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searching for Intermediate frequency 67 found (273 total)

alternate case: intermediate frequency

Regency TR-1 (1,408 words) [view diff] exact match in snippet view article find links to article

transformers for the intermediate frequency amplifiers and a miniature audio transformer for the loudspeaker. The intermediate frequency transformers are
KINA (385 words) [view diff] exact match in snippet view article find links to article
was exactly on the second harmonic of radios with a 455 kHz IF (intermediate frequency). This resulted in an annoying tone or whistle in the background
Alternating electric field therapy (2,467 words) [view diff] exact match in snippet view article find links to article
is a type of electromagnetic field therapy using low-intensity, intermediate frequency electrical fields to treat cancer. TTFields disrupt cell division
Q multiplier (303 words) [view diff] exact match in snippet view article find links to article
receivers of the 1950s. With the advent of crystal and ceramic intermediate frequency filters, the Q-multiplier was no longer popular. Q meter Joseph
Block upconverter (251 words) [view diff] exact match in snippet view article find links to article
to Ku band, C band and Ka band. Older BUCs convert from a 70 MHz intermediate frequency (IF) to Ku band or C band. Most BUCs use phase-locked loop local
Jamming avoidance response (1,895 words) [view diff] exact match in snippet view article find links to article
and the electroreceptive organs perceive a single wave with an intermediate frequency. In addition, the combined stimulus-EOD wave has a beat pattern
Cochlear nerve (719 words) [view diff] exact match in snippet view article find links to article
dorsal portions of the dorsal cochlear nucleus. The axons from the intermediate frequency region project to intermediate targets, such that tonotopy is preserved
Soft selective sweep (1,583 words) [view diff] exact match in snippet view article find links to article
single beneficial mutation may carry multiple haplotypes to an intermediate frequency, while itself becomes fixed. 2) Another model happening when multiple
S band (1,496 words) [view diff] exact match in snippet view article find links to article
the service in January 2018. The band is also used as a transmit intermediate frequency in satellite communications as a replacement for L band where a
Harmonic mixer (853 words) [view diff] exact match in snippet view article find links to article
signal to an intermediate frequency that is one-half the received RF signal frequency. The second switching stage mixes the intermediate frequency to baseband
Tire model (804 words) [view diff] case mismatch in snippet view article find links to article
Model) RMOD-K (Comfort and Durability Tire) SWIFT (Short Wavelength Intermediate Frequency Tire) (Besselink, Pacejka, Schmeitz, & Jansen, 2005) Fully physics-based
Daniel R. von Recklinghausen (417 words) [view diff] exact match in snippet view article find links to article
might work, as HH Scott transitioned to the use of IC's in its intermediate frequency stages, in mid 1965. It was the work with Noyce and Fairchild that
Phase noise (1,457 words) [view diff] exact match in snippet view article find links to article
restricting the receiver frequency range by filters in the IF (intermediate frequency) amplifier. Allan variance Flicker noise Leeson's equation Maximum
Submillimeter Wave Astronomy Satellite (1,502 words) [view diff] exact match in snippet view article find links to article
Outputs of the two SWAS receivers are combined to form a final intermediate frequency, which extends from 1.4 to 2.8 GHz and is dispersed into 1400 1-MHz
Transverter (697 words) [view diff] exact match in snippet view article find links to article
referred to as an IF radio, indicating that it connects into the "intermediate frequency" electronics in the chain of transceiver stages. Common transceiver/transverter
Undersampling (1,229 words) [view diff] no match in snippet view article find links to article
sampling rates. Important signals of this sort include a radio's intermediate-frequency (IF), radio-frequency (RF) signal, and the individual channels of
OPS-18 (586 words) [view diff] exact match in snippet view article find links to article
In addition, the major version upgrade version of OPS-17 has two intermediate frequency bandwidths and two video bandwidths. Umitaka-class submarine chaser
Explorer 49 (1,768 words) [view diff] exact match in snippet view article find links to article
of the burst receiver prevented strong signals at the 21.4-MHz intermediate frequency from entering the IF strip. Each receiver had a crystal-controlled
Bioelectromagnetics (2,212 words) [view diff] exact match in snippet view article find links to article
apoptosis, and tumor growth. Electromagnetic radiation in the intermediate frequency range has found a place in modern medical practice for the treatment
Wireless Set No. 62 (252 words) [view diff] exact match in snippet view article find links to article
4.00 MHz, better than 3 μV; 4.0 - 10.00 MHz, better than 6 μV. Intermediate frequency: 460 KHz Receiver Audio output: 200 mW at 1 KHz Transmitter RF output:
Contrast (vision) (2,742 words) [view diff] no match in snippet view article
which contrast is reduced. Recent studies have demonstrated that intermediate-frequency sinusoidal patterns are optimally-detected by the retina due to
Type 81 (missile) (919 words) [view diff] exact match in snippet view article
although there is a degree of protection provided by the use of intermediate frequency seeker scanning pattern. Each launcher is equipped with an optical
AN/PRC-10 (266 words) [view diff] exact match in snippet view article find links to article
