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  • Lm317t Voltage Regulator With Pass Transistor electronic cir

    2016-05-07 23:49:1260

    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...

  • Transistor Online Detector Circuit Diagram

    2016-05-07 23:27:2061

    Transistor online detector can test whether the transistor is good or bad without disassembling the transistor. Its working principle is as shown in th...

  • TRANSISTORIZED_FREE_RUNNING_CASCODE_MULTIVIBRATOR

    2016-05-07 23:07:1560

    Output waveform can be rectangular or sawtooth, with polarity depending on setting of potentiometer. -C. Sing, Advantages of Free-Running Cascade Multi...

  • FET-Field Effect Transistors-Introduction

    2016-05-07 22:55:5063

    INTRODUCTION to FET-Field Effect Transistor So far we have discussed the circuit applications of ordinary transistors, in which both holes and electron...

  • The circuit of transistor characteristic curve depicting ins

    2016-05-07 22:41:5461

    See as figure (a), the circuit consists of a sawtooth wave generator and a step wave generator. As depicting transistor characteristics needs two volta...

  • Transistorized Am Radio Circuit

    2016-05-07 22:32:2375

    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...

  • Transistor ringing current generator

    2016-05-07 21:52:2162

    Transistorringing current generatorchanges 24V DC into 60 ~ 90V AC ringing voltage for the supply of communications equipment, such as carrier, high-fr...

  • Single-junction transistor sine wave oscillator

    2016-05-07 21:42:1160

    The single-junction transistor is often used in sawtooth generator and pulse generator, but it may also constitute a simple sine wave generator circuit...

  • TRANSISTOR_AS_ATTENUATOR

    2016-05-07 21:41:5061

    Servo-type agc for transistor receivers holds audio output constant despite changes in r-f input. Wideband low-noise amplifier is used in transmission ...

  • Photoelectric transistors and two-way thyristor circuit cont

    2016-05-07 21:30:5262

    In this circuit, photoelectric transistor controls thyristor T's conduction angles by incident light. It adds 220V AC voltage on A,B, and La is the loa...

  • CAPACITIVE_TRANSISTOR_SYNC_LOCK

    2016-05-07 21:27:5259

    Provides stable sync lock of signal generator against noise interference on tv station relay lines.-Y. Fujimura and N. Mii, Automatic Frequency Control...

  • Transistor Capacitance Meter Circuit

    2016-05-07 21:23:0262

    This is a circuit that can be used to meter the capacitance. This circuit is similar to previous meter circuit. It has a little difference, this circui...

  • 2012 Welcomes 3D Transistors!!

    2016-05-07 21:10:0360

    3D Transistor A transistor is the fundamental building block of all electronic devices.  .  A transistor can be defined as a device, which is used to...

  • Transistor Pulse Generator

    2016-05-07 20:54:0160

    Seven-V narrow pulses from 2 Hz to 50 kHz are produced by this circuit. CI through C4 provide frequency ranges i n decode steps. Rl and R2 control the ...

  • TRANSISTORS_FOR_MIXER_AND_VR_TUBES

    2016-05-07 20:47:1859

    Premixer V6 in Drake T-4XB transmitter is replaced by dual-cascode MOSFETs, with CR4 protecting MOSFET from keyed-ground circuit. High-level mixer V7 o...

  • Mono Preamp with Small Transformer and Two Transistors

    2016-05-07 20:38:3160

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

  • TRANSISTORS_SENSE_TEMPERATURE

    2016-05-07 20:24:5160

    Transistor Q1, nounted in tight thermal contact with heater R7, will maintain crystal oven within 0.2℃ of 70℃.-S. Greenblatt, Transistor Be-comes S...

  • TRANSISTOR_PULSE_GENERATOR

    2016-05-07 20:20:0661

    Seven-V narrow pulses from 2 Hz to 50 kHz are produced by this circuit. C1 through C4 provide frequency ranges in decode steps. R1 and R2 control the c...

  • TRANSISTORIZED_GEIGER_COUNTER

    2016-05-07 20:11:5459

    Rate-meter circuit converts output of halogen-type counter directly into meter indication corresponding to radiation intensity. Counter triggers two-tr...

  • HIGH_SPEED_TRANSISTOR_RELAY

    2016-05-07 20:09:0860

    Push-pull switch handles up to 10 amp with rise time of 50 microsec. Rising d-c voltage at input produces no output until predetermined level is reache...

  • 10_KC_SINGLE_TRANSISTOR_COLPITTS

    2016-05-07 20:07:4363

    Total temperature drift rate is only 0.035%/℃, determined by coil core material. For higher frequency stability, frequency-determining network should...

  • Bipolar Junction Transistors 2

    2016-05-07 19:47:2960

    Experiments were conducted on this circuit and the minimum and maximum frequency and corresponding measured DC voltage on the BJT emitters for each was...

  • TeraHertz Transistors

    2016-05-07 19:44:2459

    Terahertz transistors are the new generation semiconductor transistors developed by Intel Corporation. The researchers in Intel had developed a new tra...

  • Transistor Phase Shift Oscillator

    2016-05-07 19:35:2678

    RC Phase shift oscillator. RC phase shift oscillator or simply RC oscillator is a type of oscillator where a simple RC network (resistor-capacitor) net...

  • FIVE_SILICON_TRANSISTORS_BUILD_15_MV_SIGNAL_210_V_AT_5_W

    2016-05-07 19:32:3859

    Nulling amplifier energizes control winding of servomotor for error-signal inputs of only few millivolts, using two voltage amplifiers, driver, and pus...

  • How to build Single Transistor Relay Toggle Circuit

    2016-05-07 19:28:5263

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

  • Astable Multivibrator with 2 Transistors

    2016-05-07 19:06:2360

    This circuit is basically simple and easy to build, it uses two transistors as active components and a few passive components like resistors, capacitor...

  • PHOTOTRANSISTOR_IR_RECEIVER

    2016-05-07 18:59:0059

    This receiver uses an op amp and a phototransistor as a recetver for IR signals. Q1 is a phototransistor. The op amp is CMOS or FET, such as a TL081, e...

  • 3DU series silicon phototransistor package type and dimensio

    2016-05-07 18:49:0560

    The 3DU series silicon phototransistor can be used in the nearing infrared detector circuit, the optical coupling circuit, the encoder circuit, the cha...

  • One Transistor Pump Building Block

    2016-05-07 18:47:2159

    This is a one transistor pump circuit. This is a very simple circuit and very helpful, you can use it as a building block for designing more complex el...

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