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OpAmp Oscillator Circuits

Worksheets - Amplifiers

Don’t just sit there! Build something!! Learning to mathematically…

Class B Audio Amplifier

Textbook

PARTS AND MATERIALS Four 6 volt batteries Dual operational amplifier,…

Calculus for Electric Circuits

Worksheets - Amplifiers

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…

BJT Amplifier Troubleshooting

Worksheets - Amplifiers

As an instructor of electronics, I am called upon frequently to help…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

Introduction to Analog Integrated Circuits

Textbook

Analog circuits are circuits dealing with signals free to vary from…

The Common-collector Amplifier

Textbook

Our next transistor configuration to study is a bit simpler for gain…

Basic Operational Amplifiers

Worksheets - Amplifiers

Determine the output voltage polarity of this op-amp (with reference…

Performance-Based Assessments for Semiconductor Circuit Competencies

Worksheets - Amplifiers

Common-Emitter Amplifier

Textbook

PARTS AND MATERIALS One NPN transistor—model 2N2222 or 2N3403…

Transistor Biasing Calculations

Textbook

Although transistor switching circuits operate without bias, it is…

Differential Amplifier

Textbook

PARTS AND MATERIALS Two 6-volt batteries Two NPN…

Current Mirror BJTs

Textbook

Bipolar Junction Transistor or BJT Current Mirror An often-used…

Class B BJT Amplifiers

Worksheets - Amplifiers

Don’t just sit there! Build something!! Learning to mathematically…

Comparator with Hysteresis (Schmitt Trigger) Calculator

Tools

This calculator will compute the required resistor ratio (R2/R1) and reference voltage (VREF) to create the desired high (VTH) and low (VTL) threshold voltages in a non-inverting comparator circuit with hysteresis (commonly called a Schmitt trigger).

Design Project: Audio Media-Based Signal Generator

Worksheets - Amplifiers

Identify some different ways you can create the sine-wave audio tracks…

Specific Troubleshooting Techniques

Textbook

After applying some of the general troubleshooting tips to narrow the…

Positive Feedback

Textbook

As we’ve seen, negative feedback is an incredibly useful…

Multi-Stage Transistor Amplifiers

Worksheets - Amplifiers

Don’t just sit there! Build something!! Learning to mathematically…

Active Filters

Worksheets - Amplifiers

Don’t just sit there! Build something!! Learning to mathematically…

Tracking ADC

Textbook

A third variation on the counter-DAC-based converter theme is, in my…

Complex Circuits

Textbook

What do we do if we come across a circuit more complex than the simple…

Inverting Op-Amp Resistor Calculator

Tools

This calculator determines the bias and feedback of resistors for an inverting op-amp.

AC phase

Worksheets - Amplifiers

If we were to express the series-connected DC voltages as phasors…

Op-Amp Data

Textbook

Parametric data for all semiconductor op-amp models except the CA3130…

Measurements of AC Magnitude

Textbook

So far we know that AC voltage alternates in polarity and AC current…

Introduction to Discrete Semiconductor Circuits

Textbook

A semiconductor device is one made of silicon or any number of other…

The “Buffer” Gate

Textbook

If we were to connect two inverter gates together so that the output…

Junction Field-effect Transistors

Textbook

The field effect transistor was proposed by Julius Lilienfeld in US…

Winding Configurations

Textbook

Transformers with Multiple Secondaries Transformers are very versatile…

Pi-Match Impedance Matching Calculator

Tools

This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

The Tetrode

Textbook

As the name suggests, the tetrode tube contains four elements: cathode…

Class C BJT Amplifiers

Worksheets - Amplifiers

A common class of operation used in radio-frequency (RF) amplifier…

Full-wave Center-tap Rectifier

Textbook

PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) Two…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Voltage Divider Circuits

Worksheets - Amplifiers

Don’t just sit there! Build something!! Learning to mathematically…

Series and Parallel Inductors

Textbook

When inductors are connected in series, the total inductance is the…

Bridge Circuits

Textbook

No text on electrical metering could be called complete without a…

Why L/R and not LR?

Textbook

Learn About L/R Time Constants It is often perplexing to new students…

Thermocouples

Textbook

Seebeck Effect An interesting phenomenon applied in the field of…

DC Motor Theory

Worksheets - Amplifiers

If the ends of a wire loop are attached to two half-circular metal…

AC Motor Theory

Worksheets - Amplifiers

Electromechanical watt-hour meters use an aluminum disk that is spun…

Ring Counters

Textbook

If the output of a shift register is fed back to the input. a ring…

Depletion-type IGFETs

Textbook

Insulated gate field-effect transistors are unipolar devices just like…

Parallel Resistance Calculator

Tools

Calculate the total resistance of resistors in parallel with ease!

Table (landscape view)

Textbook

Periodic table of chemical elements.

Special Diodes

Worksheets - Amplifiers

Don’t just sit there! Build something!! Learning to mathematically…

Maximum Power Transfer Theorem

Textbook

The Maximum Power Transfer Theorem is not so much a means of analysis…

Practical Considerations - Batteries

Textbook

When connecting batteries together to form larger “banks”…

Capacitors

Worksheets - Amplifiers

Identify some of the different types of capacitors, and their…

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

Arithmetic with Scientific Notation

Textbook

The benefits of scientific notation do not end with ease of writing…

Differential Equations

Textbook

As opposed to normal equations where the solution is a number, a…

Contact “Bounce”

Textbook

When a switch is actuated and contacts touch one another under the…

Memory Devices

Worksheets - Amplifiers

Don’t just sit there! Build something!! Learning to analyze digital…

Class A BJT Amplifiers

Worksheets - Amplifiers

Don’t just sit there! Build something!! Learning to mathematically…

Microstrip Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of a microstrip.

Signal Modulation

Worksheets - Amplifiers

A modern method of electrical power control involves inserting a…

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…