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searching for Local oscillator 89 found (167 total)

Optical heterodyne detection (3,644 words) [view diff] exact match in snippet view article find links to article

light signal is compared with standard or reference light from a "local oscillator" (LO) that would have a fixed offset in frequency and phase from the

WMUZ (AM) (1,666 words) [view diff] no match in snippet view article

com/Local_Oscillator/August%202017%20Local%20Oscillator.pdf Oscillator Pages 1 & 2 https://crawfordbroadcasting.com/Local_Oscillator

Carrier recovery (1,269 words) [view diff] exact match in snippet view article find links to article

differences between a received signal's carrier wave and the receiver's local oscillator for the purpose of coherent demodulation. In the transmitter of a communications

Phase synchronization (255 words) [view diff] exact match in snippet view article find links to article

begin to flash in unison, they synchronize in phase. One way to keep a local oscillator "phase synchronized" with a remote transmitter uses a phase-locked

Frequency mixer (1,757 words) [view diff] exact match in snippet view article find links to article

inputs applied to a balanced (differential) circuit so that either the local oscillator (LO) or signal input (RF) is suppressed at the output, but not both

Intermodulation (2,517 words) [view diff] exact match in snippet view article find links to article

while the intermodulation products of the received signal with the local oscillator signal are intended, superheterodyne mixers can, at the same time,

Retrodirectivity (157 words) [view diff] exact match in snippet view article find links to article

as heterodyning). Phase conjugation is obtained by mixing with LO (local oscillator) frequencies twice that of the incoming signal.[citation needed] Using

Frequency changer (632 words) [view diff] exact match in snippet view article find links to article

of a local oscillator and frequency mixer (analog multiplier) that generates sum and difference frequencies from the input and local oscillator, of which

FCCH (117 words) [view diff] exact match in snippet view article find links to article

the GMSK modulator output. This tone enables the Mobile to lock its local oscillator to the BS clock as required in GSM specification 05.01 section 6. The

Single Channel Simulcast (197 words) [view diff] exact match in snippet view article find links to article

decrease DRM range, and the phase changes in the carrier can induce local oscillator interference in the AM receiver, which will show as white noise. "Simulcast

Radar detector (2,109 words) [view diff] exact match in snippet view article find links to article

the local oscillator frequency of the detector could be altered to be out of the range of the VG-2 Interceptor (probably by using two local oscillator stages

Clock recovery (1,063 words) [view diff] exact match in snippet view article find links to article

1⁄30 of a second, enough to allow the receiver to accurately set its local oscillator. The basic concept is also used in a wider variety of fields, including

Blocking oscillator (2,436 words) [view diff] exact match in snippet view article find links to article

non-sinusoidal output is not suitable for use as a radio-frequency local oscillator, but it can serve as a timing generator, to power lights, LEDs, EL

Three radio theremin (188 words) [view diff] exact match in snippet view article find links to article

that local oscillators of set 1 and 2 well received by set 3 radio Local oscillator of set 1 and 2 may produce beat sound in set 3 Manipulate hand over

Theremin (5,600 words) [view diff] exact match in snippet view article find links to article

that its local oscillator of around 1600 kHz is to be received by radio set #1. Radio set #3 is also tuned at 1145 kHz so that its local oscillator may produce

Optical parametric amplifier (1,268 words) [view diff] exact match in snippet view article find links to article

studied). In these applications, typically a strong pump signal (or "local oscillator") at frequency f passes through a circuit element whose parameters

Electronic mixer (1,257 words) [view diff] exact match in snippet view article find links to article

{sig} }\cos(\omega _{\mathrm {sig} }t+\varphi )\,} and that of the local oscillator can be represented as E L O cos ⁡ ( ω L O t ) . {\displaystyle E_{\mathrm

Semion Braude (817 words) [view diff] exact match in snippet view article find links to article

superheterodyne receiver, using a low-power, tunable magnetron for use as the local oscillator. He also completed the Candidate of Sciences in 1937. The radio-location

