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Type of analog-to-digital converter
the comparator with an analog voltage relative to the reference voltage Vref (which corresponds to the full-scale range of the ADC) and proportional to
Successive-approximation_ADC
Topics referred to by the same term
VREF or vref may stand for: Vancomycin-resistant Enterococcus faecium, an antibiotic-resistant microorganism VREF speed, the reference landing approach
VREF
Linear integrated circuit precision shunt regulator
the cathode with the control input stabilizes VREF at some point above the threshold. This point (Vref) is, strictly speaking, the reference voltage of
TL431
Grouping used for air traffic control
indicated airspeed at runway threshold (Vat, also known as approach speed or VREF). The categories are as follows: Category A: less than 169 km/h (91 kn) indicated
Aircraft_approach_category
Comparisons in quantitative sciences
numerical quantities, vref and v with vref some reference value, their actual change, actual difference, or absolute change is Δv = v − vref. The term absolute
Relative_change
Hardware description language building on Verilog for mixed-signal integrated circuit
input/output input clk, vref; input [bits-1:0] din; output aout; // Define port types logic clk; logic [bits-1:0] din; electrical aout, vref; // Internal variables
Verilog-AMS
Standard terms to define airspeeds
aircraft) to denote rotation speed in conjunction with the term Vref (refusal speed). VRef Landing reference speed or threshold crossing speed. Must be at
V_speeds
Adjustable linear voltage regulator
}\left(1+{\frac {R_{L}}{R_{H}}}\right)} Vref is the difference in voltage between the OUT pin and the ADJ pin. Vref is typically 1.25 V during normal operation
LM317
Algorithm on pulse-width modulation
of phase angle. To implement space vector modulation, a reference signal Vref is sampled with a frequency fs (Ts = 1/fs). The reference signal may be generated
Space_vector_modulation
Type of electrical circuit
normal operating conditions, the voltage across R2 is slightly lower than VREF of the LM431. Since this voltage is below the minimum reference voltage of
Crowbar_(circuit)
aviation industry; Aircraft Bluebook Price Digest, Aircraft Value Reference (VREF), and Airliner Price Guide are paid-subscription publications. International
Aircraft_bluebook
Type of computer memory
Bank Bank group Chip CID0–2 H V Column C3–10 V AP V CID3 Vref CA L H H L L L Opcode OP0-6 L V Vref CS L H H L L L Opcode OP0-6 H V Refresh all L H H L L
DDR5_SDRAM
Device that compares two voltages or currents
amplifies the voltage difference between Vin and VREF and outputs the result as Vout. If Vin is greater than VREF, then voltage at Vout will rise to its positive
Comparator
2025 aviation accident in Canada
minute (340 m/min). This was slower than the recommended landing speed (VRef) of 144 knots (267 km/h; 166 mph), and the rate of descent exceeded the landing
Delta_Connection_Flight_4819
Type of computer memory introduced 2014
identified some key points for IC and PCB design: IC design: VrefDQ calibration (DDR4 "requires that VrefDQ calibration be performed by the controller"); New addressing
DDR4_SDRAM
1991 aviation accident
from the runway threshold at a speed of 112 kn (129 mph; 207 km/h). The Vref was 110 kn (127 mph; 204 km/h), with the target touchdown speed of 103 kn
LAN_Chile_Flight_1069
Electrical circuit
digital logic gates. The bit inputs are switched between 0 volts (logic 0) and Vref volts (logic 1). The R–2R network causes these digital bits to be weighted
Resistor_ladder
DC linear voltage regulator
V_{\text{-}}={\frac {R_{2}}{R_{1}+R_{2}}}V_{\text{out}}\ .} When this voltage is less than Vref, the opamp will turn on the pass element. The feedback loop keeps V - {\displaystyle
Low-dropout_regulator
