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Type of radio design
direct-conversion receiver (DCR), also known as a homodyne, synchrodyne, zero intermediate frequency receiver (zero-IF receiver), is a radio receiver
Direct-conversion_receiver
Topics referred to by the same term
Direct conversion may refer to: Direct energy conversion (DEC), a scheme for power extraction from nuclear fusion, Direct-conversion receiver (DCR), a
Direct_conversion
Type of radio receiver
carrier wavePages displaying short descriptions of redirect targets Direct conversion receiver – Type of radio designPages displaying short descriptions of redirect
Superheterodyne_receiver
Problem affecting a class of radio receivers
performance-limiting issue in the design of a class of radio receivers known as direct conversion receivers. These translate the received radio frequency (RF, or
IQ_imbalance
Radio communication system implemented in software
free. A typical amateur software radio uses a direct conversion receiver. Unlike direct conversion receivers of the more distant past, the mixer technologies
Software-defined_radio
Device for receiving radio transmissions
related to radio receivers. Batteryless radio Dielectric wireless receiver Digital Audio Broadcast (DAB) Direct conversion receiver Distortion List of
Radio_receiver
Electronic control system
alternative to Edwin Armstrong's superheterodyne receiver, the Homodyne or direct-conversion receiver. In the homodyne or synchrodyne system, a local oscillator
Phase-locked_loop
Signal processing technique
radio receiver circuit, which is used in virtually all modern radio receivers. In 1901, Reginald Fessenden demonstrated a direct-conversion receiver or beat
Heterodyne
Type of demodulator
superheterodyne receiver, and a detector designed for RF can be combined with an RF amplifier and a low-pass filter into a direct-conversion receiver. The simplest
Product_detector
Sensor implementation technique
it has the same frequency as the radiation to be detected. See direct conversion receiver. Lock-in amplifiers are homodyne detectors integrated into measurement
Homodyne_detection
Oscillator used to change Signal frequency in electronics
gain so LO emissions could not back out through the antenna. Direct conversion receiver Homodyne detection Heterodyne detection Optical heterodyne detection
Local_oscillator
Topics referred to by the same term
DC resistance of an inductor, see Equivalent series resistance Direct-conversion receiver Dynamic compression ratio, referring to the compression ratio
DCR
Mathematical technique for manipulating signals
data". Medium. Retrieved 2023-02-15. "Quad Demodulators Arm Direct-Conversion Receivers". www.mwrf.com. 26 January 1998. Retrieved 2023-02-17. "What's
In-phase and quadrature components
In-phase_and_quadrature_components
of amplification through the use of positive feedback. In the Direct conversion receiver, the signals from the antenna are only tuned by a single tuned
Radio_receiver_design
Broadcasting of television using artificial satellites
television receivers to use, what were in reality, modified UHF television tuners which selected the satellite television channel for down conversion to a lower
Satellite_television
Oscillator whose frequency can be tuned over some range
of the receiver can be finely tuned to the IF frequency. In a direct-conversion receiver, the VFO is tuned to the same frequency as the incoming radio
Variable-frequency_oscillator
with 82MSamples/s and hardware blocks implementing a digital direct-conversion receiver Russian: К1879ХБ1Я, also romanized as K1879XB1Ya manufactured
NeuroMatrix
Type of electronic circuit
electronic circuit or electromechanical device that converts a source of direct current (DC) from one voltage level to another DC. It is a type of electric
DC-to-DC_converter
Device for combining signals
local oscillator[clarification needed]. This is the basis for a Direct conversion receiver. Multiplicative mixers have been implemented in many ways. The
Electronic_mixer
Shortwave radio
shortwave radio receiver is a radio receiver that can receive one or more shortwave bands, between 1.6 and 30 MHz. A shortwave radio receiver often receives
Shortwave_radio_receiver
Type of SDR radio
