eeeguide

Online Electrical and Electronics Learning Site

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Darlington Pair Transistor:
The main fea­ture of the Darlington Pair Transistor connection is that the composite transistor acts as a single unit that has a high cur­rent gain
https://t.co/UmJwIJt9qs

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Bootstrapped Darlington Circuit:
The maximum input resistance of a Darlington circuit is limited to 1/hob ≡ 2 MΩ, as 1/hob is the resistance between base and collector.
https://t.co/7rTgTefxi8

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Feedback Pair Connection:
The feedback pair connection is a two-transistor circuit that operates like the Darlington amplifier. It makes use of a PNP transistor driving an NPN transistor, the two devices acting much like one PNP transistor.
https://t.co/g1mOKIitJX

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Dual Input Balanced Output Differential Amplifier:
In the given Dual Input Balanced Output Differential Amplifier circuit, two input signals vin1 and vin2 are applied to the bases B1 and B2 of transistors Q1 and Q2.
https://t.co/opD1CyKnVG

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Dual Input Unbalanced Output Differential Amplifier:
The output is called the unbalanced output because the collector at which the output voltage is measured is at some finite dc potential w.r.t. ground.
https://t.co/2eKxwNrwTk

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Single Input Balanced Output Differential Amplifier:
In a single input balanced output differential amplifier an input signal is applied to either input, with the other input connected to ground.
https://t.co/qrUwRB0UoC

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Single Input Unbalanced Output Differential Amplifier:
In this Single Input Unbalanced Output Differential Amplifier configuration, an output signal can be impressed on the base of either transistor and output can be measured at either collector.
https://t.co/cemX1rq5BA

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Swamping Resistor in Differential Amplifier:
The dependence of the voltage gain of the differential amplifiers on variations in ac emitter resistance r′e can be reduced
https://t.co/Rljm6RAdF1

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Constant Current Source in Differential Amplifier:
Constant Current Source in Differential Amplifier can be built using FET devices, bipolar devices, and a combination of these components.
https://t.co/xPluosONF3

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Constant Current Bias in Differential Amplifier:
Constant current bias in differential amplifier circuit is considered better as it provides current stabilization and, therefore, assures a stable operating point for the differential amplifier.
https://t.co/6e8o8VV4kg

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Two Transistor Current Source:
The two-transistor current source, also called a current mirror, is the basic building block in the design of integrated circuit current sources.
https://t.co/gjqyzKQtlf

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Cascaded Differential Amplifier:
Cascaded Differential Amplifier gives an idea of how differential amplifiers can be cascaded to give an op-amp.
https://t.co/jlraJEHffr

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JFET Differential Amplifier:
The two JEETs operate as common-source amplifiers with their source terminals connected. A constant-current provides bias current. https://t.co/yd0ISVcrx1

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Voltage Level Translator (Level Shifter):
Voltage Level Translator (Level Shifter) is usually an emitter follower circuit which is used to shift the dc level at the output of the intermediate stage downward to zero volt w.r.t. ground.
https://t.co/SKT45eE2df

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Collector Modulation Circuit:
In Collector Modulation Circuit, the transistor Q1 makes an RF class C amplifier. The carrier signal is applied to the base of Q1. VCC makes collector supply used for biasing purpose.
https://t.co/DFuKYfp2Er

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Base Modulation Circuit:
The carrier signal from a crystal oscillator is coupled to the base terminal of the amplifier through transformer T1.
https://t.co/dB7YeS2Ruu

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Emitter Modulation Circuit:
The carrier signal from a crystal oscillator is coupled to the base of amplifier through capacitor Cin. The modulating signal is applied to the emitter circuit.
https://t.co/wMu6xdJckM

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Square Law Diode Modulator utilizes the nonlinear region of voltage-current dynamic characteristic of a P-N diode. This square law diode modulator method is suited at low voltage levels
https://t.co/cqELkRQY5A

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Balanced Modulator:
Balanced modulator may be defined as a circuit in which two nonlinear devices are connected in a balanced mode to generate a DSBSC signal.
https://t.co/wsH7zsHp4E

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Phase Shift Method of Single Sideband Modulation SC Generation method uses two balanced modulators and two phase shifting networks. This method avoids the use of filters.
https://t.co/kWKe6wJOrP