Yebes Observatory RT40m (2,485 words) [view diff] case mismatch in snippet view article find links to article

conditioning and filtering the astronomical signal is mixed with a Local Oscillator signal at 1.53 GHz to give a 170 MHz Intermediate Frequency (IF) bandwidth

Distributed-feedback laser (1,390 words) [view diff] exact match in snippet view article find links to article

continuously and is followed by a phase modulator. On the receiving end, a local oscillator DFB interferes with the received signal and decodes the modulation

X band (1,114 words) [view diff] exact match in snippet view article find links to article

cable with a power adapter connecting to an ordinary cable modem. The local oscillator is usually 9750 MHz, the same as for Ku band satellite TV LNB. Two

GPS disciplined oscillator (1,057 words) [view diff] exact match in snippet view article find links to article

to compensate for not only the phase and frequency changes of the local oscillator, but also for the "learned" effects of aging, temperature, and other

Pilot signal (501 words) [view diff] exact match in snippet view article find links to article

color subcarriers present and allow synchronizing the phase of the local oscillator in the demodulation circuitry. However, SECAM features continuous subcarriers

ALSE (1,202 words) [view diff] case mismatch in snippet view article find links to article

signal was generated by a swept oscillator synchronized with a STAble Local Oscillator (STALO) in order to preserve the phase coherency for the SAR processing

Yaesu FT-One (764 words) [view diff] exact match in snippet view article find links to article

ensure continuous output power on all frequencies. To guarantee a clean local oscillator signal to the Shottky diode mixer module, 6 separate voltage controlled

Autodyne (1,165 words) [view diff] exact match in snippet view article find links to article

A single transistor combines the functions of amplifier, mixer and local oscillator of an otherwise conventional superheterodyne receiver. Such a stage

Robert Woodrow Wilson (778 words) [view diff] exact match in snippet view article find links to article

been hydrogen-line interferometry, but when the first plans for a local oscillator system didn't work out, I used the galactic survey as the basis for

Harmonic mixer (861 words) [view diff] exact match in snippet view article find links to article

desired then an anti-parallel pair of diodes will suppress the odd local oscillator contribution, to the level that the diodes can be made identical and

Pioneer SX-1980 (937 words) [view diff] exact match in snippet view article find links to article

filters ... for high selectivity (80 dB) and low distortion ... The local oscillator includes Pioneer's very own quartz sampling locked APC (Automatic Phase

Helical resonator (475 words) [view diff] exact match in snippet view article find links to article

filter for the local oscillator injection of a VHF receiver. The view is from the bottom (shorted end) of the resonators. The local oscillator and RF amplifier

Gee (navigation) (7,602 words) [view diff] exact match in snippet view article

system. The triggering of the A pulses was timed at 150 kHz by a stable local oscillator at the master station, but the timing was sometimes deliberately changed

Backward-wave oscillator (2,572 words) [view diff] exact match in snippet view article find links to article

been demonstrated, leading to successful operation as a heterodyne local oscillator. The frequency–voltage sensitivity, is given by the relation Δ {\displaystyle

Gee-H (navigation) (2,681 words) [view diff] exact match in snippet view article

had a system that allowed it to adjust for this. The receiver had a local oscillator that provided a time base generator that could be adjusted. When the

Control grid (878 words) [view diff] exact match in snippet view article find links to article

such grids, one for a received signal and one for the signal from a local oscillator. The valve's inherent non-linearity causes not only both original signals

Saorsat (1,352 words) [view diff] exact match in snippet view article find links to article

than the real 20.185 may be entered when using the Inverto LNB with local oscillator of 21.2. To receive Freesat/Sky or other services alongside Saorsat

Demodulation (1,077 words) [view diff] exact match in snippet view article find links to article

product detector multiplies the incoming signal by the signal of a local oscillator with the same frequency and phase as the carrier of the incoming signal

Dick effect (6,985 words) [view diff] exact match in snippet view article find links to article

clocks. It is an aliasing effect: High frequency noise in a required local oscillator (LO) is aliased (heterodyned) to near zero frequency by a periodic