PC, and the Mercury and Penelope receiver and exciter boards, which use high speed ADCs and DACs for direct conversion of received or transmitted signals
OpenHPSDR
fields in the 1960s through the 1990s. Direct-conversion receiver (also called "homodyne" or "zero-IF" receiver) Frequency mixer Heterodyne has comments
Autodyne
Solar tower
direct heating, where particles are exposed directly to the incoming solar radiation, thus avoiding issues related to non-uniform heating of receiver
Particle_receiver
Multiple converters working in parallel
challenges on modern receivers, whose performance relies on the analog-to-digital interface provided by ADCs. In 4G receivers, the data conversion is performed
Time-interleaved_ADC
Diagnostic plot of binary classifier ability
A receiver operating characteristic curve, or ROC curve, is a graphical plot that illustrates the performance of a binary classifier model (although it
Receiver operating characteristic
Receiver_operating_characteristic
Region of space between a transmitting and receiving antenna
This can then deflect off objects and then radiate to the receiver. However, the direct-path wave and the deflected-path wave may arrive out of phase
Fresnel_zone
backfield with the quarterback. Other eligible receivers are near the line of scrimmage. onside conversion A play, originating in the Alliance of American
Glossary of American football terms
Glossary_of_American_football_terms
Devices generating electricity from radioisotope decay
doi:10.1098/rspa.1913.0045. Miley, George H. (1 January 1970). "Direct conversion of nuclear radiation energy". UNT Digital Library. p. vii. Retrieved
Atomic_battery
American assault rifle
In 2018, the Upper Receiver Group-Improved (URG-I) modification kit (unofficially the Block III) was approved for the conversion of Block I and Block
M4_carbine
Canadian satellite TV provider
a month of free programming Starting in 2011, Shaw Direct offered a free satellite dish, receiver, installation and a handful of SD channels to Canadians
Shaw_Direct
Type of lever-action rifle and carbine
Model 336/Model 1895 receiver and lever-action mechanism has enjoyed some popularity as a parent for various wildcat caliber conversions. These custom rifles
Marlin_Model_336
American modular assault rifle
alloy upper receiver, with polymer pistol grip, trigger, and magazine housing (lower receiver) unit which is attached to the upper receiver using cross-pins
Adaptive_Combat_Rifle
Use of mirrors or lenses to heat a fluid for electricity generation
the receiver and the heat rejection, thermal losses in the system, and the presence or absence of other system losses; in addition to the conversion efficiency
Concentrated_solar_power
Electronic device
direct current) which is then inverted to produce AC of the desired frequency. The inverter may use thyristors, IGCTs or IGBTs. If voltage conversion
Frequency_changer
Process of varying one or more properties of a periodic waveform
cosine wave frequency (see the superheterodyne receiver principle). Sampling and analog-to-digital conversion (ADC) (sometimes before or instead of the above
Signal_modulation
Assembled components serving a common purpose for communications
signal and transmits it through the medium to the destination of the receiver. The receiver connected at the receiving end converts it to digital data, maintaining
Communications_system
Electrical device that converts AC to DC
electromechanical switches and motor–generator sets have been used. Early radio receivers, called crystal radios, used a "cat's whisker" of fine wire pressing on
Rectifier
Open standard for inductive charging developed by the Wireless Power Consortium
of the power conversion unit. The control and communications unit regulates the transferred power to the level that the power receiver requests. A Base
Qi_(standard)
Straight-pull rifle
an aluminium alloy receiver frame, offering differing stocks and barrels of varying length and thickness. Optionally a steel receiver frame can be ordered
Blaser_R8
UHF can be termed wideband receivers, whereas those without HF would be termed scanners, or surveillance receivers. Receivers without controls, that are
List of communications receivers
List_of_communications_receivers
Assault rifle
semi-direct gas impingement system and a folding stock option. The design was originally a stockless short-barreled pistol version of an AR-15 receiver that
