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Name: John Henry Miles Date or Degree: May 29. 1960 Location
Name: John Henry Miles Date or Degree: May 29. 1960 Location

... The current variations in the plate circuit of T2 are transferred by induction into the secondary coil of Tr 1 , and thence into the voice coil of the speaker. R6 is connected to the second grid of T2 , and is for the purpose of maintaining tha.t grid at a strong positive potential. ...
SR103 Datasheet
SR103 Datasheet

... a light curtain (see SR102AM for application wiring for a light curtain) • Outputs—the SR103AM has 3 N/O outputs to route power to the coils of power contactors, plus 1 N/C auxiliary output for signaling purposes • External Device Monitoring (EDM) is provided with a N/C loop between S11/S12 and S2 ...
chapter 14
chapter 14

... This expression shows that the gain magnitude is reduced by 20n decibels for each decade increase in f. E14.22 ...
Resonance - India Study Channel
Resonance - India Study Channel

AD8328 - Analog Devices
AD8328 - Analog Devices

... The AD8328 is controlled through a serial peripheral interface (SPI) of three digital data lines: CLK, DATEN, and SDATA. Changing the gain requires eight bits of data to be streamed into the SDATA port. The sequence of loading the SDATA register begins on the falling edge of the DATEN pin, which act ...
firing circuit for three-phase fully controlled bridge dual
firing circuit for three-phase fully controlled bridge dual

Microwaves in Waveguides
Microwaves in Waveguides

... reveal microwave antennas used for telecommunication. You may even have a satellite antenna for TV reception. If you have been caught speeding in an automobile you may have been the "victim" of microwave technology. Microwaves are a part of the electromagnetic spectrum situated between radio frequen ...
SC.912.P.10.15 - Investigate and explain the relationships among
SC.912.P.10.15 - Investigate and explain the relationships among

1) Damped Sinusoids (25 points)
1) Damped Sinusoids (25 points)

... a) What does the voltage follower do in this circuit? (2 points) The voltage follower isolates the circuit we modeled from the load R6. This means that whatever voltage the circuit puts out between A and B will be transferred to R6 without being influenced by the value of R6. b) What is the voltage ...
CHAPTER 3:  SiGe MONOLITHIC TECHNOLOGIES
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... avalanche noise. Finally, inductors were modelled consisting of a series inductance and frequency dependent series resistance derived from the inductor Q-factor which was assumed constant over frequency within the band of interest. ...
IR2175(S) - Infineon
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... Temperature drift of the output carrier frequency can be cancelled by measuring both a PWM period and the on-time of PWM (Duty) at the same time. Since both periods vary in the same direction, computing the ratio between these values at each PWM period gives consistent measurement of the current fee ...
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Chapter 3: Filters and Transfer Functions

... like (f/fc) to the first power when f << fc. (Can you guess how a 2 order high pass filter’s transfer function would behave when f << fc?) All 1st order high pass filters have the same shape when plotted this way. The transition from the region of little attenuation, f >> fc, to the region of strong ...
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... QUICK ROD & PROMOD OWNERS MANUAL ...
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... Serial Data Input. This digital input allows an 8-bit serial (gain) word to be loaded into the internal register with the MSB (most significant bit) first. Clock Input. The clock port controls the serial attenuator data transfer rate to the 8-bit masterslave shift register. Logic 0-to-1 transition l ...
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... Focused Ion Beam (FIB) circuit edit enables us to cut traces or add metal connections on ICs. FIB circuit edit can be used to test and debug design edits prior to committing to mask changes and to get functional prototypes samples in customer and internal development groups hands. FIB circuit edit c ...
R-390 and R-390A Receivers + - Triac Substitutes for the 3TF7
R-390 and R-390A Receivers + - Triac Substitutes for the 3TF7

... If the conversion to diodes has been done in your R-390A, it deserves your attention. My most recent manual (1979) describes the solid state conversion without a dropping resistor. However, the diodes increase the B+ voltage by 25 to 30 VDC over that produced with the 26Z5W rectifier tubes. If a dro ...
Section B6: Rectification Using Semiconductor Diodes
Section B6: Rectification Using Semiconductor Diodes

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Two-wavelength double heterodyne interferometry using a matched

... observed by a photodetector (Det). The beat frequency is generated by squaring the signals with a Schottky diode and then fed to a phase detector. The reference signal for the phase detector is generated in an additional interference arrangement to compensate for phase fluctuations of the two highly ...
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Datasheet

... slew-rate limited drivers minimize EMI and reduce reflections caused by improperly terminated cables allowing error-free data transmission.The SP3494 is a half-duplex partially slew-rate limited transceiver that will deliver a data transmission rate up to 2.5Mbps. The SP3494 is equipped with a low-p ...
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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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