Published:2011/4/5 20:32:00 Author:muriel | Keyword: Count, coding type , time delay
Count、coding type time delay circuit
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Published:2011/4/5 20:30:00 Author:muriel | Keyword: Count, coding type, time delay
Count、coding type time delay circuit
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Published:2011/4/6 4:19:00 Author:Rebekka | Keyword: Simple FET , class-A DC
Using AP500A as a promotion level. To handpick a pair of Hitachipipe K1058/J162 in the last stage. K1 and K2 are toggle switches. K1 canchange input signal channels; K2 used for loading disconnect when you shut down it and avoiding impingement. After installation rightly, you only need to adjust 4.7kΩ potentiometer and make the quiescent current of final amplifier tube 300mA.
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Published:2011/4/6 4:20:00 Author:Rebekka | Keyword: Parallel single-ended
FU29 Parallel single-ended 30W PA circuit diagram is shown as below.
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Published:2011/4/6 4:21:00 Author:Rebekka | Keyword: Over overload protection, fixed voltage power supply
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Published:2011/4/2 4:07:00 Author:Rebekka | Keyword: Grid voltage, fixed power supply
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Published:2011/4/2 4:05:00 Author:Rebekka | Keyword: 600mA Single lithium, battery charging
HYM4054 model itself afterLinear Technology's LTC4054 . It is suitable for USB charging. Themaximum charge current is800mA.
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Published:2011/4/2 4:03:00 Author:Rebekka | Keyword: bipolar fixed power supply
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Published:2011/4/2 4:02:00 Author:Rebekka | Keyword: USB mobile phone emergency charger
MAX1811 USB mobile phone emergency charger circuit diagram is shown as below.
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Published:2011/4/2 4:00:00 Author:Rebekka | Keyword: Auto battery charger
10A Auto battery charger circuit diagram is shown as below.
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Published:2011/4/11 1:44:00 Author:Rebekka | Keyword: car alarm
Here is the schematic diagram of the Car alarm circuit:
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Published:2011/4/2 3:59:00 Author:Rebekka | Keyword: Electric Bicycle, Battery Charger
The Electric Bicycle 36V Battery Charger Circuit Diagram is shown as below.
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Published:2011/4/2 3:58:00 Author:Rebekka | Keyword: 3.3v level converting
MP2104 5v Turn to 3.3v level converting circuit diagram is shown as below.
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Published:2011/4/2 3:58:00 Author:Rebekka | Keyword: Expanded voltage reduction application
MC34063 Expanded voltage reduction application circuit diagram is shown as below.
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Published:2011/4/11 2:02:00 Author:Rebekka | Keyword: dielectric medium,
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Published:2011/4/11 2:04:00 Author:Rebekka | Keyword: infrared remote control
Transmitter circuit:
Receiving circuit:
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Published:2011/4/11 1:52:00 Author:Rebekka | Keyword: SCM control
Here is the schematic diagram of the SCM control 74HC595 drive LED circuit:
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Published:2011/4/11 1:40:00 Author:Rebekka | Keyword: Transistor, internal circuit
Transistor BUB323Z internal circuit diagram is shown as below.
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Published:2011/4/2 3:55:00 Author:Rebekka | Keyword: eight rolling subtitles
Delay subroutine, clr, lcall, ajmp instruction are mainly used in the experiment. Through lighting p1.0 …..P1.7 by turns to achieve the results. The user can preliminary master the IO port operation of SCM by this study of program.
Reference program:
Experiment 1 the simplest eight rolling subtitles. Conect the P1 port of CPU(JP44) with JP32 part of the Eight light by a data cable 8PIN; You will see 8 lights flashingalternately.
org 0000h; Start ajmp loop org 0030h; To avoid the sensitive address of 00-30 at 0030h loop:mov p1,#0ffh; Turn off all the lights. clr p1.0; Turn on light p1.0lcall delay; To delay for a whole? clr p1.1; Turn on light p1.1 lcall delay clr p1.2; Turn on light p1.2 lcall delay clr p1.3; Turn on light p1.3 lcall delay clr p1.4; Turn on light p1.4 lcall delay clr p1.5; Turn on light p1.5 lcall delay clr p1.6; Turn on light p1.6 lcall delay clr p1.7; Turn on light p1.7 lcall delay AJMP LOOP; To re-run at the beginning of loop delay: mov r5,#20; Delay. d1: mov r6,#40 d2: mov r7,#248 djnz r7,$ djnz r6,d2 djnz r5,d1 ret end (View)
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Published:2011/4/2 3:32:00 Author:Rebekka | Keyword: fixed power supply , Current protected and adjustable
Current protected and adjustable 15V fixed power supply circuit diagram is shown as below.
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