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  • THREE_TRANSISTOR_A_M_F_M_I_F_STRIP

    2016-05-08 17:19:0462

    Used in a-m/f-m portable radio. Only two stages operate on a-m.-R. A. Santilli and H. Thanos, Portable Radio Uses Drift-Field Transistors, Electronics,...

  • LOW_DISSIPATION_TRANSISTOR_OVERVOLT_AGE_FUSE

    2016-05-08 17:09:1661

    Series collector resistor lowers dissipation of fuse circuit during normal line voltages, and serves also as voltage regulator for transistors being pr...

  • 1A transistor integrated circuit driven by photoisolator

    2016-05-08 17:05:0061

    Any standard photoelectric isolator can produce enough output to meet the input current requirement of 1A power transistor. When it is without drive si...

  • SIX_TRANSISTOR_72_V_1_W_BROADCAST

    2016-05-08 16:38:3860

    Nominal sensitivity is 150 microvolts per meter. Zero-signal battery drain is 10 ma.- Transistor Manual, Seventh Edition, General Electric Co., 1964, p...

  • Mains Remote-Alert Circuit Using BC547 Transistor

    2016-05-08 16:35:5265

    Description: The following circuit shows about Mains Remote-Alert Circuit Diagram. Features: simple circuitry, the transmitted signal is conveyed into ...

  • Pulse generator circuit using two complementary transistors

    2016-05-08 16:33:1367

    It usestwo complementary transistorsto produce pointed pulse with theamplitude in 8V, rise time in 50nS+. This circuit pulse intermission is 1.4ms at t...

  • TRANSISTOR_CURVE_TRACER_1

    2016-05-08 16:02:1962

    Staircase wave-form generator supplies lest transistor with six values of base current during etch cycle, to develop family of curves for cro. Range sw...

  • 20 kHz Astable Multivibrator with Transistors

    2016-05-08 15:51:0165

    Astable multivibrator or oscillator circuit is based on positive feedback. We can design such circuit using op-amp, logic gates, or transistors. Here w...

  • Thyristor vs Transistor

    2016-05-08 15:45:0862

    Comparison of ?Thyristor and Transistor As already mentioned, transistors and thyristors are both semiconductor devices. They are now widely employed i...

  • Field-effect transistor RSS065N03、RSS070N05、RSS085N05、R

    2016-05-08 15:27:0164

    Field-effect transistor RSS065N03、RSS070N05、RSS085N05、RSS090N03 internal circuit is shown below....

  • Unijunction transistor delay circuit

    2016-05-08 15:01:5759

    The delay circuit which is composed of the unijunction transistor is as shown in figure 1. When the power supply is connected, the +28V power adds to t...

  • BUD42D Bipolar NPN Transistor for Light Ballast Applications

    2016-05-08 15:01:5575

    If you need abipolar NPN transistorwith dynamic characteristics and lot to lot minimum spread for your light ballast applications, you may consider the...

  • Two transistor siren

    2016-05-08 15:01:1870

    Description. Here is the circuit diagram of a simple two transistor alarm circuit that can be operated from a 9V PP3 battery. Here the two transistors ...

  • With a logic circuit, composed of diodes and transistors wav

    2016-05-08 14:57:1461

    With a logic circuit, composed of diodes and transistors waveform and its working circuit diagram shown as follow:...

  • TRANSISTOR_VOLTMETER

    2016-05-08 14:44:5764

    Has input impedance of 1 megohm per volt. D-c amplifier provides gain of 100,000.-W. Mosinski, Transistor Voltmeter is Accurate, Linear, Electronics, 3...

  • TRANSISTORIZED_CHRONOTRON_MEASURES_COAX_DELAY

    2016-05-08 14:31:4061

    Start switch triggers avalanche transistor Q1, generating millimicrosec pulse that travels down unknown cable and returns to trigger new pulse. Digital...

  • MESA_TRANSISTOR_TUNER_OSCILLATOR

    2016-05-08 14:24:4861

    Uses common-base transistor connection, which is regenerative at high frequencies. Additional feedback capacitance between emitter and collector assure...

  • SATURATED_TRANSISTOR_MEASUREMENT

    2016-05-08 14:24:3559

    Transistor under lest is biased to saturate collector to within 100 my of ground for 10-ma collector load. Operational trigger then trips when Vx is 1 ...

  • The Story & History of Transistor Invention

    2016-05-08 14:21:4960

    Transistors and its path of invention We all know transistor is an integral part of any electronic circuit/device. It is very rare to see any circuits ...

  • SINGLE_TRANSISTOR_AUTO_TACHOMETER

    2016-05-08 14:07:1463

    Uses zener diode to compensate for variations in 12-v supply. Meter is calibrated in rpm, using R3 for 0ncl adjustment. Range is 0 to 6,000 rpm. Input ...

  • 3_TRANSISTOR_UHF_TUNER

    2016-05-08 13:42:4064

    Conversion gain is up to 9 db and noise figure around 8 db, with drain of 18 ma at 12 v.-Transistors Provide Gain in TV Tuner, Electronics, 35:26,p 25....

  • Phototransistor chip structure schematic circuit

    2016-05-08 13:39:1060

    The phototransistor is the same as the conventional semiconductor transistor. It is the semiconductor tube that has the NPN or PNP structure with the s...

  • Two transistor AM radio receiver

    2016-05-08 13:25:4779

    This two transistor AM radio circuit is also called mini-radio. It uses only 2 transistors and few passive components which makes is very easy to be co...

  • Timer set for 30 minutes by transistor

    2016-05-08 13:23:52136

    This circuit is based on learning of the discharge and charge of the C, which can be used as a timer circuit and can be applied in the off electrical a...

  • An Application Circuit of Transistor Array

    2016-05-08 13:08:1666

    Here is the picture that presents the application circuits of Transistor Array...

  • Voltage Regulator with Op-Amp and Transistors

    2016-05-08 13:04:3479

    With feedback, we can do very much better and achieve a nearly perfect voltage source. We can see this principle which is shown in the circuit below. U...

  • FOUR_TRANSISTOR_TRF

    2016-05-08 13:00:2564

    Single-channel receiver fits into one temple piece of eyeglass frame, with ferrite antenna in other piece, and separate miniature earphone.-H. F. Cooke...

  • 250_MHz_BF_to_50_MHz_IF_mixer_using_a_2N3308_transistor

    2016-05-08 12:50:4863

    250 MHz BF to 50 MHz IF mixer using a 2N3308 transistor. The external local oscillator injection frequency is 300 MHz,The outputof the 2N3308 is tune...

  • The Fascinating Transistor-transistor Logic (TTL) Clock!

    2016-05-08 12:39:0391

    Before you involved yourself into this TTL clock development project, you should know some of the fact and history of the TTL, so you will knew it bett...

  • Mini Emergency Light by 9013 transistor

    2016-05-08 12:26:14407

    When you are born electricity problem switches off, should seek the system Emergency give the light. I begs for to advise Mini Emergency Light. By use ...

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