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DongXin EL610 mobile phone maintenance circuit diagram

Published:2011/5/6 1:46:00 Author:Jessie | Keyword: mobile phone maintenance

DongXin EL610 mobile phone maintenance circuit diagram
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ATV_VIDEO_SAMPLER_CIRCUIT

Published:2009/6/19 4:39:00 Author:May

ATV_VIDEO_SAMPLER_CIRCUIT
This unit picks up your ATV signal by sampling the transmission line with negligible insertion loss. It uses 2 N connectors for input and output connections. A BNC connector is used on the video output. The detected output is connected to your rrtonitor and scope so that you can accu-rately adjust your transmitter for proper video and synch levels. TWo different models are provided.Both have relative power output meters, but one has greater accuracy. There are two PC controls, one for video level and the other for power output. (View)

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SIMPLE_VIDEO_AMPLIFIER

Published:2009/6/19 4:38:00 Author:May

SIMPLE_VIDEO_AMPLIFIER
Useful for interfacing B/W TV sets with a camera or computer, this amplifier has a bandwidth of ≥10 MHz and a gain of 3X. (View)

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2INSTRUMENTATION_AMPLIFIER

Published:2009/6/19 4:38:00 Author:May

2INSTRUMENTATION_AMPLIFIER
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Bodao S1000 mobile phone maintenance circuit diagram

Published:2011/5/6 1:45:00 Author:Jessie | Keyword: mobile phone maintenance

Bodao S1000 mobile phone maintenance circuit diagram
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Haier GD268E mobile phone maintenance circuit diagram

Published:2011/5/6 1:44:00 Author:Jessie | Keyword: mobile phone maintenance

Haier GD268E mobile phone maintenance circuit diagram
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SIMPLE_HIGH_CURRENT_MEASURER

Published:2009/6/19 4:35:00 Author:May

SIMPLE_HIGH_CURRENT_MEASURER
Testing heavy-load devices with a ten-amp maximum meter can be accomplished with this straightforward meter add-on. If done right, it could be made from a high-current extension cord. J1 and J2 are well-insulated jacks to accept meter probe tips. (View)

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ULTRA_LOW_NOISE_SINGLE_SUPPLY_INSTRUMENTATION_AMPLIFIER

Published:2009/6/19 4:35:00 Author:May

ULTRA_LOW_NOISE_SINGLE_SUPPLY_INSTRUMENTATION_AMPLIFIER
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LOW_POWER_INSTRUMENTATION_AMPLIFIER

Published:2009/6/19 4:34:00 Author:May

LOW_POWER_INSTRUMENTATION_AMPLIFIER
This amplifier requires less than 20 mA from a ±15-V supply. (View)

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Konka 5218 cell phone maintenance circuit diagram

Published:2011/5/6 1:42:00 Author:Jessie | Keyword: cell phone maintenance

Konka 5218 cell phone maintenance circuit diagram
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45_MHz_SOUND_IF_AMPLIFIER

Published:2009/6/19 4:34:00 Author:May

45_MHz_SOUND_IF_AMPLIFIER
An NE592 is used as a 4.5-MHz amplifier sound subcarrier in video applications. XTAL1 is a 4.5-MHz crystal or ceramic resonator. (View)

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FOUR_INPUT_MINIMUM_MAXIMUM_SELECTOR

Published:2009/6/19 4:34:00 Author:May

FOUR_INPUT_MINIMUM_MAXIMUM_SELECTOR
This circuit outputs the maximum (or the minimum) of the four input voltages V1, V2, V3, and V4. Each of these input voltages is in the range 0 to 5V. The output of the unit is the maximum of V1, V2, V3, and V4 if the control voltage input is 5V (i.e., logical 1). The output is the minimum of V1, V2, V3, and V4 if the control input is zero. By cascading N such units, one can select the maximum (or the minimum) of 3N + 1 input voltages. Thus if k is the number of input voltages, we need [(k+1)/3] units. (View)

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Buick headlamps circuit diagram (with the low beam control DRL)

Published:2011/5/6 1:40:00 Author:Jessie | Keyword: headlamps

Buick headlamps circuit diagram (with the low beam control DRL)
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Amoi A8 mobile breakdown maintenance circuit diagram

Published:2011/5/6 1:36:00 Author:Jessie | Keyword: mobile maintenance

Amoi A8 mobile breakdown maintenance circuit diagram
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GENERAL_PURPOSE_OUTPUT_AMPLIFIER

Published:2009/6/19 4:33:00 Author:May

GENERAL_PURPOSE_OUTPUT_AMPLIFIER
This general-purpose amplifier has a bandwidth of approximately 20 MHz and it uses an LM733/NE592 video amp IC. This circuit can be used as a line driver or as a LAN line driver. (View)