Published:2011/7/18 20:59:00 Author:Borg | Keyword: auto speed changer, Buick-MPV
The 4T65E auto speed changer circuit of Shanghai GM Buick-MPV (1)
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Published:2011/7/18 21:03:00 Author:Borg | Keyword: engine injector, Buick-MPV
The 3.0L engine injector circuit of Shanghai GM Buick-MPV (GL8)
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Published:2011/7/17 22:47:00 Author:Borg | Keyword: power MOSFET, grid drive
The power MOSFET grid drive circuit is the 6-line integrated IC drive core IR2130 produced by IR Corp. In the IC, there are the over-current/voltage and low voltage protection, lock and indication circuit, so the users can conveniently use it to protect the power MOSFET under drive. IR2130 controls the 3 power tubes with the internal bootstrap technique. In the real system, the bootstrap capacitor reacts slowly, the system separator DC-DC provides with power for the circuit on the bridge arm power MOSFET.
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Published:2011/7/16 8:18:00 Author:Michel | Keyword: Decoding Intergrated Circuit
PCMl716E is senior DAC decoding integrated circuit designed by America BB company and it is designed for high-grade CD and DVD.
First,PCMl716E Functions and Features
PCMl716E adopts a modified multilevel AE which can obtain more excellent dynamic performance and reduce the chip's sensitive degree to clock jitter .It has the following main features.
(1)It is able to deal with the digital audio signal of 24 bit96KHZ specification and it also supports the the audio data of previous 16 bit 2 Obit precision.And the sampling frequency coverage is from 16 KHz to 96 KHz.
(2)Total harmonic distortion is 96 dB and dynamic range is 106 dB. (View)
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Published:2011/7/17 22:36:00 Author:Borg | Keyword: power drive circuit
The power drive circuit is shown as above.
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Published:2011/7/17 21:14:00 Author:Borg | Keyword: low-power switch, power supply
EE-20 core can be used when it is under 15W; the density of the coil current would better be under 1A/mm; the air-gap of between the cores is 0.2-.08. (View)
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Published:2011/7/17 22:35:00 Author:Borg | Keyword: serial, communication connector
The serial communication connector circuit of TMS320F2812 is shown as above.
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Published:2011/7/17 21:06:00 Author:Borg | Keyword: pre-stable circuit
The BUCK pre-stable circuit is shown as above.
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Published:2011/7/17 21:34:00 Author:Borg | Keyword: charger principle circuit, e-bicycle
The charger principle circuit of the intelligent pulse e-bicycle is shown as above.
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Published:2011/7/17 21:05:00 Author:Borg | Keyword: raysonic
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Published:2011/7/17 21:36:00 Author:Borg | Keyword: priciple circuit, e-bicycle
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Published:2011/7/17 21:38:00 Author:Borg | Keyword: charger circuit, e-bicycle
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Published:2011/7/17 22:07:00 Author:Borg | Keyword: bridge, sidetone removing
The bridge sidetone removing circuit is shown as above.
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Published:2011/7/17 22:11:00 Author:Borg | Keyword: phase offset, sidetone
The phase offset sidetone circuit is shown as above.
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Published:2011/7/17 21:39:00 Author:Borg | Keyword: power supply circuit, TV screen
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Published:2011/7/17 21:41:00 Author:Borg | Keyword: video amplifier
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Published:2011/7/16 10:39:00 Author:Michel | Keyword: Storage Integrated Circuit
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Published:2011/7/11 6:21:00 Author:Lucas | Keyword: control circuit, main features , pin , DC-DC circuit , power supply monitor
μPC1094 switching regulator control circuit
The standby current is 1.6mA; the output stage is the totem pole circuit, and the maximum output capacity is 1.2A; it can directly control the power MOS FET; the maximum supply voltage is 26V; the maximum output voltage is 26V; the maximum DC output is 100mA.
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Published:2011/7/11 6:13:00 Author:Lucas | Keyword: control circuit, main features , pin , DC-DC circuit , power supply monitor
μA78S40 switching regulator control circuit
It is composed of 1.3V reference voltage, oscillator, current limit circuit, error amplifier, switching transistor, switching diode and operational amplifier; it may constitute boost, buck and switching regulator; supply voltage range is 2.5 ~ 40V; output voltage range is 1.3 ~ 40V; the maximum power diode reverse voltage is 40V; maximum reference current is 10mA; the maximum current flowing power diode and transistoris 1.5A; plastic power is 1.5W, ceramic sealing is 1.0W; μA78S40M operating temperature is -55 ~ +125 ℃, μA78S40C is 0 ~ +70 ℃.
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Published:2011/7/11 6:26:00 Author:Lucas | Keyword: control circuit , main features , pin , DC-DC circuit , power supply monitor
W494 switching regulator control circuit
It is the switching regulator control circuit with fixed frequency; frequency range is 1 ~ 300kHz; output voltage is 40V; output current is 200mA; output level can select single-end or push-pull way; it is equipped 5V ± 5% reference voltage with adjustable resting time; the maximum input voltage is 42V; oscillator can be externally synchronized. Swapping types: TL494, μA494.
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