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Lecture 11
Lecture 11

... resistance of the amplifier should be much lower than the series resistance of the inductor to not to reduce the quality factor of the resonant circuit. A CC amplifier has the lowest output resistance, about 26  at IE=1 mA. However, compared to a lower than 1  series resistance of the inductor, it ...
Low saturation voltage type 3-pin regulator
Low saturation voltage type 3-pin regulator

Basic Logic Gates
Basic Logic Gates

... Note: Keep this circuit if you do not have a logic probe. 1a. Enter the above circuit into Multisim and simulate circuit. Print out the circuit and attach to lab report. ...
Lab #2
Lab #2

2008. Lecture 11 (361-1
2008. Lecture 11 (361-1

... resistance of the amplifier should be much lower than the series resistance of the inductor to not to reduce the quality factor of the resonant circuit. A CC amplifier has the lowest output resistance, about 26  at IE=1 mA. However, compared to a lower than 1  series resistance of the inductor, it ...
Click of this link to get an overview of class equipment
Click of this link to get an overview of class equipment

Unit 4 Network Theorems II 1. Thevenin`s theorem
Unit 4 Network Theorems II 1. Thevenin`s theorem

review for test 1 wi..
review for test 1 wi..

Design Application Note - AN-079 SGA-8543Z  Amplifier Application Circuits
Design Application Note - AN-079 SGA-8543Z Amplifier Application Circuits

... dropping resistor in the collector bias line and a voltage divider from collector-to-base. Using this scheme the amplifier can be biased from a single supply voltage. The collector-dropping resistor is sized to drop >20% VCE depending on the desired VCE . The voltage divider from collector-to-base, ...
Lecture 4 slides - Digilent Learn site
Lecture 4 slides - Digilent Learn site

Lecture 4 Slides - Digilent Learn site
Lecture 4 Slides - Digilent Learn site

... • Ideal and non-ideal current sources are the “same” if RLoad << RS iLoad ...
Current - PHS Regents Physics
Current - PHS Regents Physics

... . The conversion from one unit to the other is found on pg 1 of PhysRT: 6.25 x 1018 1 C = _______________________ e 1.60 x 10-19 or 1 e = ________________________ C Ex. ...
Amateur Radio Technician Class Element 2 Course Presentation
Amateur Radio Technician Class Element 2 Course Presentation

lecture 3:common-emitter amplifier
lecture 3:common-emitter amplifier

PDF user guide - Lightwavestore.com
PDF user guide - Lightwavestore.com

... gain actually drops below the gain 2.7 cutoff point, around –13 dBm. This means that with a 100 kΩ series resistor, optical input powers higher than –13 dBm would actually cause the receiver to fail. This plot also shows that with a 10 kΩ series resistor, there is a beneficial gain compression at th ...
Loop and Nodal Analysis and Op Amps
Loop and Nodal Analysis and Op Amps

gain and output impedance of JFET stages
gain and output impedance of JFET stages

... When considering input signals of small amplitudes, the JFET device can be modelled as a linear voltage-controlled source. Both voltage-controlled voltage source (VCVS) and voltage-controlled current source (VCCS) are suitable models for the JFET device, because the controlled source can be transfor ...
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work-sheet-am-1

Building and Testing
Building and Testing

Chapter 35 Electric Circuits
Chapter 35 Electric Circuits

08c_Picture_This
08c_Picture_This

DifferentialLines
DifferentialLines

... In single-ended signaling, the transmitter generates a single voltage that the receiver compares with a fixed reference voltage, both relative to a common ground connection shared by both ends. The widely used RS-232 system is an example of single-ended signaling, which uses ±12 V to represent a sig ...
Chaos Lab
Chaos Lab

Lab #9 - facstaff.bucknell.edu
Lab #9 - facstaff.bucknell.edu

... frequencies. If the frequency is high enough so that C acts essentially as a short, then the transistor will draw no small-signal collector current whatsoever. Capacitance C affects the operation of the transistor at high frequencies as well. If its reactance is low, then current will be drawn awa ...
Camera Lab 4 - 1 - Gateway Engineering Education Coalition
Camera Lab 4 - 1 - Gateway Engineering Education Coalition

... Basics Concepts Needed for Lab #4 Calculating voltage and current in circuits Symbols for power source, resistors, capacitors, etc… Parallel and series combinations of circuit elements ...
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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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