Receiver sensitivity: 0.7 μV Receiver selectivity: 80 kHz @ −6 dB Intermediate frequency: 4.3 MHz Transmitter RF output: 0.9 watts Circuitry: 16 vacuum tubes
Effective population size (2,713 words) [view diff] exact match in snippet view article find links to article
idealised Wright-Fisher model, the fate of an allele, beginning at an intermediate frequency, is largely determined by selection if the selection coefficient
Radiofrequency MASINT (1,873 words) [view diff] exact match in snippet view article find links to article
superheterodyne receiver. This technique can be countered by shielding the intermediate frequency circuitry of superheterodyne receivers, or moving into software-defined
Electromagnetic hypersensitivity (3,269 words) [view diff] exact match in snippet view article find links to article
against such an association." However, "data on the health effects of intermediate frequency fields used, for example, in metal detectors or anti-theft devices
Modulation (3,007 words) [view diff] exact match in snippet view article find links to article
RF signal to the equivalent baseband I and Q signals, or to an intermediate frequency (IF) signal, by multiplying the RF signal with a local oscillator
Transistor radio (2,870 words) [view diff] no match in snippet view article find links to article
combination mixer-oscillator, one as an audio amplifier, and two as intermediate-frequency amplifiers." One year after the release of the TR-1 sales approached
A-7 (transceiver) (556 words) [view diff] exact match in snippet view article
Transmitter output power: 1W. Sensitivity of the receiver: 1-1.5 μV. Intermediate frequency: 1100 kHz. Antennas: a whip with a height of 2.5 m or a flexible
Microwave radiometer (2,296 words) [view diff] exact match in snippet view article find links to article
radiofrequency signal is received at the antenna it is downconverted to the intermediate frequency with the help of a stable local oscillator signal. After amplification
Radioteletype (4,680 words) [view diff] exact match in snippet view article find links to article
can be divided into two classes of terminal units: audio-type and intermediate frequency converters. The audio-type converters proved to be more popular
Packet radio (2,897 words) [view diff] exact match in snippet view article find links to article
speeds. The interface between the "modem" and the "radio" is at the intermediate frequency part of the radio as opposed to the audio section used for 1,200 bit/s
UNIVAC I (2,914 words) [view diff] exact match in snippet view article find links to article
transmitting quartz piezo-electric crystals mounted at opposite ends. An intermediate frequency chassis, connected to the receiving crystal, containing amplifiers
Double-tuned amplifier (1,215 words) [view diff] no match in snippet view article find links to article
A double-tuned transformer from a radio receiver intermediate-frequency amplifier with its screening can removed
Tuned radio frequency receiver (1,580 words) [view diff] exact match in snippet view article find links to article
receiver translates the incoming high radio frequency to a lower intermediate frequency which does not change. The problem of achieving constant sensitivity
Autodyne (1,165 words) [view diff] exact match in snippet view article find links to article
accepts as input the antenna signal, and provides an output to the intermediate frequency amplifier. In this application, the transistor is made to self-oscillate
Radar engineering details (1,394 words) [view diff] exact match in snippet view article find links to article
The beam is formed in the digital (digital beamforming (DBF)), intermediate frequency (IF), optical, or radio frequency (RF) domain. Construction: An
Olimpik (486 words) [view diff] exact match in snippet view article find links to article
Another design, modified circuit. A piezofilter is used in the intermediate frequency path. In Audio power amplifier two diodes are used instead of resistors
VERITAS (3,479 words) [view diff] exact match in snippet view article find links to article
of VERITAS include: 2008: discovery of the first blazar of the intermediate frequency peaked BL Lacertae (IBL) type at very high energies, W Comae followed
Resonant inductive coupling (4,061 words) [view diff] no match in snippet view article find links to article
selectivity of the receiver is provided by tuned transformers in the intermediate-frequency amplifiers.[why?] High voltage (one million volt) sources for X-ray
Edwin Howard Armstrong (7,682 words) [view diff] exact match in snippet view article find links to article
circuit is called the mixer. The result is a fixed, unchanging intermediate frequency, or I.F. signal which is easily amplified and detected by following
GPS signals (10,553 words) [view diff] exact match in snippet view article find links to article
The signal at antenna is amplified, down converted to baseband or intermediate frequency, filtered (to remove frequencies outside the intended frequency
Radio over fiber (1,420 words) [view diff] exact match in snippet view article find links to article
at the base stations. b) In IF-over-fiber architecture, an IF (intermediate frequency) radio signal with a lower frequency is used for modulating light
Allen Telescope Array (4,360 words) [view diff] exact match in snippet view article find links to article
separate frequency tunings (IFs) are available to produce 4 x 672 MHz intermediate frequency bands. Two IFs support correlators for imaging; two will support
Reflex receiver (1,283 words) [view diff] exact match in snippet view article find links to article
the 1930s and continued into the 1950s, until at least 1959; the intermediate frequency amplifier stage was also the first audio frequency stage using a
