Track/hold
Transmit/receive
T1 is standard for digital transmission in the United States. It is a digital transmission link with a capacity of 1.544Mbps. T1 uses two pairs of normal twisted wires, the same as found in most residences. T1 normally handles 24 voice conversations, each
A type of data connection capable of transmitting a digital signal at 44Mbps. T3 lines are often used to link large computer networks, such as those that comprise the Internet.
Total accumulated discharge (mA-hr)
In a potentiometer, taper refers to how the resistance varies as the pot's armature is rotated (or, for a slide pot, as its wiper slides; or for a solid state pot like the DS1802, as its input voltage is varied).
Temperature coefficient; thermocouple; TURBOCHARGE (control bit)
Transmission Control Protocol/Internet Protocol: The protocols or conventions that computers use to communicate over the Internet.
Temperature Compensated Crystal Oscillator: A crystal oscillator that includes circuitry that compensates for temperature variations, to maintain a more constant frequency.
Time Division Duplex, the second variation of WCDMA especially suited to indoor environments where there is a need for high traffic density.
Time Division Multiplexing, a scheme in which numerous signals are combined for transmission on a single communications line or channel. Each signal is broken into many segments, each having very short duration.
Time Division Multiple Access: A method of digital wireless-communications transmission. TDMA allows many users to access (in sequence) a single radio-frequency channel without interference, because it allocates unique time slots to each user within each
TDMoP (TDM over Packets), or TDMoIP (TDM over IP), is the implementation of TDM over a packet-switching network. TDMoIP is a trademark of RAD Communications.
Time-delay relay
Chinese Third Generation (3G) telecommunications standard. China's government allocated three frequency bands: 1880MHZ to ~1920MHz, 2010MHz to ~2025MHz, and 2300MHz to ~2400MHz.
A thermoelectric cooler (TEC) is a small cooling device that relies on a Peltier junction. Composed of two conductors made of different materials, a Peltier junction (discovered in 1833 by J.C. Peltier) acts as a heat pump which can cool or warm when curr
A system for transmitting picture and sound over a distance, primarily via the standards for NTSC, PAL, or HDTV.
Temperature coefficient
The average kinetic energy of the atoms or molecules of a body or substance, perceived as warmth or coldness. Measured in degrees Fahrenheit, Celsius, or Kelvin.
An integrated circuit with a digital output that indicates whether a measured temperature is above or below a predetermined threshold.
Temperature sensor that uses an external diode-connected transistor as the sensing element to measure temperatures external to the sensor (for example, on a circuit board or on the die of a CPU). Generally produces a digital output.
A circuit that opens and closes a conductive path based on temperature.
Tesla (abbreviated T) is a measure of magnetic flux density (B-field), named for engineer and inventor Nikola Tesla.
Thin-film transistor
Temperature/humidity bias
Total Harmonic Distortion (THD): A measure of signal distortion which assesses the energy that occurs on harmonics of the original signal. It is specified as a percentage of the signal amplitude.
Total Harmonic Distortion Plus Noise (THD+N) is the sum of the two most important distortion components. THD is the distortion that occurs on harmonics of the original signal -- it is correlated with the signal. Noise is the more random, uncorrelated dist
Circuit to monitor and control the temperature of something. For example the integrated temperature controller in Intel's processors.
The use of various temperature monitoring devices and cooling methods, such as forced air flow, within a processor or FPGA-based system, to control overall temperature of ICs and internal cabinet temperatures.
The integrated thermal control system used in Intel's processor devices.
Deactivating a circuit when a measured temperature is beyond a predetermined value.
Thermal Diode Anode pin on AMD and Intel processors.
Thermal Diode Cathode pin on AMD and Intel processors.
A temperature-dependent resistor with a high temperature coefficient, usually composed of sintered semiconductor material.
A temperature sensor formed by the junction of two dissimilar metals. A thermocouple produces a voltage proportional to the difference in temperature between the hot junction and the lead wire (cold) junction.