LR-300
Electrical transmission without physical connection
beamed at a receiver that can convert it to electrical energy. At the receiver, power converters optimized for monochromatic light conversion are applied
Wireless_power_transfer
Radio signal strength indicator
connect the S meter to the AGC line through a suitable level conversion circuit. In FM receivers, the S meter circuit must be connected to the IF chain before
S_meter
American submachine gun
from the receiver housing before unscrewing the barrel, but the M3A1 only required the user unscrew the barrel. To date, only one 9 mm conversion kit for
M3_submachine_gun
incorporate the HRO dial system, but instead relied on a direct readout rather than a conversion scale or chart. At the time, Popular Electronics magazine
National_Radio_Company
Defunct US-based electronics company (2001–2018)
to be a receiver of the highest performance available, with the ruggedness and serviceability required for military duty. It featured direct mechanical
Rockwell_Collins
Electrical connector used for analog audio and video
AM radio receiver. As home audio systems became more complex, RCA cables became a standard way to connect components such as radio receivers, amplifiers
RCA_connector
American semi-automatic rifle
the operating rod engages a rotating bolt inside the receiver. The bolt is locked into the receiver via two locking lugs, which rotate, unlock, and initiate
M1_Garand
Family of rifles manufactured by SIG Sauer
(pistol contour brace). In February 2018, USSOCOM ordered upper receiver group conversion kits for the MCX Rattler in .300BLK for evaluation. The MCX Rattler
SIG_MCX
Amateur radio transceiver
GMSK digital phase modulation Receiver system 0.030 to 24.999 MHz RF direct sampling 25.000 MHz and above down conversion IF sampling Official ICOM website
ICOM_IC-705
Type of assault rifle
spring) instead of contacting the receiver walls, providing additional clearance for foreign matter entering the receiver. Unlike the AR-15, the cocking
ArmaLite_AR-18
German service rifle from 1898 to 1935
the receiver. Combined with a slight bolt retraction at the first stage of the bolt opening cycle, caused by the cammed surface on the rear receiver bridge
Gewehr_98
Direct use or generation of wind energy
for using that mechanical energy: direct traction, conversion to electricity aloft or at ground station, conversion to laser or microwave for power beaming
Airborne_wind_energy
Notable American football play in Super Bowl LII
for a two-point conversion against the New York Jets. Running back Duke Johnson took the snap and handed the ball off to wide receiver Jarvis Landry, who
Philly_Special
Obsolete Microsoft Windows audio APIs
architecture DirectX Universal Audio Architecture (UAA) Windows audio driver API basics Windows 2000 Device Interface Limits "Policy for Sample Rate Conversion of
Windows legacy audio components
Windows_legacy_audio_components
Device for receiving and viewing video content
A television set or television receiver (more commonly called TV, TV set, television, telly, or tele) is an electronic device for viewing and hearing television
Television_set
Class of semi-automatic rifles
2018. Retrieved March 6, 2018. "Best Ambidextrous AR-15 Lower Receivers & Conversions [Tested]". May 19, 2022. Archived from the original on February
AR-15–style_rifle
2004 National Football League Championship
Muhammad. The Panthers' two-point conversion attempt failed again when Delhomme threw the ball over wide receiver Kevin Dyson's head, but they took their
Super_Bowl_XXXVIII
Marketing channels and tools used together
or sender to the receiver. There are two types of channels, personal and non-personal. Personal channels of communication are direct and target individual
Marketing_communications
Swiss assault rifle
released by lifting the bolt catch lever located on the left side of the receiver. Alternatively, a left-handed shooter may release the bolt by pulling the
SIG_SG_550
Standard way to send messages
MMSCs also include a conversion service that will attempt to modify the multimedia content into a format suitable for the receiver. This is known as "content
Multimedia_Messaging_Service
Traditional analog landline telephone service
