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FET applications – Circuit Schematic
FET applications
FET has a very high input impedance (100 Mega ohm in case of JFETs and 104 to 109 Mega Ohm in case of MOSFETs), the major shortcomings of an ordinary transistor...
Transistor act as a switch – Circuit Schematic
Transistor act as a switch
Transistor is a semiconductor device used for switching and amplification of weak signals. This article explains how a transistor work and the working of transi...
Cheap And Cheerful Transistor Tester – Circuit Schematic
Cheap And Cheerful Transistor Tester
By using a simple visual indicating system, this small transistor tester allows you to run a quick go/non-go` check on NPN as well as PNP transistors. If the de...
Transistor tester circuit – Circuit Schematic
Transistor tester circuit
Using the tester is easy, starting with power off, insert a transistor into the test socket. Set S1 for NPN or PNP androtate S3 to the required test position. R...
transistor tester circuit – Circuit Schematic
transistor tester circuit
This is a very simple transistor tester circuit the circuit can be used to test NPN and PNP transistors. The voltage source is a 6V power supply which is 230V A...
mosfet tester – Circuit Schematic
mosfet tester
This is a variation on the astable multivibrator. Circuit was recently developed to test for N-mosfets(the power kind e.g irf830).....
two transistor led flasher – Circuit Schematic
two transistor led flasher
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basic transistor circuits for beginners explored – Circuit Schematic
basic transistor circuits for beginners explored
This article is the compilation of small transistor circuits and configurations for beginners like current amplifier and limiter, oscillator, latch etc. Using j...
understanding simple transistor circuits using emitter as common termination – Circuit Schematic
understanding simple transistor circuits using emitter as common termination
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fet small signal analysis – Circuit Schematic
fet small signal analysis
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transistor circuit diagram – Circuit Schematic
transistor circuit diagram
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fet current source – Circuit Schematic
fet current source
This is a constant current source using a FET. This is the most simple replacement to series resistor to limit current. The N-Channel FET BF256C can give 15mA c...
circuit transistor tester – Circuit Schematic
circuit transistor tester
Circuit transistor tester is a fairly simple circuit tester. Transistor tester circuit shown below can be used to measure and know the pins and determine the co...
discussing output stage of square wave – Circuit Schematic
discussing output stage of square wave
What about the 10K resistors at the bases of the transistors, and the 1K resistors at the collectors. Keep those with theTransistors when I move them, orget rid...
transistor amplifier self bias – Circuit Schematic
transistor amplifier self bias
The simplest way to bias a transistor amplifier is by the fixed-bias circuit. The supply voltage is connected to the transistor`s base terminal trough the R1 cu...
2n3906 schematic – Circuit Schematic
2n3906 schematic
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kode kunci satu transistor – Circuit Schematic
kode kunci satu transistor
This is of course the simplest electronic code lock circuit one can make. The circuit uses one transistor, a relay and few passive components. The simplicity do...
in circuit transistor checker – Circuit Schematic
in circuit transistor checker
This simple circuit has helped me out on many occasions. It is able to check transistors, in the circuit, down to 40 ohms across the collector-base or base-emit...
100 transistor circuits – Circuit Schematic
100 transistor circuits
A simple way to produce your own speaker transformer by winding turns on a piece of ferrite rod. The primary winding is made by winding 300 turns of 0. 01mm wir...
2n2907 in reverse unit project – Circuit Schematic
2n2907 in reverse unit project
The reverse unit project schematic design uses semiconductors such radial polarized capacitor, 2N2907 PNP General Purpose Amplifier, N-Channel MOSFET with Schot...