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Last updated: 22 October 2026
Quick Answer
Characteristics Operational Amplifiers is a range of panel trainers for electronics practicals on the operational amplifier, several of them built around the IC 741 with a regulated DC power supply and panel meters. They cover op amp characteristics such as offset, slew rate and bandwidth, inverting, non-inverting, summing, instrumentation and log amplifiers, adders, integrators, clipping and clamping, comparators, Schmitt triggers, wave converters and V to I conversion. There are 14 trainers in this JLab category.
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Explore the Characteristics Operational Amplifiers Range
| Range | Items | What it covers |
|---|---|---|
| Op Amp Amplifier Circuits | 6 | Op amp characteristics such as offset, slew rate and bandwidth, inverting, non-inverting, buffer, summing and difference amplifiers, voltage and current feedback, an instrumentation amplifier with three IC 741, and log and antilog amplifiers. |
| Op Amp Signal Processing Circuits | 4 | Adder, subtractor, integrator and differentiator trainers with two 0-5 V DC regulated supplies, op amp clipping and clamping circuits, and voltage-to-current and current-to-voltage converters. |
| Comparators, Triggers and Wave Converters | 4 | A Schmitt trigger, a zero-crossing detector that turns a sine wave into a square wave, square-to-triangular and triangular-to-square converters, and a voltage comparator with an IC 741 and Zener diode. |
Characteristics Operational Amplifiers Specifications
Each table row names the circuit studied and the op amp, supply or meter details given on that trainer's page, in three groups.
Op Amp Amplifier Circuits (6)
| Product | Specification |
|---|---|
| Study Characteristics of Operational Amplifier | Characteristics studied: Input offset current, offset voltage, slew rate, bandwidth and null balancing; Op amp: IC 741, connected inside the instrument; Power supply: ±15 V DC regulated. |
| Operational Amplifier as Inverting and Non Inverting Amplifier | Experiments: Operational amplifier as an inverting amplifier and as a non-inverting amplifier; Circuit diagram: Printed; Dimensions: 10 x 7 x 3 inches. |
| Study of Operational Amplifier | Circuits studied: Unity-gain buffer stage; non-inverting amplifier; inverting amplifier; summing amplifier; difference amplifier. |
| Study of Operational Amplifier as Voltage and Current Feed Back Amplifier | Application studied: Operational amplifier as a voltage feedback and current feedback amplifier; Op amp: IC 741, connected inside; Meters: Two round meters, dual range. |
| Study of Instrumentation Amplifier | Experiment: Calculate the voltage gain of an instrumentation amplifier and draw a curve between V and R; Op amps: Three IC 741, placed inside; connections brought out at sockets; Fixed supply: One +15 V DC regulated power supply. |
| Study of Logarithmic Amplifier | Experiments: Log amplifier; antilog amplifier; ideality factor for the log amplifier; V1–V0 graph for the antilog amplifier; Op amp: IC 741; Controls: One potentiometer. |
Op Amp Signal Processing Circuits (4)
| Product | Specification |
|---|---|
| Study Operational Amplifier as Adder, Subtractor, Integrator and Differentiator | Circuits studied: Adder, subtractor, integrator and differentiator; DC regulated power supplies: Two DC regulated power supplies, 0–5 V DC; Meters: Two dual-range round meters, to measure input and output voltages. |
| Study of Operational Amplifier as Differentiator and Integrator | Circuits studied: Op amp differentiator and op amp integrator; Differentiator behaviour: Constant output voltage for a steadily changing input voltage; Integrator behaviour: Steadily changing output voltage for a constant input voltage. |
| Study of Operational Amplifier as Clipping and Clamping Circuit | Circuits studied: Op amp clipping circuit (limiter) and op amp clamping circuit; Clipping: Shapes the applied waveform by removing (clipping) a portion of it; Clamping: Places either the positive or the negative peak of a signal at a desired DC level. |
| Study of Operational Amplifier as V to I to I to V Convertor | Circuits studied: Op amp voltage-to-current converter and current-to-voltage converter; V to I converter: Makes a voltage source behave as a current source; I to V converter: Makes a current source behave as a voltage source. |
Comparators, Triggers and Wave Converters (4)
| Product | Specification |
|---|---|
| Study of Operational Amplifier as Schmitt Trigger | Circuit studied: Operational amplifier as a Schmitt trigger; Typical application: Interfacing an analogue signal to digital circuitry; Behaviour: Fires at a given voltage; output at one level or another, depending on the input. |
| Study of Operational Amplifier as Sine to Square Wave Converter | Circuit studied: Zero-crossing detector converting a sine wave to a square wave; Supply arrangement: Single-supply comparator operation; Reference input: Biased by a voltage divider. |
| Study of Operational Amplifier as Square to Triangular and Triangular to Square wave convertor | Conversions studied: Square to triangular wave; triangular to square wave; Power supply: DC regulated power supply; Panel: Circuit diagram printed; components mounted on the front panel. |
| Study of Operational Amplifier as Voltage Comparator | Circuit studied: Operational amplifier as a voltage comparator; Op amp: IC 741, connected inside; Components: Combination of resistances and a Zener diode, connected inside. |
Who Buys This Range
Electronics and instrumentation laboratories in engineering colleges and polytechnics that run linear IC practicals with the op amp characteristics, inverting and instrumentation amplifier, integrator, Schmitt trigger and voltage comparator trainers.
