14.6 Proper care and feeding of pneumatic instruments
Perhaps the most important rule to obey when using pneumatic instruments is to maintain clean and...
Tag: OPAMP Circuits
14.5 Analysis of practical pneumatic instruments
To better understand the design and operation of self-balancing pneumatic mechanisms, it is helpful to examine the...
14.4 Comparison of Op-Amp Circuits With Analogous Pneumatic Mechanisms
Self-balancing pneumatic instrument mechanisms are very similar to negative-feedback operational amplifier circuits,...
14.3 Pilot valves and pneumatic amplifying relays
Self-balancing mechanisms consisting solely of a baffle/nozzle detector coupled to a feedback bellows, while...
14.2 Self-balancing pneumatic instrument principles
A great many precision instruments use the principle of balance to measure some quantity. Perhaps the...
14.1 Pneumatic sensing elements
Most pneumatic instruments use a simple but highly sensitive mechanism for converting mechanical motion into variable...
Chapter 14 Pneumatic instrumentation
While electricity is commonly used as a medium for transferring energy across long distances, it is also used in...
8.15 Op-Amp Data
Parametric data for all semiconductor op-amp models except the CA3130 comes from National Semiconductor’s online...
8.14 Operational Amplifier Models
While mention of operational amplifiers typically provokes visions of semiconductor devices built as integrated...
8.13 Op-Amp Practical Considerations
Real operational amplifiers have some imperfections compared to an “ideal” model. A real device deviates from a...
8.12 Positive Feedback
As we’ve seen, negative feedback is an incredibly useful principle when applied to operational amplifiers. It is what...
8.11 Differentiator and Integrator Circuits
By introducing electrical reactance into the feedback loops of an op-amp circuit, we can cause the output to respond to...
8.10 The Instrumentation Amplifier
What Is an Instrumentation Amplifier? An instrumentation amplifier allows an engineer to adjust the gain of an...
8.9 Building a Differential Amplifier
Differential Op-Amp Circuits An op-amp with no feedback is already a differential amplifier, amplifying the voltage...
8.8 Averager and Summer Circuits
If we take three equal resistors and connect one end of each to a common point, then apply three input voltages (one to...