Wadley loop (954 words) [view diff] exact match in snippet view article find links to article

Yaesu's FRG-7 communications receiver, which uses the system to remove local oscillator drift. The Racal RA17 and Realistic DX-302 also used the Wadley Loop

AN/FPS-16 Instrumentation Radar (3,945 words) [view diff] exact match in snippet view article find links to article

radar interrogation of the spacecraft beacon. The addition of a beacon local oscillator wave meter permitted the determination of spacecraft-transmitter frequency

KNSN (AM) (587 words) [view diff] no match in snippet view article

KNSN San Diego". May 22, 2014. http://www.crawfordbroadcasting.com/Local_Oscillator/June%202014%20Local%20Oscillator.pdf [bare URL PDF] FCC History Cards

Carrier frequency offset (2,599 words) [view diff] exact match in snippet view article find links to article

offset nonlinearity. Carrier frequency offset often occurs when the local oscillator signal for down-conversion in the receiver does not synchronize with

Explorer 49 (1,780 words) [view diff] exact match in snippet view article find links to article

intermodulation problems than BR-2 by 6 to 10 dB. Because of a failure in the local oscillator circuitry in BR-1, channels 4 (55-kHz) and 12 (210-kHz) did not provide

Comparison of synchronous and asynchronous signalling (582 words) [view diff] exact match in snippet view article find links to article

asynchronous start-stop signalling, uses a near-constant 'bit' timing (+/- 5% local oscillator required at both ends of the connection). Using this method, the receiver

Beat frequency oscillator (1,216 words) [view diff] exact match in snippet view article find links to article

the IF signal in the mixer stage of the receiver. Any drift of the local oscillator or the beat-frequency oscillator will affect the pitch of the received

Honeywell Aerospace, Cambridge (901 words) [view diff] exact match in snippet view article find links to article

(Satellite) Odin-OSIRIS Instrument Herschel Space Observatory HIFI Local oscillator Source Unit Jason-1 CALTRAC Startrackers Genesis (spacecraft) CALTRAC

Differential coding (865 words) [view diff] exact match in snippet view article find links to article

receiver. Similarly for BPSK. To demodulate BPSK, one needs to make a local oscillator synchronous with the remote one. This is accomplished by a carrier

Pentagrid converter (2,505 words) [view diff] exact match in snippet view article find links to article

design was developed that not only mixed the incoming signal with the local oscillator, but the same valve doubled as the oscillator. This was known as the

Holdover in synchronization applications (2,243 words) [view diff] exact match in snippet view article find links to article

holdover capability then is provided either by a free running local oscillator, or a local oscillator that is steered with software that retains knowledge of

Yaesu FT-77 (S) (512 words) [view diff] exact match in snippet view article

performance in the presence of strong signals. The lownoise premix local oscillator optimizes its receiving performance. A 5 pole IF filter allows a variable

Photon statistics (2,217 words) [view diff] exact match in snippet view article find links to article

light is a homodyne intensity correlation scheme. In this scheme a local oscillator and signal field are superimposed via a beam splitter. The superimposed

Bat detector (3,700 words) [view diff] exact match in snippet view article find links to article

frequency discrimination and avoids problems with interference from the local oscillator. In more recent DSP-based detectors, the heterodyne conversion can

Pulse-Doppler signal processing (2,233 words) [view diff] exact match in snippet view article find links to article

slice of a perfect coherent tone. The coherent tone is produced by the local oscillator. There can be dozens of transmit pulses between the antenna and the

Herschel Space Observatory (3,746 words) [view diff] exact match in snippet view article find links to article

obtaining and analysing the data. NASA developed and built the mixers, local oscillator chains and power amplifiers for this instrument. The NASA Herschel

Radioteletype (4,670 words) [view diff] exact match in snippet view article find links to article

is converted to the original tones by mixing the FSK signal with a local oscillator called the BFO or beat frequency oscillator. These tones are fed to

