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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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DIODE sa DIODE TESTING sa LASER DIODE sa LIGHT EMITTING DIODE sa RECTIFIER xx ELECTRONIC COMPONENT xx RECTIFIER xx SEMICONDUCTOR Learning to use transistors. Part 5. Semiconductor diodes. Learning to use transistors. Part 6. Diodes in action. Tip for bending the wire leads on glass diodes without breaking the diode. Technique for selecting the zener components in a simple voltage stabilizer. Tip on using higher-rated diodes in audio applications. Tip on filtering all zeners (including 3-terminal regulators) to reduce RFI. Using transistors as diodes. Simple circuits which use transistors for regulator and VVC (voltage variable capacitor) applications and cost less than VVC or Zener diodes. Diodes, their theory and their use in a 12-volt to 9-volt shunt-type regulator to drive a transistor radio from a car battery. Varactor diode applications. Special section on solid-state diodes. All types discussed. Using transistors as negative-resistance devices. How to simulate four-layer diodes, SCRs and UJTs. Special section on solid-state diodes. Using low-cost epoxy silicon transistors for good performance as low-voltage zener diodes. Small, low-power Zener plus transistor can stimulate large, expensive high-power Zeners. Circuit uses transistor base-emitter junctions in place of Zener diodes for voltage regulation. Simple circuit is a variable voltage replacement for a specific Zener diode voltage which you may not have on hand. Voltage may be varied over a 2-volt range. Three-terminal device provides a variable Zener voltage. Zener diode voltage-regulator nomograms simplify selection of components. Basic operation and specifications of Zener diodes along with simple design technique for using them as shunt regulators. Using zener diodes as voltage regulators. Explanation of how varactor diode tuning is replacing conventional variable capacitor tuning. An electronic project builds basic insight into op-amp and diode circuits. A variety of circuits in which an operational amplifier and diode are used together so that the amplifier can extract ideal performance from the diode. Basic course in electricity and electronics. The use of diodes and rectifiers. Basic course in electricity and electronics. Understanding diodes. Chart for identifying the leads and types of diodes. Explanation of "breakover" (barrier voltage) as it applies to diodes. Zener diodes. How they work, how diodes are formed, important Zener-diode specifications, and Zener applications. Electronic fundamentals. Diodes and transistors. Characteristics of a diode are simulated by a circuit using two JFET transistors. Diode switching circuits to switch audio from one point to another. How to get started in electronics. Part 1: Inside semiconductors. Looks at the diode, transistor, SCRs, LEDs, light detectors, etc. Cartridge diode mount from phone jack. Learning to stack silicon diodes to get all the power supply voltage you need. Getting know the zener diode. Several typical application circuits shown. The whys and wherefores of voltage-variable capacitance (varicap) diodes. Build a Zener diode substitution box that simulates a Zener diode from 1.2 to 18 volts with power dissipation to 6 watts. Put a Zener diode to work and design your own voltage regulators. Basic formulas and circuit for Zener control. The Zener diode, theory and applications. How a Zener diode works and how to put it to work for you. A tailor-made Zener diode. design your own variable-voltage Zener. Tips and circuits which can use surplus diodes. Using diodes in power supplies. Design considerations when building power supplies. Circuit quiz on the function of diodes. Circuit shows the common way of connecting a zener voltage regulator. A look at some rare semiconductor devices. The constant-current diode, the photo-Darlington, and the LM387 preamplifier. Inside basic electronics. The semiconductor diode, basic operating principles and a few diode applications. The four-layer diode. What it is and some typical circuits. Switching RF, IF, and audio frequencies using PIN diodes. Includes several circuits. Zener-diode simulator circuit has an adjustable voltage of 1.5 to 6.5 and is more stable than a Zener over a wide range of temperatures. Simple diode circuits. (1) Bridge rectifier. (2) Sound-level (audio signal) limiter circuit never exceeds 1.5-volts peak-to-peak. (3) DC polarity or AC indicator circuit. (4) Kick-back voltage limiter for inductive loads. (5) Steering circuit controls relays based on voltage polarity. (6) Simple temperature sensor. (7) Circuit for selecting matching diodes. More diode circuits. (1) Clamping circuits for either the positive or negative portion of an AC signal. (2) Protective circuits prevent reverse-voltage damage. (3) Meter guard circuit limits maximum voltage that can reach a meter. (4) Noise generator and amplified noise generator circuit uses a Zener diode. (5) Circuit to monitor the symmetry of an AC waveform. (6) RF switching circuit, antenna switcher, and transceiver switch for connecting radio equipment to an antenna. Semiconductor diode guidebook. A simple guide to understanding diode characteristics and their use in circuit design. Circuit that can replace high-power Zener diodes. Point-contact diodes. What they are and typical applications. Construction and applications of the Schottky diode. Characteristics and applications of Zener or voltage reference diodes. Operation of the special semiconductor diode called a varactor (variable reactance), varicap (variable capacitance), or tuning diode. Operation and application of PIN (positive-intrinsic-negative) diodes. Introduction to operation and applications of the Gunn diode. Fast recovery diodes. What they are and how they work. A look at zener diodes. What they are and how they work. How to design analog circuits. Part 2. Junction diodes (rectifiers and zeners). How to design analog circuits. Part 3. Special purpose diodes, including varactor and tunnel diodes. Introduction to the concept of electronic tuning of a resonant circuit to a desired frequency using a varactor (varactor diode, silicon capacitor, voltage-controlled capacitor, voltage-variable capacitor). Theory of the Zener diode and how to design your own Zener diode-controlled power supply. | |||||||||
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