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Index 1817

RSM002P03、RSR015P03、RSR020P03 internal circuit

Published:2011/6/7 0:26:00 Author:John

RSM002P03、RSR015P03、RSR020P03 internal circuit is shown in the following. (View)

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EGA monitor CTX-C146 power supply circuit

Published:2011/6/7 0:26:00 Author:John | Keyword: EGA monitor

EGA monitor CTX-C146 power supply circuit is shown below. (View)

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RSR025P03、RSU002P03 internal circuit

Published:2011/6/7 0:25:00 Author:John

RSR025P03、RSU002P03 internal circuit is shown in the following. (View)

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Field-effect transistor RTF015N03、RTF025N03、RTR025N03 internal circuit

Published:2011/6/5 4:14:00 Author:John | Keyword: Field-effect transistor

Field-effect transistor RTF015N03、RTF025N03、RTR025N03 internal circuit is shown below. (View)

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IBM 2110-002 type SVGA color display power supply circuit

Published:2011/6/5 4:35:00 Author:John | Keyword: color display

IBM 2110-002 type SVGA color display power supply circuit is shown below. (View)

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printing control double-sheet photosensitive circuit

Published:2011/6/5 4:48:00 Author:John | Keyword: double-sheet photosensitive circuit

printing control double-sheet photosensitive circuit
In the figure, 6.3V of the transformer is used to power indicator and 2.5V of the transformer is used for polymer optical beads. When light exposure of 3DU13 is not blocked, the current can up to 8.5mA. When there is a piece of paper blocks the light, the current is only 5 ~ 6mA. But the relay is still working at this time. When there are 2 sheets of paper blocks the light, the current is only 3 ~ 4mA. And the relay stops working. Utilize this principle to control pharmaceutical printing by working with a single paper. Mechanical action by the relay can drive iron absorption switch of 5kg to take a series of mechanical motion control or to connect alarms to the police. (View)

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SVGA multi-frequency LYMIC 214S type color display power supply circuit

Published:2011/6/5 4:52:00 Author:John | Keyword: color display

SVGA multi-frequency LYMIC 214S type color display power supply circuit is shown in the following. (View)

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VGA and NEC JC-1404HMN-1 type multi-frequency TTL color display power supply circuit

Published:2011/6/5 4:55:00 Author:John | Keyword: multi-frequency TTL color display

VGA and NEC JC-1404HMN-1 type multi-frequency TTL color display power supply circuit is shown below. (View)

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6-nary counter( achieved by T4290 setting method)

Published:2011/6/5 9:38:00 Author:John | Keyword: 6-nary counter

6-nary counter( achieved by T4290 setting method)
Referring to this problem, first of all, the concept of the counter should be extended. It is not necessary to start counting from state 0. It can start from any state (initial value) and experience N valid count state. Then it would count back to the initial value to form a count cycle. Such is also available to constitute the N nary counter. With setting method, N nary counter starts from the set value and is in the original count cycle. When set side is invalid, it cycles according to the original counting order. When set side is effective, original counting order is forced to disconnect. It comes back to the initial value (set value) for re-starting the next counting cycle. (View)

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VGA multi-frequency color display GREAT WALL GW-140140H type power supply circuit

Published:2011/6/5 9:40:00 Author:John | Keyword: multi-frequency color display

VGA multi-frequency color display GREAT WALL GW-140140H type power supply circuit is shown below. (View)

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10-nary three-yard subtraction counter circuit

Published:2011/6/5 9:55:00 Author:John | Keyword: subtraction counter

Connection: power supply VCC, ground GND; Enable effective function and M=1 subtraction counter; Connect output terminal to control preset number control terminal (LD), just as shown in Figure 1. 10-nary three-yard subtraction counter circuit (Asynchronous preset number) Therefore during the basic method, the achieving method is the same regardless of the addition or subtraction counter. But it should be noted that it is necessary to draw the right state transition circuit for the design. And it is necessary to distinguish the circuit wirings of M = 0 (addition) and M = 1 (subtraction). (View)

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Field-effect transistor RSS095N05、RSS100N03、RSS125N03、RSS130N03 internal circuit

Published:2011/6/5 9:56:00 Author:John | Keyword: Field-effect transistor

Field-effect transistor RSS095N05、RSS100N03、RSS125N03、RSS130N03 internal circuit is shown below. (View)

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color display SAMPO KDS-1342E type power supply circuit

Published:2011/6/5 4:34:00 Author:John | Keyword: color display

Color display SAMPO KDS-1342E type power supply circuit is shown below. (View)

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color display IBM PC-I type power supply circuit

Published:2011/6/5 4:33:00 Author:John | Keyword: color display

Color display IBM PC-I type power supply circuit is shown below. (View)

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digital clock principle box circuit

Published:2011/6/5 4:32:00 Author:John | Keyword: digital clock, principle box

Digital clock system1. Digital clock constitutes: oscillator, divider, counter, decoder, display and other parts 2. The hours, minutes and seconds of the digital clock actually consist of 24 nary counter (00 - 23) and two 60 nary cascaded counters (00-59). 3. Design of a 60 nary counter4. Design of a 24nary counter5. Design of a cascaded counter Figure: digital clock principle box circuit (View)