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Coulomb`s Law
Coulomb`s Law

... Once the geometry of a capacitor is determined, the capacitance (C) is fixed (constant) and is independent of voltage V. If the voltage is increased, the charge will increase to keep q/V constant Application: sensor (touch screen, key board), flasher, defibrillator, rectifier, random access memory R ...
T4B [15]-[25]
T4B [15]-[25]

Series & Parallel Circuits PowerPoint
Series & Parallel Circuits PowerPoint

... having a series circuit before, or after the parallel component, as on or more leg of the parallel circuit or a combination of these. If a portion of the series component goes down nothing that follows that portion will work as the circuit has been broken, however if the parallel components still ha ...
DN276 - LTC1564: A Digitally Tuned Antialiasing / Reconstruction Filter Simplifies High Performance DSP Design
DN276 - LTC1564: A Digitally Tuned Antialiasing / Reconstruction Filter Simplifies High Performance DSP Design

... wideband signals at the input of an analog-to-digital converter. In addition, as the converter’s sampling rate changes, an antialiasing filter’s passband should increase or decrease accordingly. A frequency-tunable analog filter for a high resolution converter requires a large number of expensive pr ...
UMZ-104-A16-G
UMZ-104-A16-G

... [1] Frequency drift: 2MHz typical, 4MHz maximum (either extreme) ...
PHYS 210 Electronic Circuits and Feedback These notes give a
PHYS 210 Electronic Circuits and Feedback These notes give a

The reason the north pole of one magnet repels the north pole of
The reason the north pole of one magnet repels the north pole of

... 18. The light bulb didn’t light up because it wasn’t a complete circuit. 19. Copper is typically used in wiring because it is an excellent conductor. 20. The door knob shocked me because I had built up static electricity from dragging my feet through the carpet. 21. The circuit’s voltage changed whe ...
ELE3103 Applied Analogue Electronics
ELE3103 Applied Analogue Electronics

File - Mrmegaro.com
File - Mrmegaro.com

Exam-Prep Jepperdee
Exam-Prep Jepperdee

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GUJARAT UNIVERSITY Syllabus For First Year B. Sc.
GUJARAT UNIVERSITY Syllabus For First Year B. Sc.

... General amplifier characteristics: concept of amplification, amplifier notation, current, voltage and power gain, amplifier input resistance and output resistance, maximum power transfer, conversion efficiency, classes of amplifier, harmonic distortion , three point method of calculating distortion, ...
INTELLIGENT PLASMA EMISSION DETECTOR SYSTEM FOR GAS
INTELLIGENT PLASMA EMISSION DETECTOR SYSTEM FOR GAS

... to improve measurement as well as providing desired signal for any GC. Configurable with LDetek plasma configurator provided with each PlasmaDetek. Cost saving by having no electrometer needed to acquire the signal. Multiple stage of amplification integrated to achieve low to high concentration. ...
Em05: Series-Resonant LCR Circuit
Em05: Series-Resonant LCR Circuit

... In this experiment my aim was to plot resonance curves and determine the circuit magnification factor for various resistances. To do this I set up a series circuit containing a capacitor, an inductor and a resistor. These instruments were connected to a signal generator and the circuit was used to p ...
A 2.5Gb/s  O.38mm2 Optical  Receiver with  Integrated ... O.18f.lm  CMOS  SOl
A 2.5Gb/s O.38mm2 Optical Receiver with Integrated ... O.18f.lm CMOS SOl

FALL 2015 - Ecs.csus.edu
FALL 2015 - Ecs.csus.edu

... There are a number of ways in which a signal may be distorted. In FM broadcasting and pulse code modulation, a signal may be distorted deliberately according to some plan before it is transmitted. At the receiver, since one knows the form of the predistortion, one may compensate for it rather precis ...
SEMI CONDUCTOR AND COMMUNICATION
SEMI CONDUCTOR AND COMMUNICATION

... 18. (a) Why is a Photo Diode is operated in reverse bias mode? (b) For what purpose a photodiode is used? (c) Draw its I – V characteristics for different intensities of illumination. 19. A transistor has a current amplification factor of 50. In a Common Emitter amplifier circuit, the collector resi ...
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Oscillators, Speakers and Sound

... Discuss what you think happens to the ability to hear as one gets older, including whether it primarily affects higher frequencies, lower frequencies or both equally? ...
10.Notes-2015-ResistanceOhmsLaw
10.Notes-2015-ResistanceOhmsLaw

FM Receiver For 137 - 141MHz
FM Receiver For 137 - 141MHz

... has been significantly simplified by using an MC 3362P (IC1) integrated circuit made by Motorola [5], which comprises all main elements of modern FM receiver. All that is required to connect to the MC3362P is an input band-pass filter, a resonant circuit for the first mixer oscillator, 2 ceramic fil ...
Circuit Theory
Circuit Theory

Capacitor Self-Resonance
Capacitor Self-Resonance



... 7) Measure vo / vs at 1kHz with vs =1V. Compare vs and vo using dual trace to see that they are in phase. 8) Saturation limits. Increase vs until the peaks of vo are cut off by the amplitude limits. Report the observed saturation limits. The maximum output voltage should be approximately 1 volt smal ...
Download the Quiz
Download the Quiz

... G4A04 (B) p.231 What reading on the plate current meter of a vacuum tube RF power amplifier indicates correct adjustment of the plate tuning control? A. A pronounced peak B. A pronounced dip C. No change will be observed D. A slow, rhythmic oscillation G4A05 (C) p.231 What is a reason to use Automat ...
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5 Experiment - Characteristics of Bipolar Junction Transistors
5 Experiment - Characteristics of Bipolar Junction Transistors

< 1 ... 467 468 469 470 471 472 473 474 475 ... 524 >

Regenerative circuit



The regenerative circuit (or regen) allows an electronic signal to be amplified many times by the same active device. It consists of an amplifying vacuum tube or transistor with its output connected to its input through a feedback loop, providing positive feedback. This circuit was widely used in radio receivers, called regenerative receivers, between 1915 and World War II. The regenerative receiver was invented in 1912 and patented in 1914 by American electrical engineer Edwin Armstrong when he was an undergraduate at Columbia University. Due partly to its tendency to radiate interference, by the 1930s the regenerative receiver was superseded by other receiver designs, the TRF and superheterodyne receivers and became obsolete, but regeneration (now called positive feedback) is widely used in other areas of electronics, such as in oscillators and active filters. A receiver circuit that used regeneration in a more complicated way to achieve even higher amplification, the superregenerative receiver, was invented by Armstrong in 1922. It was never widely used in general receivers, but due to its small parts count is used in a few specialized low data rate applications, such as garage door openers, wireless networking devices, walkie-talkies and toys.
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