutorial on operational amplifiers (op-amps), exploring their functionality, key parameters, and practical applications. Learn about ideal op-amps, inverting and non-inverting configurations, buffers, and current references. Examine crucial characteristics such as input offset voltage, input bias current, bandwidth, slew rate, noise, voltage swing, common mode range, and stability through simulations and measurements. Conclude with a practical example of a pH electrometer solution and pH measurement techniques. Gain valuable insights from industry experts and enhance your understanding of op-amp principles and applications in electronic circuit design.