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Index 441



The photoelectric logic circuit diagram

Published:2011/3/30 22:16:00 Author:Ecco | Keyword: photoelectric logic

The photoelectric logic circuit diagram
When Q1, Q2 phototransistors taking about 1075.4 IX(100 feet one candle) illumination, the output of Q3 is 0. When one or two phototransistorshave no or little illumination, the output of Q3 is positive or 1.   (View)

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The inside circuit diagram of crystal diode STTH6006TV1、STTH60L6TV、STTH6110TV1

Published:2011/4/1 1:32:00 Author:Ecco | Keyword: crystal diode

The inside circuit diagram of crystal diode STTH6006TV1、STTH60L6TV、STTH6110TV1
The inside circuit diagram of crystal diode STTH6006TV1、STTH60L6TV、STTH6110TV1 is as below:   (View)

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The interface circuit diagram between MT8880 and SCM

Published:2011/3/30 22:10:00 Author:Ecco | Keyword: interface circuit, SCM

The interface circuit diagram between MT8880 and SCM
The interface circuit diagram between MT8880 and PLCis as below:   (View)

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The serial connecting circuit diagram between the RS232 and SCM

Published:2011/3/30 22:10:00 Author:Ecco | Keyword: serial connecting circuit

The serial connecting circuit diagram between the RS232 and SCM
The serial connecting circuit diagram between the RS232 andSCM is as below:   (View)

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Motor vehicle steering flasher 12

Published:2011/4/21 1:06:00 Author:Ecco | Keyword: Motor vehicle, steering flasher

Motor vehicle steering flasher 12
The motor vehicle steering flasher described in the example uses high-power transistors as electronic switches, the circuit is simple, easy to make. The working principle The motor vehicle steering flasher is composed of the flash circuit resistors R1-R3. Capacitor C, diode VD, transistors V1, V2, it is shown in Figure 7-21. S is the vehicle turn signal switch; HLl and HL2 are the left turn signal and right turn signal respectively. Before turning signal switch S (in the center), the oscillator circuit composed of vl, v2, and external RC components does not work. Placing S in the L or R position, the oscillation circuit works, V2 makes intermittent conduction with a certain frequency , Ll or HL2 is flashing. Component selection RI-R3 selects 1/4W carbon film resistor or metal film resistors. C uses 25V electrolytic capacitors. VD uses lN5402 silicon rectifier diode. VI selects 3DGl2 or S8050 silicon NPN transistor; V2 uses 3AD30 germanium PNP transistors.   (View)

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The Circuit Of Dual Power Switch Of The CD4069

Published:2011/4/21 2:24:00 Author:TaoXi | Keyword: Dual Power Switch, Single-button Control

The Circuit Of Dual Power Switch Of The CD4069
The Circuit of dual power switch that compose Of the CD4069   (View)

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Three level circuit topology

Published:2011/4/21 2:16:00 Author:Nicole | Keyword: topology, three level

Three level circuit topology
Traditional two level inverting bridge can be divided into Buck and Boost circuit easily, adopting a similar way, we can divede the diode-clamped three-level inverter as shown in figure (a) into three level Buck and Boost circuit with valuable, after necessary improvement. They are as shown in figure (b) and figure (c).   (View)

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The configuration and pin circuit diagram of LM378

Published:2011/3/30 21:59:00 Author:Ecco | Keyword: configuration circuit, pin circuit

The configuration and pin circuit diagram of LM378
The configuration and pin circuit diagram of LM378 is as 7.46 shown. The main characteriatics: the supply is 10~35V, the output power is 4w, the input resistanceis 3kΩ, the gaining of voltage is 34dB, the bandwidth is 50KHz.   (View)

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Infrared sensor music socket circuit diagram with SR5553

Published:2011/4/2 2:51:00 Author:Ecco | Keyword: Infrared sensor, music socket

Infrared sensor music socket circuit diagram with SR5553
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Electronic dog triggered by footstep

