Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS Four 6 volt batteries Dual operational amplifier,…
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
As an instructor of electronics, I am called upon frequently to help…
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
Analog circuits are circuits dealing with signals free to vary from…
Our next transistor configuration to study is a bit simpler for gain…
Determine the output voltage polarity of this op-amp (with reference…
PARTS AND MATERIALS One NPN transistor—model 2N2222 or 2N3403…
Although transistor switching circuits operate without bias, it is…
PARTS AND MATERIALS Two 6-volt batteries Two NPN…
Bipolar Junction Transistor or BJT Current Mirror An often-used…
Don’t just sit there! Build something!! Learning to mathematically…
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).
Identify some different ways you can create the sine-wave audio tracks…
After applying some of the general troubleshooting tips to narrow the…
As we’ve seen, negative feedback is an incredibly useful…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
A third variation on the counter-DAC-based converter theme is, in my…
What do we do if we come across a circuit more complex than the simple…
This calculator determines the bias and feedback of resistors for an inverting op-amp.
If we were to express the series-connected DC voltages as phasors…
Parametric data for all semiconductor op-amp models except the CA3130…
So far we know that AC voltage alternates in polarity and AC current…
A semiconductor device is one made of silicon or any number of other…
If we were to connect two inverter gates together so that the output…
The field effect transistor was proposed by Julius Lilienfeld in US…
Transformers with Multiple Secondaries Transformers are very versatile…
This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit
PARTS AND MATERIALS Two 6-volt batteries One NPN…
As the name suggests, the tetrode tube contains four elements: cathode…
A common class of operation used in radio-frequency (RF) amplifier…
PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) Two…
Ladder diagrams are specialized schematics commonly used to document…
Don’t just sit there! Build something!! Learning to mathematically…
When inductors are connected in series, the total inductance is the…
No text on electrical metering could be called complete without a…
Learn About L/R Time Constants It is often perplexing to new students…
Seebeck Effect An interesting phenomenon applied in the field of…
If the ends of a wire loop are attached to two half-circular metal…
Electromechanical watt-hour meters use an aluminum disk that is spun…
If the output of a shift register is fed back to the input. a ring…
Insulated gate field-effect transistors are unipolar devices just like…
Calculate the total resistance of resistors in parallel with ease!
Periodic table of chemical elements.
Don’t just sit there! Build something!! Learning to mathematically…
The Maximum Power Transfer Theorem is not so much a means of analysis…
When connecting batteries together to form larger “banks”…
Identify some of the different types of capacitors, and their…
So far, the filter designs we’ve concentrated on have employed…
The benefits of scientific notation do not end with ease of writing…
As opposed to normal equations where the solution is a number, a…
When a switch is actuated and contacts touch one another under the…
Don’t just sit there! Build something!! Learning to analyze digital…
Don’t just sit there! Build something!! Learning to mathematically…
This calculator helps you compute the characteristic impedance of a microstrip.
A modern method of electrical power control involves inserting a…
Logic circuits, whether comprised of electromechanical relays or…
