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Lm317t Voltage Regulator With Pass Transistor electronic cir
2016-05-07 23:49:1270The 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...
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Transistor Online Detector Circuit Diagram
2016-05-07 23:27:2061Transistor online detector can test whether the transistor is good or bad without disassembling the transistor. Its working principle is as shown in th...
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TRANSISTORIZED_FREE_RUNNING_CASCODE_MULTIVIBRATOR
2016-05-07 23:07:1561Output waveform can be rectangular or sawtooth, with polarity depending on setting of potentiometer. -C. Sing, Advantages of Free-Running Cascade Multi...
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FET-Field Effect Transistors-Introduction
2016-05-07 22:55:5064INTRODUCTION to FET-Field Effect Transistor So far we have discussed the circuit applications of ordinary transistors, in which both holes and electron...
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The circuit of transistor characteristic curve depicting ins
2016-05-07 22:41:5462See as figure (a), the circuit consists of a sawtooth wave generator and a step wave generator. As depicting transistor characteristics needs two volta...
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Transistorized Am Radio Circuit
2016-05-07 22:32:2391Shown is a schematic of a typical transistor AM radio. This circuit uses npn transistors. The circuit is generic; therefore, no specific values are giv...
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Transistor ringing current generator
2016-05-07 21:52:2162Transistorringing current generatorchanges 24V DC into 60 ~ 90V AC ringing voltage for the supply of communications equipment, such as carrier, high-fr...
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Single-junction transistor sine wave oscillator
2016-05-07 21:42:1160The single-junction transistor is often used in sawtooth generator and pulse generator, but it may also constitute a simple sine wave generator circuit...
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TRANSISTOR_AS_ATTENUATOR
2016-05-07 21:41:5064Servo-type agc for transistor receivers holds audio output constant despite changes in r-f input. Wideband low-noise amplifier is used in transmission ...
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Photoelectric transistors and two-way thyristor circuit cont
2016-05-07 21:30:5262In 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...
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CAPACITIVE_TRANSISTOR_SYNC_LOCK
2016-05-07 21:27:5259Provides stable sync lock of signal generator against noise interference on tv station relay lines.-Y. Fujimura and N. Mii, Automatic Frequency Control...
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Transistor Capacitance Meter Circuit
2016-05-07 21:23:0262This 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...
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2012 Welcomes 3D Transistors!!
2016-05-07 21:10:03603D Transistor A transistor is the fundamental building block of all electronic devices. . A transistor can be defined as a device, which is used to...
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Transistor Pulse Generator
2016-05-07 20:54:0164Seven-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 ...
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TRANSISTORS_FOR_MIXER_AND_VR_TUBES
2016-05-07 20:47:1861Premixer 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...
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Mono Preamp with Small Transformer and Two Transistors
2016-05-07 20:38:3163The microphone preamplifier described here is a ‘hybrid’ passive / active. A small transformer input provides a small contribution to the gain of a...
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TRANSISTORS_SENSE_TEMPERATURE
2016-05-07 20:24:5161Transistor Q1, nounted in tight thermal contact with heater R7, will maintain crystal oven within 0.2℃ of 70℃.-S. Greenblatt, Transistor Be-comes S...
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TRANSISTOR_PULSE_GENERATOR
2016-05-07 20:20:0662Seven-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...
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TRANSISTORIZED_GEIGER_COUNTER
2016-05-07 20:11:5459Rate-meter circuit converts output of halogen-type counter directly into meter indication corresponding to radiation intensity. Counter triggers two-tr...
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HIGH_SPEED_TRANSISTOR_RELAY
2016-05-07 20:09:0862Push-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...
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10_KC_SINGLE_TRANSISTOR_COLPITTS
2016-05-07 20:07:4364Total temperature drift rate is only 0.035%/℃, determined by coil core material. For higher frequency stability, frequency-determining network should...
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Bipolar Junction Transistors 2
2016-05-07 19:47:2961Experiments were conducted on this circuit and the minimum and maximum frequency and corresponding measured DC voltage on the BJT emitters for each was...
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TeraHertz Transistors
2016-05-07 19:44:2459Terahertz transistors are the new generation semiconductor transistors developed by Intel Corporation. The researchers in Intel had developed a new tra...
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Transistor Phase Shift Oscillator
2016-05-07 19:35:2679RC Phase shift oscillator. RC phase shift oscillator or simply RC oscillator is a type of oscillator where a simple RC network (resistor-capacitor) net...
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FIVE_SILICON_TRANSISTORS_BUILD_15_MV_SIGNAL_210_V_AT_5_W
2016-05-07 19:32:3860Nulling amplifier energizes control winding of servomotor for error-signal inputs of only few millivolts, using two voltage amplifiers, driver, and pus...
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How to build Single Transistor Relay Toggle Circuit
2016-05-07 19:28:5264Description The circuit below requires a double pole, double throw relay in conjunction with a single transistor to allow toggling the relay with a mom...
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Astable Multivibrator with 2 Transistors
2016-05-07 19:06:2362This circuit is basically simple and easy to build, it uses two transistors as active components and a few passive components like resistors, capacitor...
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PHOTOTRANSISTOR_IR_RECEIVER
2016-05-07 18:59:0059This 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...
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3DU series silicon phototransistor package type and dimensio
2016-05-07 18:49:0561The 3DU series silicon phototransistor can be used in the nearing infrared detector circuit, the optical coupling circuit, the encoder circuit, the cha...
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One Transistor Pump Building Block
2016-05-07 18:47:2159This 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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