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fosc+fin

3042 HF ANTENNA TUNER - AV-iQ
3042 HF ANTENNA TUNER - AV-iQ

... With a 125 W RF power handling capability, the 3042 can be used for voice and data operation over the full 2 to 30 MHz frequency band. The tuner has an unlimited tune from memory capacity, and using a state-of-the-art tuning algorithm, new frequencies are tuned in typically less than one second. The ...
Active Pixel Sensor Circuit
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... (at the expense of increased peaking), while peaking can be reduced by increasing the magnitude of the feedback resistor. ...
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... Because of the frequency limitations of a single-loop ring oscillator, other architectural techniques are necessary to explore the maximum frequency levels of ring oscillators. Some of these techniques include the use of subfeedback loops [2], output-interpolation methods [3], multiple-feedback loop ...
Recitation Week 6
Recitation Week 6

... R (a) After a long time in position 2, the capacitor will have become fully charged, no more current will flow through the circuit, and the voltage across the capacitor will balance that across the battery. Q = CV = CE = 5.90 µF · 28.0 V = 165 µC (b) Here we use the charging capacitor formula (Eqn. ...
What is a Phase Locked Loop
What is a Phase Locked Loop

Fly-back Power Converter Circuit I
Fly-back Power Converter Circuit I

... © Prof. Dr. François E. Cellier ...
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Low Voltage Power Panel

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... HI & LO INPUT - For powerful clean tones, try the LO input and turn up VOLUME to “5 to 8” with the BUMP off. Great chime with single coil pickups. VOLUME - Main input volume. With MASTER VOLUME disengaged, this control sets the amps overall volume and gain, non-master style. TREBLE & BASS - The tone ...
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... the square wave voltage is high (≈ Vcc), the triangle wave “ramps down” until it reaches a trigger voltage that causes the square wave to toggle low (≈ 0V). The triangle wave then “ramps up” until the square wave toggles high and the cycle repeats. To see why this works, we will look at each op-amp ...
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Video Transcript - Rose

... The magnitude is 19.5 and the phase angle is 22.6°. The open circuit voltage is the Thévenin equivalent voltage. Now we need to find the impedance ZTH. The circuit has only independent power supplies. We can turn off the power supplies then find the equivalent impedance ZTH. To turn off the current ...
Press Release
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... diodes. Vox engineers named the series “Tone Garage” for its boutique-inspired, hot-rodded and modded designs that deliver classic and unique tones not found elsewhere. The pedals’ discrete circuitry incorporates individual transistors, resistors, capacitors, and coils. Specially-created for three o ...
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EE3305 Design Project final draft
EE3305 Design Project final draft

Capacitor Self
Capacitor Self

... will use an LM 386 as an isolator/driver between the LM 566C and the LED. The LM 386 is a high frequency audio amplifier with a variable gain of 20-200 and a gain-bandwidth product of 10 MHz. The problem is that the LM 386 has a minimum gain of 20 and therefore, we must attenuate the input signal by ...
Week 12: Output Stages, Frequency Response
Week 12: Output Stages, Frequency Response

... Remove dead zone by biasing transistors into conduction but at a low quiescent current level – Distortion less than Class-B but worse than Class-A amplifier ...
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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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