Almost all electronic devices and circuits need a dc source of power for their operation. While batteries and dry cells…
Features of a Gunn Diode A gunn diode is made up of only N-type semiconductor which is typically sandwiched between…
A voltage multiplier is a specialized rectifier circuit capable of producing dc output voltage which is theoretically an integer times…
A clamper circuit or dc restorer is used to clamp a peak of a waveform to a specific DC level…
A clipper also referred to as a limiter is a circuit which removes the peak of a waveform. A clipper…
PIN diode is characterized by fast low capacitance switching. A PIN diode is fabricated in a similar fashion to a…
The operation of a typical AM audio frequency signal is illustrated in the Figure 1.0 where vin is the modulated…
The unijunction transistor (UJT) is a three terminal, single-junction device which exhibits negative resistance and switching characteristics totally unlike those…
The varactor also termed to as varicap, is a diode that behaves like a variable capacitor, with the PN junction…
Let’s consider the functional diagram below: Figure 1 DC motor power op-amp speed controller functional diagram The D/A converter outputs…