Published:2011/4/1 1:45:00 Author:Ecco | Keyword: Electronic dog

Electronic dog triggered by footstep
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Coded transmitting circuit diagram composed of TC9148

Published:2011/4/1 4:04:00 Author:Ecco | Keyword: Coded transmitting

Coded transmitting circuit diagram composed of TC9148
Coded transmitting circuit diagram composed of TC9148 is as below: TC91 series infrared remote controlling coded integrated circuit is a massive integrated circuit which adopts CMOS technology. And TC9148 is a coded transmitting circuit. TC9149 and TC9150 are topical empty receiving circuits. >   (View)

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low power consumption single phase half-wave rectification capacitor filtering circuit diagram

Published:2011/4/20 21:16:00 Author:muriel | Keyword: low power consumption, single phase, half-wave rectification capacitor filtering

low power consumption single phase half-wave rectification capacitor filtering circuit diagram
low power consumption single phase half-wave rectification capacitor filtering circuit diagram is as shown   (View)

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74 series digital circuit of 74128 double dual input or negater line driver(50Ω)

Published:2011/4/1 4:20:00 Author:Ecco | Keyword: digital circuit , double input , negater line driver

74 series digital circuit of 74128 double dual input or negater line driver(50Ω)
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74 series digital circuit of 74S135 4 or gate/NOR gate

Published:2011/4/1 4:29:00 Author:Ecco | Keyword: digital circuit, or gate, NOR gate

74 series digital circuit of 74S135 4 or gate/NOR gate
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74 series digital circuit of 74HC131, 74LS131, 3 - 8 line decoder

Published:2011/4/2 3:51:00 Author:Ecco | Keyword: digital circuit , 3 - 8 line decoder

74 series digital circuit of 74HC131, 74LS131, 3 - 8 line decoder
74 series digital circuit diagram of 74HC131, 74LS131, 3 - 8 line decoder(with address latching)is as below:   (View)

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74 series digital circuit of 74125 74LS125A four buses buffer door(tristate)

Published:2011/4/2 3:52:00 Author:Ecco | Keyword: digital circuit, four buses buffer door

74 series digital circuit of 74125 74LS125A four buses buffer door(tristate)
74 series digital circuit of 74125 74LS125A four buses buffer door(tristate)

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74 series digital circuit of 74H102 input K- K negative edge trigger

Published:2011/4/2 4:04:00 Author:Ecco | Keyword: digital circuit, input K- K negative edge, trigger

74 series digital circuit of 74H102 input K- K negative edge trigger
74 series digital circuit of 74H102 input K- K negative edge trigger

74H102 input K- K negative edge trigger( with preset and removr terminal) Unsteady state. When the preset and remove terminal return in high level, the state could not be kept. And the level of Qo is equal to Q before eatablishing steadystate input.   (View)

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74 series digital circuit of 7492 74LS92 twelve frequency counter

Published:2011/4/2 4:04:00 Author:Ecco | Keyword: digital circuit, twelve frequency counter

74 series digital circuit of 7492 74LS92 twelve frequency counter
74 series digital circuit of 7492 74LS92 twelve frequency counter

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74 series digital circuit of 74LS77 74HC77 4-bit bistable latch

Published:2011/4/5 22:54:00 Author:Ecco | Keyword: digital circuit , 4-bit, bistable , latch

74 series digital circuit of 74LS77 74HC77 4-bit bistable latch
74LS77, 74HC77 4-bit bistable latch The Q's level from Qo to G, which is from high level to low level: G=allowable terminal.   (View)

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74 series digital circuit of 7482 2-bit binary full adder

Published:2011/4/5 22:52:00 Author:Ecco | Keyword: digital circuit , 2-bit binary, full adder

74 series digital circuit of 7482 2-bit binary  full adder
74 series digital circuit of 7482 2-bit binary  full adder

∑ output, and carry bit is produced by the second bit. 7482 2-bit binary full adder: To execute 2-bit binary addition.   (View)

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