Aborted landing of an aircraft
deviation, Flaps not extended, Rate of descent deviation, and Approach speed (Vref) deviation. Incomplete landing checklist A go-around is a relatively rare
Go-around
1975 airliner family with 4 turboprop engines
for steeper descents and lower approach speeds. Depending on weight, the VREF speed with flaps at 45° is between 70 and 85 knots. On touchdown, through
De_Havilland_Canada_Dash_7
Very light business jet
64 kn (119 km/h) IAS at the 5,550 lb (2,520 kg) max landing weight, with Vref at 83 kn (154 km/h) IAS or lower, similar to an SR22. The aircraft has a
Cirrus_Vision_SF50
Electronic circuit to reset on low voltage
peripheral that generates a reset signal when the Vcc supply voltage falls below Vref. Sometimes is combined with power-on reset (POR) and then it is called POR-LVD
Low-voltage_detect
Transistor switch output for integrated circuits
pull-down termination at the far end.[clarification needed] The reference point (VREF) for the input is not half-supply as was in DDR3 and may be higher. A comparison
Open_collector
System that converts an analog signal into a digital signal
E_{\mathrm {FSR} }=V_{\mathrm {RefHi} }-V_{\mathrm {RefLow} },\,} where VRefHi and VRefLow are the upper and lower extremes, respectively, of the voltages
Analog-to-digital_converter
Jet-powered executive transport aircraft
Depreciate by 50% at Year Five". AIN. Chad Trautvetter (5 October 2018). "VREF To Release 15-year Bizcraft Residual Value Outlook". AIN online. "10 Year
Business_jet
1976 aviation accident in the United States Virgin Islands
meant that the aircraft's speed was 10 knots (19 km/h; 12 mph) higher than VREF as it crossed the runway threshold. This, combined with the fact that the
American_Airlines_Flight_625
Power supply connections for integrated circuits
supply delivered to a USB device (nominally 5 V), VBAT for a battery, or Vref for the reference voltage for an analog-to-digital converter. Systems combining
IC_power-supply_pin
Topics referred to by the same term
is a microcontroller technology that asserts a RESET when Vcc falls below Vref. Large Volume Detector, particle physics experiment situated in Italy. Liquid
LVD
Airport serving Tulsa, Oklahoma, U.S.
pilots. The accident was attributed to the failure of the pilot to maintain VREF and an improper landing flare. The aircraft was subsequently repaired and
Tulsa_International_Airport
Environment, and Head of the Volvo Research and Educational Foundations (VREF) Center of Excellence on Sustainable Urban Freight Systems at the Rensselaer
Jose_Holguin-Veras
Historic place in Virginia, United States
owned by land agent, George Brent. Based on an 1862 Union engineer map (VREF 975.52 U 1862 DC.), known as the “McDowell map”, Hollin Hills sat near Sparrow
Hollin_Hills
Electrical isolation mechanism
single positive rail Vcc, and the same rail can double as reference voltage (Vref=Vcc). It need not be precisely regulated. Synthesizers of the 1970s–1980s
Resistive_opto-isolator
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Boy/Male
American, British, English
From the Broad Valley
Boy/Male
Tamil
A Prince
Boy/Male
Indian
Victory, Mars
Surname or Lastname
English
English : unexplained; possibly a variant of Scaife.Dutch (Belgium) : from German schaf, hence a metonymic occupational name for a shepherd or a nickname for someone thought to resemble a sheep in some way.
Surname or Lastname
English
English : variant of Goodenough.
Boy/Male
Hindu, Indian, Jain, Tamil
God of Literature
Boy/Male
Australian, Hebrew
Given by God
Boy/Male
Muslim/Islamic
Good soul good natured
Boy/Male
Muslim/Islamic
Pure Water
Girl/Female
Assamese, Christian, Danish, German, Hebrew, Hindu, Indian, Italian, Kannada, Latin, Malayalam, Marathi, Russian, Sanskrit, Telugu
Mark; Limit; Beloved
VREF
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