Circuit that indicates whether a measured temperature is above or below a particular temperature threshold or trip point. Used for thermal protection and simple temperature control systems.
Pin name of the thermal trip output pin of AMD processors. The pin is asserted at a nominal die temperature of 125°C.
Pin name of the Thermal Trip digital output on Intel Pentium processors. The pin is asserted at a nominal die temperature of 135 degrees-C.
A three-state, or Tri-State, output has three electrical states: One, zero, and "Hi-Z," or "open." The hi-Z state is a high-impedance state in which the output is disconnected, leaving the signal open, to be driven by another device (or to be pulled up o
A method for mounting components on a printed circuit board (PCB) in which pins on the component are inserted into holes in the board and soldered in place.
Mounting scheme used for electronic components that involves the use of leadson the components that are inserted into holes drilled in printed circuit boards (PCB) and soldered to pads on the opposite side either by manual assembly (hand placement) or by
A thyristor is a solid-state semiconductor device with four layers of alternating P- and N-type materials.
In radio systems, Time Diversity spreads a signal across multiple channels by placing multiple versions of the signal in different time slots.
Tin whiskers (also called Sn whiskers or metal whiskers) are microscopic, conductive, hair-like crystals that emanate spontaneously from pure tin (especially electroplated tin) surfaces. Whiskers form primarily on elemental metals, but have also been foun
A standard CMOS output structure where a P-channel MOSFET is connected in series with an N-Channel MOSFET and the connection point between the two is the output. The P-FET sits on top of the N-FET like a "totem pole." Both gates are driven by the same sig
Thin version of the QFN package (the JEDEC "W" option) 0.8mm thick.
Thin quad flat pack
A device that contains both a transmitter and receiver.
The gain of a transconductance amplifier (an amp in which a change in input voltage causes a linear change in output current). The basic gain of vacuum tubes and FETs is expressed as transconductance. It is represented with the symbol gm.
An amplifier that converts a voltage to a current. Also known by several other terms (see synonym list). One synonym is OTA, or operational transconductance amplifier, a term that marries the terms transconductance amplifier and operational amplifier.
A Transducer Electronic Data Sheet, or TEDS, is a method for plug-and-play sensor and transducer hook-up in which the sensor's calibration information is stored within the device and downloaded to the master controller when requested. A standardized TEDS
Transfer refers to the amount of data transferred across a digital interface, exclusive of any extra bits used to encode the data.
An inductive electrical device for changing the voltage of alternating current.
Transient intermodulation distortion, or TIM, occurs in amplifiers that employ negative feedback when signal delays make the amplifier incapable of correcting distortion when exposed to fast, transient signals.
An amplifier which converts a current to a voltage. It is a familiar component in fiber-communications modules.
A basic solid-state control device which allows or disallows current flow between two terminals, based on the voltage or current delivered to a third terminal.
A circuit that accepts signals or data in and translates them into a form that can be sent across a medium (transmitted), usually over a distance. The medium can be wireless or wired.
TS 16949 is an ISO Technical Specification that aligns previous American (QS-9000), German (VDA6.1), French (EAQF) and Italian (AVSQ) automotive quality systems standards within the global automotive industry. Together with ISO 9001:2000, ISO/TS 16949:200
Thin small-outline C-lead
Thin small-outline package
Temperature sensor and system monitor
Thin shrink small-outline package
Temperature conversion sample time
Time remaining to full charge
Two-tone intermodulation distortion
Transistor-to-transistor logic
A tubular motor is an electric motor embedded in a cylindrical form factor. They are typically used for window shades and blinds, projection screens, awnings, roller doors, etc.
Total unadjusted error
Test vector monitor
Transient Voltage Suppressor: Semiconductor device designed to protect a circuit from voltage and current transients. Typically implemented as a large silicon diode operating in avalanche mode to absorb large currents quickly.
Tweak (or sometimes, "tweek") means to make small adjustments to a system to improve its performance.
Transmit