loop. It carries a direct current (DC) voltage at a nominal voltage of −48V when the receiver is on-hook, supplied by a power conversion system in the central
Plain_old_telephone_service
Sensors of light or other electromagnetic energy
DSLRs. Cadmium zinc telluride radiation detectors can operate in direct-conversion (or photoconductive) mode at room temperature, unlike some other materials
Photodetector
Position in gridiron football
numbering, quarterbacks are eligible receivers in the NCAA, NFHS and CFL; in the NFL, quarterbacks are eligible receivers if they are not lined up directly
Quarterback
Imperial Russian five-shot, bolt-action military rifle
blade ejector mounted in the receiver. The Mosin bolt is removed by simply pulling it fully to the rear of the receiver and squeezing the trigger, while
Mosin–Nagant
Telecommunications device
circuit diagram of the model 202 shows the direct connection of the transmitter to the line, while the receiver was inductively coupled. In local battery
Telephone
output power: 350 watts. Receivers: BC-312 and BC-342 Frequency coverage: HF from 2 to 8 MHz (and 1–18 MHz using conversion kits) Power supply: 2000 watts
SCR-299
Family of Israeli submachine guns
However, it means that since the bolt is held to the rear when cocked, the receiver is more susceptible to contamination from sand and dirt. It uses a telescoping
Uzi
Receiving device on satellite dishes
dish and converts them to a signal which is sent through a cable to the receiver inside the building. Also called a low-noise block, low-noise converter
Low-noise_block_downconverter
German 5.56mm assault rifle
variants share an identical receiver, buttstock assembly, bolt carrier group, return mechanism, and guide rod. The receiver contains the barrel, carry
Heckler_&_Koch_G36
Portable World War II-era US military two-way radio
setting, selected emission type and direct current (dc) power available at the power receptacle. Receiver — Single conversion superheterodyne, intermediate
SCR-694
Polarization state
waveplates are wavelength sensitive and the plate thickness is designed for conversion of waves at a particular wavelength. The handedness of polarized light
Circular_polarization
Ballistics measure of a weapon system's precision
= α . X {\displaystyle Y=\alpha .X} , is given by: For example, a GPS receiver having a 1.25 m DRMS will have a 1.25 m × 1.73 = 2.16 m 95% radius. List
Circular_error_probable
Theory of interwoven space and time by Albert Einstein
and with the receiver moving at relativistic speeds, clocks on the receiver are time dilated relative to clocks at the source. The receiver will measure
Special_relativity
Bolt action sniper rifle
accessories. The M24 SWS has the "long action" bolt version of the Remington 700 receiver but is chambered for the 7.62×51mm NATO "short action" cartridge that has
M24_Sniper_Weapon_System
Vacuum tube used to display images
August 2004). "Cathode Ray Tube (CRT) Direct View and Rear Projection TVs". Audioholics Home Theater, HDTV, Receivers, Speakers, Blu-ray Reviews and News
Cathode_ray_tube
American football league
touchbacks). The league uses the National Football League rule requiring a receiver to land both feet in bounds for a forward pass to be counted as complete
United Football League (2024–present)
United_Football_League_(2024–present)
Signal processing technique used in radar
source of interference, and exhibit significant spatial correlation. Thus receiver noise and interference must be considered, and detection processors must
Space-time adaptive processing
Space-time_adaptive_processing
Electrical Currents of High Frequency and Potential - 1896 September 22 - Conversion of direct current into currents of high frequency. Combination of high self-inductance
List_of_Nikola_Tesla_patents
Digitally-captured bootleg TV recording
captures from a digital source with an intermediate analog conversion, e.g. a digital satellite receiver box with S-Video out to a capture card. {{cite web}}:
PDTV
Decoding of pay TV or pay radio signals
but to the decompression and conversion of MPEG video into displayable format. FTA is often used to refer to receivers and equipment which contain no
Pirate_decryption
Accounting of signal gains and losses in communications
