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  • 12_V_TO__11_V_WITH_TRANSISTORS

    2016-05-08 23:19:3061

    Bipolar inverter and rectifier together provide -11 V from 12-V auto battery for operdting highthreshold MOS logic of portable or automotive equipment....

  • The transistor lat

    2016-05-08 23:13:2664

    This circuit, it works similar to a SCR.When the trigger input is high, The transistor Q2 and Q1 will work,therefore a current flow to the base pin of ...

  • TRIPLER_WITH_OVERLAY_TRANSISTOR_GIVES_102_GC

    2016-05-08 23:04:4160

    Single overlay transistor eliminates conventional transistor amplifier and chain of varactor frequency multipliers. Output power is 3.5 w.-H. C. Lee an...

  • NEON_TRANSISTOR_RELAXATION

    2016-05-08 22:51:1486

    Operates over range of 0.05 to 7,000 cps by adjusting values of C1, C2, and R4. Average supply current drawn is less than 1 ma.-R. D. Ryan, Low-Cost Pu...

  • Ionization_chamber_smoke_detector_using_discrete_transistors

    2016-05-08 22:46:3061

    Ionization-chamber smoke detector using discrete transistors for alarm oscillators(Courtesy Motorola Semiconductor Products Inc.)....

  • RESISTOR_TRANSISTOR_NOR_GATE

    2016-05-08 22:26:5160

    Circuit is basic building block of binary full adder for high speed encoding Transistor is 2N1499.-S. C. Chao, High Speed Encoding with Resistor-Transi...

  • TRANSISTOR_MEASUREMENTS_AT_100_MC

    2016-05-08 22:17:5362

    Used to measure h-fe at 100 Mc, where all circuit parameters become more significant and make accurate measurements difficult. Circuit has provisions f...

  • Transistor regulator circuit (ISO3082DWG4)

    2016-05-08 21:38:4170

    This article describes the Transistor regulator circuit (ISO3082DWG4). The principle is very simple, very practical. The circuit components can help yo...

  • Bipolar transistor

    2016-05-08 21:23:3778

    One family of transistors is known as bipolar transistor(bipolar junction transistors BJTs) of which there are two basic types called NPN and PNP. Thes...

  • The grating circuit using transistor circuit

    2016-05-08 21:19:5859

    When the light on photosensitive element is interrupted, the circuit's relay operates. The photosensitive element and 100kΩ resistor form a voltage di...

  • Build an op amp with three discrete transistors

    2016-05-08 21:00:4462

    Lyle Russell Williams, St Charles, MO You can use three discrete transistors to build an operational amplifier with an open-loop gain greater than 1 mi...

  • Moisture Activated Relay by Bipolar Transistor

    2016-05-08 20:42:2696

    Today we try to build warn the moistness or Moisture Activated better. Or do go to use be warn it rains. Because of be the circuit is simple. Follow th...

  • Tachometer Circuit with Single Transistor

    2016-05-08 20:21:4061

    A schematic diagram of simple tachometer circuit is shown below. Using only a single transistor as the active component, this tachometer would probably...

  • Unijunction transistor sawtooth wave generator circuit

    2016-05-08 20:19:3561

    The sawtooth wave generator circuit is as shown in figure 1. It uses the unijunction transistor multivibrator as the foundation, and it has a emitter f...

  • The time delay circuit composed of transistors

    2016-05-08 20:02:2962

    In the circuit is the time delay circuit composed of transistors, which is connected with the loading after the delayed time. According to the resistan...

  • Capacitance Meter Circuit Using Transistors (LH0032)

    2016-05-08 19:24:2864

    This capacitance meter circuit is similar with previous meter circuit, but it uses transistors rather than logic gates. Here is the schematic diagram: ...

  • Electronic siren circuit with two transistor

    2016-05-08 19:23:0666

    Operation of the circuit is Q1 and Q2 will work with R3, R4 and C2 is afrequency generator circuitwith output connected to LED1 and speakers SP1. When ...

  • TRANSISTOR_INCREASES_ZENER_RATING

    2016-05-08 19:18:5359

    The simple zener shunt in A may not handle sufficient current if the zener available is of low wattage. A power transistor will do most of the work for...

  • Low-Cost Transistorised Intercom(BC548)

    2016-05-08 19:06:1874

    This article briefly describes the Low-Cost Transistorised Intercom (BC548). This principle is easy to understand, but also very practical. Depth under...

  • Lamp 6 volt flashing by two transistor

    2016-05-08 18:38:1291

    This be Lamp Flasher again model apply to Lamp small-sized 6 Volt, by use the principle Amplifier Circuit that use transistor 2 pcs. By have regenerati...

  • Pre MIC mono by 2 Transistor C945

    2016-05-08 18:28:33134

    This is low noise microphone preamplifier circuit, by 2 Transistor mono part name C945 or C828 or 2SC829 or C458. The supply volt is 12V 24V. Easy to b...

  • LM317T Voltage Regulator with Pass Transistor

    2016-05-08 18:26:3962

    The LM317T output current can be increased by using an additional power transistor to share a portion of the total current. The amount of current shari...

  • Unijunction Transistor Constitutive Thyristor Trigger Circui

    2016-05-08 18:21:1960

    The thyristor trigger circuit composed of unijunction transistor is showed as the picture 1 and its voltage waveform is showed as the picture.Compared ...

  • STANDARD_PARALLEL_TRANSISTOR_OUTPUT_DOUBLER

    2016-05-08 18:12:3959

    Input is tuned to 80 Mc and output to 160 Mc. Parallel tuned circuit with built-in trap is required in output circuit to suppress 80-Mc fundamental. Co...

  • L_I_N_E_A_R_TRANSISTORIZED_HORIZONTAL_SWEEP

    2016-05-08 18:12:1759

    Placing transformer in yoke circuit provides better thon 0.5% linearity for deflecting 16.inch crt having 52° defection angle and 15-kv accelercation ...

  • LM317T Voltage Regulator with Pass Transistor

    2016-05-08 18:05:4492

    Here is the circuit diagram for LM 317 T voltage regulator with pass transistor . Reprinted Url Of This Article: http://www.engineeringslash.com/power-...

  • Mono Preamp with Small Transformer and Two Transistors

    2016-05-08 18:05:1183

    The microphone preamplifier described here is a hybrid passive / active. A small transformer input provides a small contribution to the gain of all (ab...

  • Transistorized Bar-Graph Driver

    2016-05-08 17:44:06100

    A resistor network (Rl through RIO) with emitter followers (Ql and Q2) drives LED drivers (Q3 through Q7). This circuit was used as a `light organ` to ...

  • MOSFET-Metal Oxide Semiconductor Transistor

    2016-05-08 17:36:5664

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

  • Darlington Transistor Pair Logic Probe

    2016-05-08 17:22:2464

    Ideally, any testing equipment will not draw any current from the device under test. This ideal condition can be approximated by? designing a testing d...

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