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Index 1811

switching power supply constant current charger circuit

Published:2011/6/4 13:13:00 Author:John | Keyword: constant current charger

Switching power supply constant current charger circuit is shown below. (View)

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variable gain and differential-input instrumentation amplifier

Published:2011/6/4 13:14:00 Author:John | Keyword: instrumentation amplifier

Variable gain and differential-input instrumentation amplifier is shown below. (View)

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Quartz multivibrator circuit

Published:2011/6/4 13:15:00 Author:John | Keyword: Quartz multivibrator

Figure: Quartz multivibrator circuit (View)

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Field-effect transistor SP81、SP8K2、SP8K24 internal circuit

Published:2011/6/5 2:43:00 Author:John | Keyword: Field-effect transistor

Field-effect transistor SP81、SP8K2、SP8K24 internal circuit is shown below. (View)

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Field-effect transistor SP8J1、SP8J2、SP8J3、SP8J5 internal circuit

Published:2011/6/5 2:44:00 Author:John | Keyword: Field-effect transistor

Field-effect transistor SP8J1、SP8J2、SP8J3、SP8J5 internal circuit is shown below. (View)

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Five-divider frequency circuit

Published:2011/6/5 2:52:00 Author:John | Keyword: Five-divider frequency

Figure: Five-divider frequency circuitWhen the counting pulse is input from the INB, the output would be QB, QC and QD. Such would form quinary counter (also called five-divider frequency circuit), whose circuit is just as shown in Figure 2-3. Use four-trace oscilloscope to record the output waveform. (View)

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one switching-regulator circuit

Published:2011/6/4 13:28:00 Author:John | Keyword: switching-regulator

One switching-regulator circuit is shown in the following. (View)

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pic16c54 control Gree electronic sterilizer circuit

Published:2011/6/4 13:29:00 Author:John | Keyword: electronic sterilizer

pic16c54 control Gree electronic sterilizer circuit is shown in the following. (View)

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Field-effect transistor SP8M10、SP8M2、SP8M21、SP8M24 internal circuit

Published:2011/6/4 13:30:00 Author:John | Keyword: Field-effect transistor

Field-effect transistor SP8M10、SP8M2、SP8M21、SP8M24 internal circuit is shown below. (View)

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Symmetric multivibrator circuit

Published:2011/6/4 23:59:00 Author:John | Keyword: Symmetric multivibrator

Figure: Symmetric multivibrator circuitMultivibrator is a self-oscillation circuit. Because there is no stable working state, multivibrator is also known as non-steady-state circuit. Specifically, if the multivibrator is at the state 0 at the very beginning, it would keep the state 0 for a period of time and then automatically run into state 1afterwards. If it remains state 1 for a period of time, it will automatically transfer to state 0. Such transfer would occur again and again, outputting the rectangular wave. (View)

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Hainan Mazda parking sensor circuit

Published:2011/6/5 Author:John | Keyword: parking sensor

Hainan Mazda parking sensor circuit is shown below. (View)

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Herald M810 amplifier system control circuit( two)

Published:2011/6/5 0:02:00 Author:John | Keyword: amplifier

Herald M810 amplifier system control circuit( two) is shown below. (View)

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RQA0004PXDQS、RQA0005QXDQA、RQA0008RXDQS internal circuit

Published:2011/6/8 9:39:00 Author:John

RQA0004PXDQS、RQA0005QXDQA、RQA0008RXDQS internal circuit is shown in the following. (View)

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HF-10A type electromagnetic cooker circuit

Published:2011/6/5 22:12:00 Author:John | Keyword: electromagnetic cooker

HF-10A type electromagnetic cooker circuit is shown in the following. (View)

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Single remote control (multi-coding) circuit

Published:2011/6/5 22:10:00 Author:John | Keyword: Single remote control

Single remote control (multi-coding) circuit is shown below. (View)

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Yonghua M0-88 type electromagnetic cooker circuit

Published:2011/6/5 22:08:00 Author:John | Keyword: electromagnetic cooker

Yonghua M0-88 type electromagnetic cooker circuit is shown below. (View)

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prolonging signal light battery life circuit

Published:2011/6/5 10:52:00 Author:John | Keyword: prolonging signal light

prolonging signal light battery life circuit
Use former two out of 4011 CMOS’s 4 non-door to constitute a chopper oscillator. And use a 1MΩ potentiometer to change the duty cycle. If the third non-door is not connected, it is helpful to apply the input end of the fourth non-door into the integrated circuit (14). Before the power is turned, the potentiometer is firstly transferred to the middle position and then is regulated. In order to prolong the original battery life of 3 times, 50% duty cycle should be provided signal light with intermittent signal current and double voltage. (View)