medium such as radio waves, cables, waveguides, or optical fibers, to the receiver. It is an equation giving the received power from the transmitter power
Link_budget
Global switchover to digital television
time. It is an involved process because the existing analogue television receivers owned by viewers cannot receive digital broadcasts; viewers must either
Digital_television_transition
Microphone without a physical cable
models use infrared light, although these require a direct line of sight between microphone and receiver. Various individuals and organizations claim to be
Wireless_microphone
Circuit that creates new frequencies from two signals
further signal processing. For example, a key component of a superheterodyne receiver is a mixer used to move received signals to a common intermediate frequency
Frequency_mixer
American bolt-action .30 caliber rifle
and its successive models up to the Gewehr 98 rifle. The M1903's forward receiver ring diameter is 1.305 in (33.15 mm), slightly over the 33 mm (1.30 in)
M1903_Springfield
Technology using sunlight for heat
sun perpendicular to the receiver, the trough tilts east to west so that the direct radiation remains focused on the receiver. However, seasonal changes
Solar_thermal_energy
Type of analog-to-digital converter
A flash ADC (also known as a direct-conversion ADC) is a type of analog-to-digital converter that uses a linear voltage ladder with a comparator at each
Flash_ADC
Breechloading firearm action
Spanish; 10.4 mm rimfire Swiss. Barrel length carbine 20", rifle 33". Finish: Receiver casehardened, barrel blued, iron mountings, walnut stock. The majority
Peabody_action
see: conversion. cornerback A defensive position on scrimmages. Typical formations include two cornerbacks, whose main duty is to cover wide receivers. See
Glossary of Canadian football terms
Glossary_of_Canadian_football_terms
noteworthy 3D-printed weapons (mainly 3D-printed firearms) and parts. Legend Receiver and frame are the parts that are legally considered a firearm and must
List of 3D-printed weapons and parts
List_of_3D-printed_weapons_and_parts
Signals broadcast by GPS satellites
System satellites to enable satellite navigation. Using these signals, receivers on or near the Earth's surface can determine their Position, Velocity
GPS_signals
Deceptive play in gridiron football
If the back does not move laterally to match the motion of the receiver, the receiver may find themselves unopposed on the opposite side of the line once
Trick_play
System of operation used to provide energy to operate autoloading firearms
directly into the action parts. Direct impingement operation increases the amount of heat that is deposited in the receiver while firing, which can burn
Gas-operated_reloading
Architectural engineering that uses the Sun's heat without electric or mechanical systems
requires some external energy for aligning their concentrating mirrors or receivers, and historically have not proven to be practical or cost effective for
Passive_solar_building_design
Digital satellite television standard
improved roll off without breaking compatibility with existing DVB-S receivers). Improved coding: a modern large LDPC code is concatenated with an outer
DVB-S2
Device that converts other energy to electrical energy
was invented in 1831 by British scientist Michael Faraday. The reverse conversion of electrical energy into mechanical energy is done by an electric motor
Electric_generator
American military machine gun deployed 1960
suppressive fire or direct fire weapons. The Mk 43 Mod 1 adds significantly more rail attachment points to the weapon's receiver cover and handguard.
M60_machine_gun
Method to deliver alternative audio feeds in television and radio
Superheterodyne transmitter Synchronization of TV transmitter and receiver Television receive-only Direct-broadcast satellite television Television transmitter Terrestrial
Sound multiplex in broadcasting
Sound_multiplex_in_broadcasting
Device to couple energy between circuits
Resonant transformers are used for coupling between stages of radio receivers, or in high-voltage Tesla coils. Electromagnetic induction, the principle
Transformer
DIRECT CONVERSION-RECEIVER
DIRECT CONVERSION-RECEIVER
Boy/Male
Biblical
The God of conversion.
Boy/Male
German
People's Ruler
Boy/Male
Muslim
Speech, Conversation
Girl/Female
Biblical
Conversion, captivity.
