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  • Collector-Base-Emitter Pin Identifier of Transistors

    2016-05-07 06:01:2760

    Figure 1 Parts List The circuit has been designed for transistors to determine whether the pin is emitter, base or collector as well as the type if NPN...

  • JUNKED_TRANSISTOR_REGULATORS

    2016-05-07 06:01:1859

    Old transistors can make excellent regulators. Simply use one as a Zener to control the base cur-rent to another transistor (Fig. 68-35A). If the pass ...

  • MULTIEMITTER_TRANSISTOR_ALTERNATES_BETWEEN_AND_OR_LOGIC

    2016-05-07 05:59:2560

    Circuit performs and function first, then or function. For integrated-circuit construction, few isolated lands ore needed.-P. M. Thompson, Logic Princi...

  • Three-phase motor transistor automatic limiting reversing ci

    2016-05-07 05:58:0360

    The circuitshown in the chart usestime relay KT, pulse transistor JJSB1, time relay,and ithas normally open, normally closed contacts with adjustable t...

  • One transistor FM receiver CIRCUIT (2N4416)

    2016-05-07 05:57:3474

    This article describes the One transistor FM receiver CIRCUIT (2N4416). The content is very simple, very helpful. Components in this article can help y...

  • two transistor operation

    2016-05-07 05:42:4361

    It has been interesting analyzing these radios. You have to give the Japanese credit for even making a radio that can drive a speaker with only 2 trans...

  • Regulator 0-30V 1A By Transistor (C1061)

    2016-05-07 05:28:5868

    This is simpledc voltageVariable regulator Circuit. I use the transistor 2SC1061 or H1061. It used for control current up to 1 Amp. The circuit use tra...

  • Transistor Arithmetic Product Wave Detector Circuit

    2016-05-07 05:27:2260

    The picture shows the arithmetic product wave detector circuit composed of dual-electrode transistor. The action of the circuit likes a amplifier. But ...

  • E-B-C Transistor Pin Identifier (CD4011)

    2016-05-07 05:24:1265

    Tests transistors and diodes for polarity Circuit diagram: Parts: R1,R2,R3,R10____10K 1/4W ResistorsR4,R5,R6_______100K 1/4W ResistorsR7,R8,R9________2...

  • UNIJUNCTION_TRANSISTOR_GENERATES_DESIRED_NUMBER_OF_PULSES

    2016-05-07 05:18:5060

    Number of pulses generated each time switch St is operated increases linearly from 0 to 140 as battery voltage is increased from 11 to 35 v. Charge tra...

  • TRANSISTORIZED_AM_RADIO

    2016-05-07 04:45:5959

    Shown is a schematic of a typical transistor AM radio. This circuit uses npn transistors. The circuit is generic; therefore, no specific values are giv...

  • Frequency Divider by one transistor BC549

    2016-05-07 04:22:0474

    This circuit designs to upward for divide by the frequency of a signal input , give down left just the half then to export come to the way output. Beca...

  • Stereo VU Booster Circuit using Transistors

    2016-05-07 04:16:5459

    This is a Stereo VU Booster circuit. In this circuit,? shown in the schematic diagram, transistor FCS9014 is used. Actually you can use almost any type...

  • COMPLEMENTARY_TRANSISTOR_DARLINGTON_

    2016-05-07 04:12:4460

    Use of complementary transistors virtually eliminates undesired offset voltages through cancelling action. Germanium transistors may be used in place o...

  • Relaxation Oscillation Circuit of Unijunction Transistor

    2016-05-07 04:12:1160

    The relaxion oscillating circuit which is composed of uijunction transistor is showed as the picture (a).The initial voltage of capacitor is set to 0.T...

  • Metal detector circuit electronic project using transistors

    2016-05-07 04:08:4673

    Sensors This metal detector circuit electronic project is an very simple circuit that is based on common electronic parts . This metal detector circuit...

  • Invention History of Phototransistor and Photodiode

    2016-05-07 03:59:4060

    Before touching the main topic of the invention history of the phototransistors, it is important to have a basic understanding on what phototransistors...

  • The FM modulation circuit composed of transistors

    2016-05-07 03:51:3159

    In the circuit, VT2 and VT3 are the multi-resonance oscillator circuit which is coupled by emitters, VT4 and VT5 compose the constant current circuit, ...

  • Transistors UHF tuner circuit

    2016-05-07 03:49:0463

    In the circuit, the adjustable prestage is composed of transistor AF279, and the natural oscillation mixer stage consists of transistor AF280. The powe...

  • Single Transistor Relay Toggle Circuit

    2016-05-07 03:45:2262

    The circuit below requires a double pole, double throw relay in conjunction with a single transistor to allow toggling the relay with a momentary push ...

  • MOSFET-Metal Oxide Semiconductor Transistor

    2016-05-07 03:38:5865

    Introduction to MOSFET-Metal Oxide Semiconductor Field Effect Transistor, MOSFET-Schematic symbol Metal-oxide-semiconductor field-effect transistor (MO...

  • Transistor DDC123JH, DDC123JH-7, DDC124EH-7, DDC143EH-7 inte

    2016-05-07 03:29:2059

    Transistor DDC123JH, DDC123JH-7, DDC124EH-7, DDC143EH-7 internal circuit diagram is shown as below....

  • Transistor Capacitance Meter

    2016-05-07 03:22:5764

    This is a circuit diagram Capacitance meter, where the circuits use transistors rather than the logic gate. On this circuit using a pnp transistor, you...

  • Using Multiple Phototransistors

    2016-05-07 03:18:1759

    More than one phototransitor can be connected to a single voltage comparator. This would allow transistors to be placed along a section of track to ind...

  • Programmable Unijunction Transistor Flasher Circuit

    2016-05-07 03:05:5060

    This is simple circuit that illustrates the function of the programmable unijunction transistor. It may be quickly wired on a proto-board.PUT Flasher S...

  • NUVISTOR_TRANSISTOR_CASCODED_TV_CAMERA_PREAMP

    2016-05-07 03:05:4159

    Noise figure is 3 db and video bandwidth about 6 Mc. Used with uvicon camera tube for ultraviolent telescope,-R. N. Riggs, Ultraviolet Space Telescop...

  • Transistorized flashers

    2016-05-07 02:50:3060

    Transistors Ql and Q2 are connected as a free running multivibrator. The output, at the emitter of Q2, drives the base of the common emitter amplifier ...

  • TRANSISTOR_BETA_DISPLAY

    2016-05-07 02:50:1463

    Falloff in beta with increasing collector current is displayed on auxiliary cro over range of 0 to 200 ma, for constant collector voltages up to 8 v.-R...

  • RESISTOR_TRANSISTOR_NAND_NOR_GATE

    2016-05-07 02:13:0160

    For integrated circuits, 100.ohm resistor in base lead of each transistor reduces waste curl rent, increases fan-out, and gives logic swing of 1 v.-A. ...

  • LM317 Regulator With Pass Transistor (1N4002)

    2016-05-07 02:03:4074

    This article describes the LM317 Regulator With Pass Transistor (1N4002). The principle is very simple, very practical. The circuit components can help...

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