Published:2011/4/22 6:40:00 Author:May | Keyword: Intelligent, lead-acid battery, charger
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Published:2011/4/22 6:41:00 Author:May | Keyword: SCR, over zero, trigger voltage regulator
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Published:2011/4/22 5:58:00 Author:May | Keyword: push-pull driving
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Published:2011/4/22 5:59:00 Author:May | Keyword: Half-bridge driver
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Published:2011/4/22 6:01:00 Author:May | Keyword: driving, bipolar half-bridge
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Published:2011/4/22 6:01:00 Author:May | Keyword: driving, bipolar push-pull
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Published:2011/4/22 6:04:00 Author:May | Keyword: isolation driven, MOS tube
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Published:2011/4/22 6:03:00 Author:May | Keyword: two transistors, single-ended, forward transformation type, switching regulator
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Published:2011/4/22 6:05:00 Author:May | Keyword: directly driving, M06 tube
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Published:2011/4/22 6:06:00 Author:May | Keyword: directly driving bipolar type, power tube
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Published:2011/4/25 3:49:00 Author:May | Keyword: 555, temperature interval, control
As shown in diagram 20-3, control circuit includes step-down rectifying parts and temperature control parts. It is used for keeping certainly temperature interval occasions such as poultry hatching, biotic experiment, etc. IC (555) works on the state of dual stable mode.
RT is negative temperature factor thermistance (3kΩ), RT, R2~R4, RP1, RP2 make up control temperature divider voltage network. It can make pin 2, 6 of IC separately located in near 1/3VDD and 2/3VDD level by adjusting RP1 and RP2, in order to set or reset along with the changing of setting temperature (20℃~100℃), and it can pulled in or cut off J1, it can control the breaking over, cut off of electric heater, and it can adjust the temperature. (View)
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Published:2011/4/25 5:10:00 Author:May | Keyword: Color display, switching power supply
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Published:2011/4/25 5:08:00 Author:May | Keyword: Ordinary VHF, antenna amplifier
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Published:2011/4/25 5:07:00 Author:May | Keyword: Full Channel, TV antenna amplification
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Published:2011/4/25 5:19:00 Author:May | Keyword: Simple, shortwave signal, amplifier
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Published:2011/4/25 1:57:00 Author:May | Keyword: Rechargeable, flashlight
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Published:2011/4/25 2:15:00 Author:May | Keyword: Fast, Ni-MH battery charger
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Published:2011/4/25 2:17:00 Author:May | Keyword: Lithium battery charger
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Published:2011/4/22 6:15:00 Author:May | Keyword: NiMH / Ni-Cd battery, fast, charging controller
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Published:2011/4/25 2:20:00 Author:May | Keyword: Sprinter, Li-ion battery, smart charger, DC-DC voltage booster
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