Girl/Female
Hindu, Indian, Malayalam, Marathi, Telugu
Direct; Lead
Biblical
conversion; captivity
Biblical
praise; confession
Girl/Female
Indian, Sikh
Faithful
Girl/Female
Muslim/Islamic
Evening conversation
Boy/Male
Biblical
Respiration, conversion, taking captive.
Girl/Female
Biblical
Captivity, conversion, old age.
Boy/Male
Tamil
Pratyaksh | பà¯à®°à®¤à¯à®¯à®•à¯à®·
Direct evidence
Pratyaksh | பà¯à®°à®¤à¯à®¯à®•à¯à®·
Boy/Male
English American German
Leader.
Male
Turkish
Turkish name DIRENÇ means "resistance."
Girl/Female
Tamil
Direct, Lead
Girl/Female
Indian, Sikh
Lion
Biblical
captivity; conversion; old age
Biblical
the God of conversion
Boy/Male
Indian
Speech, Conversation
Boy/Male
Hindu
Direct evidence
DIRECT CONVERSION-RECEIVER
DIRECT CONVERSION-RECEIVER
Girl/Female
Muslim
Happy. Joyful. Cheerful. Glad.
Male
Hawaiian
Hawaiian form of English Anthony, possibly ANAKONI means "invaluable."Â
Boy/Male
Muslim
Sword name of hazart Ali
Boy/Male
Hindu, Indian
Tool to Project Arrow
Biblical
he that opens; that is at liberty
Boy/Male
Hindu
Cleverness, Honesty, Brilliance, Efficient
Girl/Female
Hindu, Indian
Practice
Boy/Male
Hindu
Lord Murugan
Female
Hebrew
(×וּדִיָּה) Hebrew name UDIYA means "ember (or fire) of God."
Girl/Female
Bengali, Gujarati, Hindu, Indian, Kannada, Marathi, Sindhi
Splendour; Lustre
DIRECT CONVERSION-RECEIVER
DIRECT CONVERSION-RECEIVER
DIRECT CONVERSION-RECEIVER
DIRECT CONVERSION-RECEIVER
DIRECT CONVERSION-RECEIVER
n.
One who directs; a director.
a.
Not reaching the end aimed at by the most plain and direct method; as, an indirect proof, demonstration, etc.
a.
Indirect.
a.
Straight; not crooked, oblique, or circuitous; leading by the short or shortest way to a point or end; as, a direct line; direct means.
n.
An admission by a party to whom an act is imputed, in relation to such act. A judicial confession settles the issue to which it applies; an extrajudical confession may be explained or rebutted.
v. t.
To direct.
n.
An appropriation of, and dealing with the property of another as if it were one's own, without right; as, the conversion of a horse.
n.
Sexual intercourse; as, criminal conversation.
v. t.
To arrange in a direct or straight line, as against a mark, or towards a goal; to point; to aim; as, to direct an arrow or a piece of ordnance.
adv.
In a straightforward way; without anything intervening; not by secondary, but by direct, means.
v. t.
To put a direction or address upon; to mark with the name and residence of the person to whom anything is sent; to superscribe; as, to direct a letter.
adv.
In a direct manner; in a straight line or course.
v. t.
To point out or show to (any one), as the direct or right course or way; to guide, as by pointing out the way; as, he directed me to the left-hand road.
a.
Not direct; not straight or rectilinear; deviating from a direct line or course; circuitous; as, an indirect road.
n.
A change or reduction of the form or value of a proposition; as, the conversion of equations; the conversion of proportions.
v. t.
To point out to with authority; to instruct as a superior; to order; as, he directed them to go.
v. t.
To determine the direction or course of; to cause to go on in a particular manner; to order in the way to a certain end; to regulate; to govern; as, to direct the affairs of a nation or the movements of an army.
a.
In the line of descent; not collateral; as, a descendant in the direct line.
imp. & p. p.
of Direct
n.
A second conversion.