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Two Transistor Amplifier Circuit » Electronics Notes
https://www.electronics-notes.com/articles/analogue_circuits/transistor/amplifier-npn-pnp-two-transistor-circuit.php
This electronic circuit design shows a simple two transistor amplifier with feedback to offer a defined gain level that can be determined by the resistors in the circuit. The design includes PNP and NPN transistors and adopts the overall topology of the Sziklai pair, but with additional resistors included to define the gain. The two transistor amplifier offers a reasonably high …
2SA844 PNP Audio Amplifier Transistor - Datasheet
https://circuits-diy.com/2sa844-pnp-audio-amplifier-transistor-datasheet/
2SA844 PNP Audio Amplifier Transistor is designed for the Low-frequency amplifier Application. 2SA844 is a Complement to Type 2SC1683. Buy from Amazon.
2SA950 PNP Audio Amplifier Transistor - Datasheet
https://circuits-diy.com/2sa950-pnp-audio-amplifier-transistor-datasheet/
2SA950 PNP Audio Amplifier Transistor is designed for the 1w audio power applications. Its Hybrid parameter forward current gain is equal to 100-320 and complementary to 2SC2120. Buy from Amazon
PNP Transistors - Circuit Digest
https://circuitdigest.com/article/pnp-transistor/
Internal operation: The construction of pnp transistor is that the collector and emitter regions are doped with p-type material and the base region is doped with small layer of n-type material. The emitter region is heavily doped when compared with collector region. These three regions form two junctions.
Amplifier NPN+PNP Transistors Tester Circuit | diyAudio
https://www.diyaudio.com/community/threads/amplifier-npn-pnp-transistors-tester-circuit.96435/
Amplifer NPN+PNP Transistors Tester Circuit When we build our transistor amplifiers, we very often want to use Complementary NPN + PNP Transistor pairs. As close matched as possible. My circuit for this, you can see in Attachment. A similar circuit should be possible to build. This one I use for for testing my MultiSim spice models.
PNP Transistor Circuit Characteristics, Working, …
https://electronicshub.org/pnp-transistor/
PNP transistors are used to source current, i.e. current flows out of the collector. PNP transistors are used as switches. These are used in the amplifying circuits. PNP transistors are used when we need to turnoff something by push a button. i.e. emergency shutdown. Used in Darlington pair circuits.
How can a PNP transistor work as Amplifier? - Electrical ...
https://electronics.stackexchange.com/questions/332995/how-can-a-pnp-transistor-work-as-amplifier
There are two different types of transistor - NPN and PNP. The circuits for the two are similar, however the polarity of the power supply for PNP types is the opposite way around to that for NPN types. With NPN types the emitter is negative, whereas with PNP types it is positive. To anyone familiar with valve circuits or more modern transistor electronics, the power supply …
Two Transistor Audio Amplifier Circuit
https://circuits-diy.com/two-transistor-audio-amplifier-circuit/
This Two Transistor amplifier circuit consists of two stages. At the first stage, the NPN transistor is used. When we supply the power to the circuit and apply the audio signal at the base of the first transistor (NPN), the current flow between collector and emitter. Thus, the flowing current is proportional to the audio signal.
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