• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Design of a Clap Activated Switch
Design of a Clap Activated Switch

... the end of the time period, the output will remain high until the trigger is greater than Vs/3. The situation occurred since the input was from a microphone (sensor) The circuit was placed on a hard table surface, and the surface was struck twice within the design set “Time Period”. It was observed ...
ECE 311 - aresgate.net
ECE 311 - aresgate.net

... 2. To evaluate the various voltage gains as they apply to differential and commonmode signals. 3. To determine the common-mode rejection ratio by signal measurement in a differential amplifier. 4. To measure the effectiveness of employing current source drive to improve common-mode rejection ratio. ...
Millimeter-wave and Terahertz Devices Q. Hu
Millimeter-wave and Terahertz Devices Q. Hu

... the original quantum-cascade lasers will not be directly applicable for the longer-wavelength THz range because of two major obstacles. First, the energy levels corresponding to THz frequencies (1 THz = 4 meV) are quite narrow, so the requirements for the design and fabrication of suitable quantum w ...
SKiiP3 F-option (2014-09-30 - Rev-01) Technical
SKiiP3 F-option (2014-09-30 - Rev-01) Technical

... Please provide static discharge protection during handling. As long as the board is not completely assembled, the input terminals have to be short-circuited. Persons working with devices have to wear a grounded bracelet. Any synthetic floor coverings must not be statically chargeable. Even during tr ...
Tech Sheet - Thought Technology Ltd.
Tech Sheet - Thought Technology Ltd.

... PolarTM transmitter belt T31, T31c or WearLink®+ is not provided by Thought Technology and must be purchased separately. It can be easily purchased at your local major department stores, sports specialty stores, or other stores. Coded or non-coded? PolarTM has 2 variations of transmitter belts: code ...
ORTEC Single-channel Pulse-height Analyzers (SCA)
ORTEC Single-channel Pulse-height Analyzers (SCA)

... Timing SCAs, such as the ORTEC Models 551, 552, and 590A, produce SCA output logic signals that are precisely related in time to the occurrence of the event being measured. This time relationship implies that the time of occurrence of the SCA output signal is "walk-free" or nominally independent of ...
Capture range control mechanism for voltage controlled oscillators
Capture range control mechanism for voltage controlled oscillators

... said voltage controlled oscillator; adjusting said gain adjustment circuit to set the gain of said voltage controlled oscillator to provide the desired operating range. 18. Amethod as claimed in claim 17, Wherein said gain is adjusted by means of an adjustable impedance, and Wherein the minimum impe ...
Analog Devices Welcomes Hittite Microwave Corporation
Analog Devices Welcomes Hittite Microwave Corporation

... [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4350 ...
Triple-Push Operation for Combined Oscillation/Divison
Triple-Push Operation for Combined Oscillation/Divison

... analyzed using nonlinear injection-locking theory. It is worth noting that a similar analysis has been pursued by York in his studies on quasi-optical oscillator arrays for beam forming [33]. In this paper, we focus on triple push oscillators rather than higher order push oscillators such as quadrat ...
Data Sheet
Data Sheet

... The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information th ...
LOW DRIVE 3.3 VOLT VCXO MK3727H Description Features Block
LOW DRIVE 3.3 VOLT VCXO MK3727H Description Features Block

... "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology (IDT) assumes no responsibility for either its use or for the infringement of any patents or ot ...
Velodyne
Velodyne

Chapter 1 Problems
Chapter 1 Problems

... a. noise ratio of the DUT no matter what its impedance is. b. noise figure in db of the DUT no matter what its impedance is. c. noise ratio of the DUT only if its impedance is 50 ohms. d. noise figure in decibels of the DUT only if its impedance is 50 ohms. ...
DC/AC Pure Sine Wave Inverter
DC/AC Pure Sine Wave Inverter

JV2416961699
JV2416961699

... The ring oscillators, however, do not have the complication of the on-chip inductors required for the LC oscillators. Thus the chip area is reduced. In addition to a wide tuning range; ring oscillators with even number of delay cells can produce quadraturephase outputs [4]. The phase noise performan ...
B2RE - Ampeg
B2RE - Ampeg

Design and implementation of a fiber optic RS232 link. 1987
Design and implementation of a fiber optic RS232 link. 1987

9370 Series Digital Oscilloscopes
9370 Series Digital Oscilloscopes

LabVIEW Project - UCONN School of Engineering
LabVIEW Project - UCONN School of Engineering

LIS244AL - STMicroelectronics
LIS244AL - STMicroelectronics

... within the defined specification. Output impedance describes the resistor inside the output stage of each channel. This resistor is part of a filter consisting of an external capacitor of at least 2.5nF and the internal resistor. Due to the resistor level, only small inexpensive external capacitors ...
Low Power Phase Locked Loop Design with Minimum Jitter
Low Power Phase Locked Loop Design with Minimum Jitter

... signal is well within the operating range of the PLL. PLL is used as on chip clock generator, frequency synthesizer and as clock and data recovery system in computer, radio and telecommunication system. A PLL with wide tuning range and low jitter is desired. As the technology scale down, PLL operati ...
LT5568 - 700MHz - 1050MHz High Linearity Direct Quadrature Modulator.
LT5568 - 700MHz - 1050MHz High Linearity Direct Quadrature Modulator.

... The LT®5568 is a direct I/Q modulator designed for high performance wireless applications, including wireless infrastructure. It allows direct modulation of an RF signal using differential baseband I and Q signals. It supports PHS, GSM, EDGE, TD-SCDMA, CDMA, CDMA2000, WCDMA, and other systems. It ma ...
Copper Testing
Copper Testing

... The tests required for UTP cabling are defined in the ANSI/TIA 568C standard. ...
Hijacking Power and Bandwidth from the Mobile Phone’s Audio Interface {samkuo,thschmid,prabal
Hijacking Power and Bandwidth from the Mobile Phone’s Audio Interface {samkuo,thschmid,prabal

... Matching the load and source impedances is critical to achieving high-efficiency power transfer from a power supply to its load. In this case, the impedance offered by the microtransformer’s primary winding should be matched to the iPhone’s audio output port’s impedance of 3.6 Ω. The transformer’s d ...
FET Dream User`s Guide
FET Dream User`s Guide

... Thank you for purchasing the FET Dream. You may be wondering why the heck you’d need a user guide for a distortion pedal with four knobs, three jacks, a foot switch and an LED. Well, the answer is, you probably don’t. It’s pretty straightforward. But at risk of offending you and in hopes that this g ...
< 1 ... 218 219 220 221 222 223 224 225 226 ... 409 >

Heterodyne



Heterodyning is a radio signal processing technique invented in 1901 by Canadian inventor-engineer Reginald Fessenden, in which new frequencies are created by combining or mixing two frequencies. Heterodyning is used to shift one frequency range into another, new one, and is also involved in the processes of modulation and demodulation. The two frequencies are combined in a nonlinear signal-processing device such as a vacuum tube, transistor, or diode, usually called a mixer. In the most common application, two signals at frequencies f1 and f2 are mixed, creating two new signals, one at the sum f1 + f2 of the two frequencies, and the other at the difference f1 − f2. These new frequencies are called heterodynes. Typically only one of the new frequencies is desired, and the other signal is filtered out of the output of the mixer. Heterodynes are related to the phenomenon of ""beats"" in acoustics.A major application of the heterodyne process is in the superheterodyne radio receiver circuit, which is used in virtually all modern radio receivers.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report