Frequently Asked Questions
Which op amp characteristics can be measured on the Study Characteristics of Operational Amplifier trainer?
Input offset current, offset voltage, slew rate, bandwidth and null balancing of an IC 741 connected inside the instrument, with a ±15 V DC regulated supply, two round meters, resistances and capacitors, and connections at 4 mm sockets.
What does the Study of Instrumentation Amplifier trainer use?
Three IC 741 op amps placed inside with connections at sockets, one +15 V DC regulated supply, two continuously variable DC regulated supplies with short-circuit and overload protection, a potentiometer and a combination of resistances. The experiment finds the voltage gain and plots V against R.
Request a Quote
For a quotation, name the trainers and the number of each, for example the Study of Logarithmic Amplifier or the Study of Operational Amplifier as Schmitt Trigger, on the contact page.
Operational Amplifier as Inverting and Non Inverting Amplifier
Product Code : EL-COA-1134
To study Operational Amplifier as Inverting & Non Inverting Amplifier.
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Study of Operational Amplifier
Product Code : EL-COA-1135
Trainer to study the operational amplifier as a unity-gain buffer, non-inverting, inverting, summing and difference amplifier, with three DC regulated power supplies.
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Study Characteristics of Operational Amplifier
Product Code : EL-COA-1136
To study the basic characteristics of OP-Amp as Input Offset Current, Offset Voltage, Slew Rate, Band Width and Null Balancing.
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Study Operational Amplifier as Adder, Subtractor, Integrator and Differentiator
Product Code : EL-COA-1138
Trainer to study the operational amplifier as an adder, subtractor, integrator and differentiator, with two 0-5 V DC regulated supplies, a +/-15 V DC supply and two dual-range meters.
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Study of Operational Amplifier as Differentiator and Integrator
Product Code : EL-COA-1139
A differentiator circuit produces a constant output voltage for a steadily changing input voltage.
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Study of Operational Amplifier as Schmitt Trigger
Product Code : EL-COA-1140
The Schmitt trigger is often used when interfacing an analogue signal to digital circuitry.
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Study of Operational Amplifier as Sine to Square Wave Converter
Product Code : EL-COA-1141
This circuit is intended for single-supply comparators. A sine wave can be converted to square wave by simply using a zero crossing detector.
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Study of Operational Amplifier as Square to Triangular and Triangular to Square wave convertor
Product Code : EL-COA-1142
Instrument comprises of DC Regulated power supply. Circuit diagram printed & components mounted on front panel
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Study of Operational Amplifier as Clipping and Clamping Circuit
Product Code : EL-COA-1143
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Study of Operational Amplifier as V to I to I to V Convertor
Product Code : EL-COA-1145
Trainer for the operational amplifier as a voltage-to-current converter and a current-to-voltage converter, turning a voltage source into a current source and the reverse.
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Study of Operational Amplifier as Voltage and Current Feed Back Amplifier
Product Code : EL-COA-1146
Trainer to study the operational amplifier as a voltage feedback and current feedback amplifier, with IC 741, a +15 V DC regulated supply and two dual-range meters.
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Study of Logarithmic Amplifier
Product Code : EL-COA-1148
Trainer to study the log and antilog amplifier and the diode ideality factor, with IC 741, diode, potentiometer, a +/-15 V DC supply and a variable protected DC supply.
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