R-350M (410 words) [view diff] exact match in snippet view article find links to article
radio transceiver Receiver section: Superheterodyne design with an intermediate frequency of 750kHz, consisting of five miniature valves type 1Ж29Б Transmitter
Antarctic Submillimeter Telescope and Remote Observatory (1,194 words) [view diff] no match in snippet view article find links to article
an array of four 800-820 GHz. AST/RO was able to process seven intermediate-frequency bandpasses using acousto-optical spectrometers. These included two
Rocket engine (11,689 words) [view diff] exact match in snippet view article find links to article
devices on feed lines.: 259  Chugging may cause Screeching.: 146  An intermediate frequency oscillation in chamber pressure between 200 and 1000 Hertz. Usually
R-311 (radio) (655 words) [view diff] exact match in snippet view article
(III) 3.30 - 5.58 MHz (IV) 5.58 - 9.20 MHz (V) 9.20 - 15.0 MHz Intermediate frequency: 465 kHz Sensitivity for a signal to noise ratio of 3:1 and voltage
Optical heterodyne detection (3,590 words) [view diff] exact match in snippet view article find links to article
narrow the frequency drift far below the difference frequency (intermediate frequency). This technique has been demonstrated in multi-pulse coherent Doppler
Electronic color code (2,764 words) [view diff] no match in snippet view article find links to article
relative polarity or phase was more important for these transformers. Intermediate-frequency tuned transformers were coded blue and red for the primary and green
Soviet integrated circuit designation (4,637 words) [view diff] no match in snippet view article find links to article
amplifier (e.g. log amplifier, limiter, gyrator) 174УП2 TL441CN УР UR — Intermediate-frequency amplifier К174УР1 TBA120 УС US Sine wave amplifier — Differential
AN/FPQ-16 PARCS (3,396 words) [view diff] exact match in snippet view article find links to article
of antenna beam shape a Radar Return Generator for simulation of intermediate frequency (IF) signals into the signal processor's IF input. In addition to
Wien bridge oscillator (4,624 words) [view diff] exact match in snippet view article find links to article
low frequency to almost 90° lagging at high frequency. At some intermediate frequency, the phase shift will be zero. At that frequency the ratio of Z1
Haplogroup L-M20 (7,649 words) [view diff] exact match in snippet view article find links to article
L3-M357 subclade account for 86% of L-M20 chromosomes and reaches an intermediate frequency of 6.8%, overall. L1-M76 occurs at a frequency of 7.5% in India
Type 965 radar (1,781 words) [view diff] exact match in snippet view article find links to article
non-MTI working) Aerial rotation speed 10 revolutions per minute Intermediate frequency 13.5 MHz Aerial beam width 12° (horizontal), 40° (vertical) Receiver
List of IEC standards (17,123 words) [view diff] exact match in snippet view article find links to article
IEC 62226 Exposure to electric or magnetic fields in the low and intermediate frequency range – Methods for calculating the current density and internal
TMEM171 (1,630 words) [view diff] no match in snippet view article find links to article
selection, which include a significant excess of polymorphisms and intermediate-frequency alleles. TMEM171 has no paralogs or paralogous domains. TMEM171
Virtual Valve Amplifier (1,241 words) [view diff] exact match in snippet view article find links to article
heterodyne incoming RF signals with the local oscillator to create an intermediate frequency in TV and FM sets. Thus, it is intentionally designed to be extremely
Bat detector (3,700 words) [view diff] exact match in snippet view article find links to article
The difference frequency is then amplified and filtered in an 'intermediate frequency' or i.f. amplifier before being converted back to audible frequencies
Glossary of electrical and electronics engineering (19,286 words) [view diff] exact match in snippet view article find links to article
receiver A radio receiver that changes incoming frequencies to a fixed intermediate frequency for processing. superposition theorem The useful property of a system
Timeline of United States inventions (1890–1945) (25,151 words) [view diff] exact match in snippet view article
mixing or heterodyning to convert a received signal to a fixed intermediate frequency, which can be more conveniently processed than the original radio
History of radar (22,275 words) [view diff] no match in snippet view article find links to article
receiver was then rebuilt, becoming a super-regenerative set with two intermediate-frequency stages. With this improved receiver, the system readily tracked
Antenna tuner (20,454 words) [view diff] exact match in snippet view article find links to article
corresponding jump in the optimal (and infimal) settings at some intermediate frequency where both antenna sections are active. (Of course, this kind of
Broadcast Protection Discussion Group (1,735 words) [view diff] exact match in snippet view article find links to article
rights coalition IEC international electrotechnical commission IF intermediate frequency ISO International Organization for Standardization IP intellectual
CfA 1.2 m Millimeter-Wave Telescope (3,768 words) [view diff] exact match in snippet view article find links to article
mixed with a local oscillator (LO) signal to produce a 1.4 GHz intermediate frequency (IF) signal that is further amplified with a low-noise high electron
RF chain (6,651 words) [view diff] exact match in snippet view article find links to article
receivers, image frequency signals are less troublesome if the IF (intermediate frequency) is set very high.: 10  Local oscillator leakage can be minimized