Canadian Space Agency (3,514 words) [view diff] case mismatch in snippet view article find links to article

component on Mars; confirmed snow on Mars Herschel Europe ESA 2009 HIFI Local Oscillator Source Unit COM DEV Planck Europe ESA 2009 ESA collaboration PI: J

Modulation (3,050 words) [view diff] exact match in snippet view article find links to article

intermediate frequency (IF) signal, by multiplying the RF signal with a local oscillator sine wave and cosine wave frequency (see the superheterodyne receiver

Microwave radiometer (2,396 words) [view diff] exact match in snippet view article find links to article

downconverted to the intermediate frequency with the help of a stable local oscillator signal. After amplification with a Low Noise Amplifier and band pass

Time-domain reflectometer (3,589 words) [view diff] exact match in snippet view article find links to article

used in optical systems, in which the returned signal is mixed with a local oscillator and then filtered to reduce noise. These traces were produced by a

BC-342 (522 words) [view diff] exact match in snippet view article find links to article

MRC-1 10 vacuum tubes included: RF amplifiers - 6K7 (2) Mixer - 6L7 Local oscillator - 6C5 IF amplifiers - 6K7 (2) CW oscillator (BFO) - 6C5 Detector/1st

Digital holography (1,528 words) [view diff] exact match in snippet view article find links to article

small-amplitude vibrations by time-averaged heterodyne holography with a dual local oscillator". Optics Letters. 38 (5): 739–41. arXiv:1211.5328. Bibcode:2013OptL

Imaging radar (2,189 words) [view diff] exact match in snippet view article find links to article

for spatial imaging. The returned laser energy must be mixed with a local oscillator in a heterodyne system to allow extraction of the Doppler shift. Synthetic-aperture

Bias tee (1,760 words) [view diff] exact match in snippet view article find links to article

a bandpass filter, a low noise amplifier, and a mixer coupled to a local oscillator. At one point a small slice is cut out of the center conductor, therefore

Peter Wright (MI5 officer) (2,815 words) [view diff] exact match in snippet view article

receivers used by Soviet illegals through detecting emanations from the local oscillator, in 1958 (a technique now more commonly used to enforce payment of

Holographic interferometry (1,567 words) [view diff] exact match in snippet view article find links to article

small-amplitude vibrations by time-averaged heterodyne holography with a dual local oscillator". Optics Letters. 38 (5): 739–41. arXiv:1211.5328. Bibcode:2013OptL

Phase-locked loop range (1,423 words) [view diff] exact match in snippet view article find links to article

_{\text{VCO}}(t)} phase difference between input (reference) signal and local oscillator (VCO, NCO) signal. θ Δ ( 0 ) {\displaystyle \theta _{\Delta }(0)} initial

Fiber-optic communication (7,522 words) [view diff] exact match in snippet view article find links to article

be applied before the data is passed on. Coherent receivers use a local oscillator laser in combination with a pair of hybrid couplers and four photodetectors

NTSC (10,392 words) [view diff] exact match in snippet view article find links to article

unmodulated (pure original) color subcarrier. The TV receiver has a local oscillator, which is synchronized with these color bursts to create a reference

Yaesu FT-817 (1,763 words) [view diff] exact match in snippet view article find links to article

and demodulation and provides received audio. In order to suppress local oscillator leakage and provide a slight amount of image rejection, a varactor

Costas loop (2,382 words) [view diff] exact match in snippet view article find links to article

1016/j.ifacol.2017.08.514. ISSN 2405-8963. Costas 1956 states, "The local oscillator must be maintained at proper phase so that the audio output contributions

RF chain (7,016 words) [view diff] exact match in snippet view article find links to article

in wide-band systems. For an input signal at frequency Fsig and a local oscillator frequency Flo, the output frequencies of a mixer are given by Mixer

Squeezed states of light (6,155 words) [view diff] exact match in snippet view article find links to article

beams. One for the (squeezed) signal field, and another for the BHDs local oscillator (LO) having the same wavelength as the signal field. The LO is part

