It has been found that any repeating, non-sinusoidal waveform can be…
In the common-emitter section of this chapter, we saw a SPICE analysis…
Don’t just sit there! Build something!! Learning to mathematically…
Identify which direction each potentiometer wiper must move in this…
PARTS AND MATERIALS High-quality “closed-cup” audio…
A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.
PARTS AND MATERIALS IBM-compatible personal computer with sound card,…
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
Radio waves are comprised of oscillating electric and magnetic fields,…
It is sometimes desirable to have circuits capable of selectively…
An ideal transistor would show 0% distortion in amplifying a signal.…
At the beginning of this chapter, it illustrates how transistors could…
This calculator will determine the square root, cube root, or nth root of a given number, x.
PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…
The Q factor of a series inductive circuit is given by the following…
PARTS AND MATERIALS Two 6-volt batteries One NPN…
PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
Real operational amplifiers have some imperfections compared to an…
Don’t just sit there! Build something!! Learning to mathematically…
SPICE analysis of Electrical Isolation Aside from the ability to…
A similar effect happens in series inductive/capacitive circuits. When…
Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.
Quantum physics describes the states of electrons in an atom according…
Add the following binary numbers:
In the chapter on mixed-frequency signals, we explored the concept of…
Thevenin’s Theorem states that it is possible to simplify any…
PARTS AND MATERIALS 6-volt battery Magnetic compass Small permanent…
In order to build the circuits described in this volume, you will need…
What, exactly, is necessary to establish electrical continuity between…
If the ends of a wire loop are attached to two half-circular metal…
The circuit in the previous section is not a very practical one. In…
PARTS AND MATERIALS Audio detector with headphones …
PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…
Connecting digital circuitry to sensor devices is simple if the sensor…
Parts and Materials Multimeter, digital or analog Assorted resistors…
The Maximum Power Transfer Theorem is not so much a means of analysis…
The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.
PARTS AND MATERIALS Three batteries, each one with a different voltage…
Starting with circle A in a rectangular A’ universe in figure…
