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Transistors on schematics are labeled Q followed by a reference number because of tradition. The letter could be something else, for example I have some old schematics that use T, however T is traditionally used for Transformers.
Some other traditional schematic component labels are:
- R, resistor
- C, capacitor
- L, inductor/coil
- V, vacuum tube
- U or IC, integrated circuit
- D or CR, semiconductor diode
- Z, zener diode
- M, meter or motor
- ANT, antenna
- CB, circuit breaker
- F, fuse
- RT, thermistor
- J, female connector/socket
- P, male connector/plug
- Y, crystal
- E or G, ground
- S or SW, switch
- K, relay or contactor
- B or BT, battery
- PS, power supply
- NE, neon lamp
- DS, display or lamp
What else can I help you with?
What is Q point of a transistor?
Q point which is quiscent (silent) point is the operating point of a transistor where the variations of collector current and collector-emitter voltage take place when signal is applied.
What is the significance of Q point?
Q point is also called operating point.Q point is mainly adjusted in transistors to make it stable. i.e., to operate the transistor in safe mode. Depending up on the operating current and voltage Q point is adjusted. The Q point defines the operating condition of the transistor and the transistors which quiescent point is adjusted are denoted as Q1,Q2.........Qn
Why a transistor is used as a amplifier and switch?
transistor has 2 output 1 and 0 so can be used as a switch
What is mean BFW11?
Its a Transistor used in JFET (Junction Field Effect Transistor)
Why the base bias Q-point in transistor circuits changes with temperature?
why we use base resistor in emitter bias
What is the symbol used for irrational numbers?
There is no specific symbol. The symbol for real numbers is R and that for rational numbers is Q so you could use R \ Q.
Why operating point of transistor is called as q point?
The operating point of a transistor is called the Q point because Q stands for "quiescent," which means a state of rest or inactivity. It represents the DC bias conditions at which the transistor operates when there is no input signal. This point is crucial for analyzing the transistor's behavior and ensuring proper amplification.
What is the symbol for rational numbers?
Q is the set of all rational numbers. The letter Q is used because rationals can be expressed as a quotient of two integers. Any letter from the Greek or Latin alphabet may be used as a symbol for an individual rational number.
What is Q point of a transistor?
Q point which is quiscent (silent) point is the operating point of a transistor where the variations of collector current and collector-emitter voltage take place when signal is applied.
Why Q is used as a symbol for charge rather than C?
Seems Q was used because it refers the to "Quantity" of electrical charge.
What is the schematic symbol for a transistor?
See link below...
How much gain does a good transistor usually have?
A: A transistor has non linear gain. To find the gain a Q point must be specified
Why do you bias a field effect transistor?
we do bias field effect transistor because FET works if its Q point lies into active reason .If we bias FET ,the Q point lies in active reason
Why the symbol of transistor is made in a circle?
The symbol of a transistor is often drawn within a circle to denote that it is an integrated or encapsulated electronic component. The circle helps to visually distinguish the transistor from other circuit elements, emphasizing its role as a discrete device. Additionally, the circular symbol can indicate that the transistor is part of a larger circuit or system, highlighting its function in controlling current flow within that context.
What is the purpose of dc biasing of transistor?
to establish Q- point or operating point...
What symbol is used for probability of success in statistics?
A "p" is used for probability of success. A "q" is used for probability of failure.
What is q-point of transistor?
The operating point of a device, also known as bias point or quiescent point (or simply Q-point), is the DC voltage and/or current which, when applied to a device, causes it to operate in a certain desired fashion. The term is normally used in connection with devices such as transistors and diodes which are used in amplification or rectification.
