Astable Multivibrator Transistors
Regenerative switching circuits such as Astable Multivibrators are the most commonly used type of relaxation oscillator because not only are they simple, reliable and
Schmitt Trigger
The Schmitt Trigger is a logic input type that provides hysteresis or two different threshold voltage levels for rising and falling edge.
Transistor Schmitt Trigger
The Schmitt Trigger is a logic input type that provides hysteresis or two different threshold voltage levels for rising and falling edge.
circuit design notes
Voltage limiter with ic source inrush current protector to protect capacitor from fast charging and let mosfets work as soft start +
INPUT and OUTPUT IMPEDANCE
THEORETICAL CONSIDERATIONS The concept of circuit loading The emitter-follower circuit Calculation of the effective (load) input impedance Zin in the emitter-follower circuit
Common Emitter Amplifier
The most common amplifier configuration for an NPN transistor is that of the Common Emitter Amplifier circuit All types of transistor amplifiers
inductor and capacitor formulas
Capacitor Inductor
Norton’s Theorem
What is Norton’s Theorem? Norton’s Theorem states that it is possible to simplify any linear circuit, no matter how complex, to an
Superposition theorem
Superposition theorem is one of those strokes of genius that takes a complex subject and simplifies it in a way that makes
Mesh Current Method and Analysis
The Mesh-Current Method, also known as the Loop Current Method, is quite similar to the Branch Current method in that it uses simultaneous equations,
Thevenin’s Theorem
Thevenin’s Theorem states that it is possible to simplify any linear circuit, no matter how complex, to an equivalent circuit with just
Millman theorem
In Millman’s Theorem, the circuit is re-drawn as a parallel network of branches, each branch containing a resistor or series battery/resistor combination. Millman’s Theorem is applicable