CANaerospace (2,528 words) [view diff] exact match in snippet view article find links to article

on the network are required to meter their message transmissions. Local oscillator tolerances and lack of time synchronization between the nodes will

Um interface (5,115 words) [view diff] exact match in snippet view article find links to article

and FCCH. All clocks in the handset, including the symbol clock and local oscillator, are slaved to signals received from the BTS, as described in GSM 05

SCR-270 (4,132 words) [view diff] exact match in snippet view article find links to article

electron-multiplier amplifier tube as the second RF amplifier stage. The local oscillator included a front panel tuning adjustment. The receiver sensitivity

Power dividers and directional couplers (6,932 words) [view diff] exact match in snippet view article find links to article

{I} }}^{2}=1\ } Microstrip directional coupler on the output of a local oscillator on a spectrum analyser PCB. Microstrip sawtooth directional coupler

Parametric oscillator (4,596 words) [view diff] exact match in snippet view article find links to article

output as amplifier gain. The input weak signal is mixed with a strong local oscillator signal, and the resultant strong output is used in the ensuing receiver

Virtual Valve Amplifier (1,241 words) [view diff] exact match in snippet view article find links to article

oscillator/mixer stage and used to heterodyne incoming RF signals with the local oscillator to create an intermediate frequency in TV and FM sets. Thus, it is

Radar in World War II (22,065 words) [view diff] exact match in snippet view article find links to article

10 cm in size with a reasonably sized antenna. In addition a tuneable local oscillator and a mixer for the receiver were essential. These were targeted developments

Unified S-band (3,383 words) [view diff] exact match in snippet view article find links to article

frequency by 240/221 to produce the downlink carrier frequency. A local oscillator produced the downlink carrier if the uplink was not available. This

Transient Array Radio Telescope (1,091 words) [view diff] exact match in snippet view article find links to article

elements required of a radio-telescope receiver; low-noise amplifier, local oscillator, mixer, filters and an ADC. Each RF front end generates a data-stream

CB radio in the United Kingdom (3,835 words) [view diff] exact match in snippet view article find links to article

synthesiser chips capable of producing the transmission frequencies and the local oscillator signals for use in receive mode. This manufacturer, not surprisingly

Tung-Sol (10,649 words) [view diff] exact match in snippet view article find links to article

independent sections-a triode and a pentode and was intended as a local oscillator mixer for TV and FM receivers. The pentode section of the tube may

List of vacuum tubes (40,563 words) [view diff] exact match in snippet view article find links to article

Most common uses were as superheterodyne mixer ("first detector") and local oscillator, or as a combination I.F. amplifier (pentode) and (second) detector

Colorplexer (1,574 words) [view diff] exact match in snippet view article find links to article

receiver with a reference with which it can correct its own 3.579545 MHz local oscillator as to frequency and phase, phase being the most significant aspect

Two-dimensional electronic spectroscopy (2,401 words) [view diff] exact match in snippet view article find links to article

nonlinear response of the system interferes with another pulse called local oscillator (LO) which allows measurement of both amplitude and phase. Such a signal

Hyperbolic navigation (5,303 words) [view diff] exact match in snippet view article find links to article

other chains which were nearby in frequency. They would then tune a local oscillator that triggered the oscilloscope's trace so that it matched the clock

AN/FPQ-6 (1,906 words) [view diff] case mismatch in snippet view article find links to article

modification. This added a synthesized transmit signal frequency and Local Oscillator frequency exciter, a TWT and Crossed Field Amplifier transmitter, an

CfA 1.2 m Millimeter-Wave Telescope (3,760 words) [view diff] exact match in snippet view article find links to article

couples the microwave signal to the receiver, where it is mixed with a local oscillator (LO) signal to produce a 1.4 GHz intermediate frequency (IF) signal

AI Mark VIII radar (18,761 words) [view diff] exact match in snippet view article find links to article

crystal mixer, and the Type 50 receiver with its CV67 Sutton tube local oscillator that stepped down the frequency. This left the receiver, time base