Controlled Transistor Series Regulator or Negative Feedback Regulator: A controlled transistor series regulator is shown in Fig. 43.6. This Controlled Transistor Series Regulator circuit is quite similar to that of a simple transistor series voltage…
Transistor Series Voltage Regulator or Emitter Follower Voltage Regulator: A simple series voltage regulator using an NPN transistor and a zener diode is shown in Fig. 43.5. This circuit is called a series regulator because…
Series Voltage Regulator - Block Diagram and Working Principle: The basic connection of a series voltage regulator circuit is shown in the block diagram given in Fig. 43.4. The series element controls the magnitude of…
Characteristics of Regulated Power Supply: The quality of power supply depends on different factors such as its load voltage, load current, voltage regulation, source regulation, output impedance, ripple rejection etc. Some of the characteristics of…
Regulated and Unregulated Power Supply: Almost all electronic devices used in electronic circuits need a dc source of power to operate. The source of dc power is used to establish the dc operating points (Q-points)…
What is Alphanumeric Codes? - ASCII code, EBCDIC Code: In order to communicate, we need not only numbers but also letters of alphabet, punctuation marks and other special characters. These codes are called alphanumeric codes.…
What is Gray code? (Definition, Conversions & Examples): This Gray code belongs to a class of codes called minimum-change code, in which only one bit in the code group changes when going from one step…
What is Excess-3 Code? (Definition and Examples) The excess-3 code, abbreviated as XS-3, is an important 4-bit code sometimes used with binary-coded decimal (BCD) numbers. It possesses advantages in certain arithmetic operations. The excess-3 code…
What is Binary Coded Decimal (BCD) Code?: The 8-4-2-1 code or simply the Binary Coded Decimal code is composed of four bits representing the decimal digits 0 through 9, 8, 4, 2 and 1 are…
Hexadecimal Number System (Definition, Conversions & Examples): The binary number system forms the natural choice for the two-state systems. But in this system, the numbers tend to get short rather long. Hence to reduce the…
