2015年7月21日 · If no base current flows, then no collector current (Ic) can flow, and the transistor is said to be cut off (OFF). Since the base-to-emitter junction is a real diode, as opposed to an ideal one, V IN must reach at least + 0.6 V (one diode-drop) before any base current can flow.

The 7400 Series IC chips were originally a transistor-transistor logic chip family created by Texas Instruments (74LS Series) and later updated to CMOS technology (74HC Series). TTL circuits use BJTs while CMOS circuits use MOSFETs (different type of transistors)

2022年3月2日 · This article describes how Bipolar Junction Transistors can be easily configured to act as logic gates when used in their "on" and "off" states. Five popular logic gate types will be described and constructed in this article and accompanying video. The five types are the: Inverter (or NOT) gate AND Gate NAND Gate OR Gate

Here we will describe the system characteristics of the BJT configuration and explore its use in fundamental signal shaping and amplifier circuits. The BJT is a three terminal device and it comes in two different types. The npn BJT and the pnp BJT. The BJT symbols and their corresponding block diagrams are shown on Figure 1.

Title: Lecture33.jnt Author: cradhak Created Date: 9/20/2021 12:43:05 PM

The application report “Fundamentals of MOSFET and IGBT Gate Driver Circuits” details a number of methods to effectively drive MOSFET gates, including the popular bipolar totem-pole pictured in Figure 1. Figure 1. Bipolar Junction Transistor (BJT) Totem-Pole Gate-drive Circuit.

2021年2月6日 · In the following circuits we learn how to make simple logic equivalent inverter and buffer amplifier stages using discrete BJTs. The circuit as depicted in Figure below is a standard inverting amplifier that can be powered from most CMOS of TTL ICs.

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2024年11月17日 · This article will teach you how to construct discrete transistor logic gates for NOT, AND, NAND, OR, and NOR. Transistor logic gates have BJT the primary

• 1- Introduction to The Bipolar Junction Transistor • 2- Active Mode Operation of BJT • 3- DC Analysis of Active Mode BJT Circuits • 4- BJT as an Amplifier • 5- BJT Small Signal Models • 6- CEA, CEA with R E, CBA, & CCA • 7- Integrated Circuit Amplifiers