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On-state V CA drops to around 2 V, which is compatible with Transistor–transistor logic (TTL) and CMOS logic gates with 5 V power supply. [40] Low-voltage CMOS (e.g. 3.3 V or 1.8 V logic) requires level conversion with a resistive voltage divider , [ 40 ] or replacing the TL431 with a low-voltage alternative like the TLV431.
Network access control (NAC) is an approach to computer security that attempts to unify endpoint security technology (such as antivirus, host intrusion prevention, and vulnerability assessment), user or system authentication and network security enforcement.
Multiple-emitter transistors replace the diodes of diode–transistor logic (DTL) to make transistor–transistor logic (TTL), [1] and thereby allow reduction of switching time and power dissipation. [2] [3] cross section and symbol of a simple NPN bipolar transistor cross section and symbol of a multiple emitter NPN bipolar transistor
Ebers–Moll model for an NPN transistor. [28] I B, I C and I E are the base, collector and emitter currents; I CD and I ED are the collector and emitter diode currents; α F and α R are the forward and reverse common-base current gains. Ebers–Moll model for a PNP transistor Approximated Ebers–Moll model for an NPN transistor in the ...
The 2N3904 is an NPN transistor that can only switch one-third the current of the 2N2222 but has otherwise similar characteristics. The 2N3904 exhibits its forward gain (beta) peak at a lower current than the 2N2222, and is useful in amplifier applications with reduced I c , e.g., (gain peak at 10 mA for the 2N3904 but 150 mA for the 2N2222).
Examples are the classic transistor emitter-coupled Schmitt trigger, the op-amp inverting Schmitt trigger, etc. Modified input voltage (parallel feedback): when the input voltage crosses the threshold in either direction the circuit changes its input voltage in the same direction (now it adds a part of its output voltage directly to the input ...
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A network on a chip or network-on-chip (NoC / ˌ ɛ n ˌ oʊ ˈ s iː / en-oh-SEE or / n ɒ k / knock) [nb 1] is a network-based communications subsystem on an integrated circuit ("microchip"), most typically between modules in a system on a chip .