IC200PWR102擴展模塊
輔助電路有什麼作用?
答:300V直流電通過輔助電源開關管成為脈衝電流,通過輔助電源變壓器輸出二組交流電壓,一路經整流、三端穩壓器穩壓,輸出+5VSB,加到主板上作為待機電壓;另一路經整流濾波,輸出輔助20V電源,供給PWM等芯片工作。有了輔助電路,計算機就可以實現軟件開機、關機了。
IC200PWR102擴展模塊
回波損耗:在高頻場合,反映行波在保護設備的過渡點處被反射的比例,在這一參數下可直接衡量,保護器件與係統的涌波阻抗的匹配程度,對於數據傳輸係統,為防止位錯誤,係統的回波損耗大於20dB。
大放電電流(Imax):避雷器承受8/20波形的測試電流,而不引起損壞,保護器能承受2次這樣的大電流。
IC200PWR102擴展模塊
Compaq 223337-001 2mb WRAM PCI VGA
Compaq 223337-001 2mb WRAM PCI VGA
Dual Head AGP G45-MDHA16D/Ibm MGI Ibm 09N9237 MATROX 971-0301 MT061 Grafikkarte
Dual Head AGP G45-MDHA16D/Ibm MGI Ibm 09N9237 MATROX 971-0301 MT061 Grafikkarte
G250-MILA/8/0E5 MATROX 8MB AGP VIDEO CARD WITH VGA OUTPUT
G250-MILA/8/0E5 MATROX 8MB AGP VIDEO CARD WITH VGA OUTPUT
HP/Matrox 5064-7478 Matrox AGP Video Card 871-01 REV A
HP/Matrox 5064-7478 Matrox AGP Video Card 871-01 REV A
IBM/Matrox 728-02 VGA 8mb AGP 顯卡 01k4340 mil2a/8/ib2
IBM/Matrox 728-02 VGA 8mb AGP 顯卡 01k4340 mil2a/8/ib2
Matroc G550 32MB - Grafikkarte - AGP - VGA
Matroc G550 32MB - Grafikkarte - AGP - VGA
Matrox
Matrox 7089-02 rtx10 板顯卡
MATROX 904-04 64+ MDHA16G AGP GRAPHICS CARD
MATROX 904-04 64+ MDHA16G AGP GRAPHICS CARD
MATROX 906-01 MGI G4 MDHA32MB DUAL VGA AGP GRAPHICS CARD
MATROX 906-01 MGI G4 MDHA32MB DUAL VGA AGP GRAPHICS CARD
Matrox G Proa / 8BL/20 AGP
Matrox G Proa / 8BL/20 AGP
Matrox G Proa / 8BL/20 AGP
Matrox G Proa / 8BL/20 AGP
Matrox G Proa / 8BL/20 AGP
Matrox G Proa / 8BL/20 AGP
Matrox G Proa / 8BL/20 AGP
Matrox G Proa / 8BL/20 AGP
Matrox G Proa / 8BL/20 AGP
Matrox G Proa / 8BL/20 AGP
Matrox G Proa / 8BL/20 AGP
Matrox G Proa / 8BL/20 AGP
Matrox G+/PROA/8BL/20 AGP
Matrox G+/PROA/8BL/20 AGP
Matrox G100a/4/OEM G100a/4bf/20 MGA-G100A Chip 4MB Sgram AGP Graphic Card 790-01
Matrox G100a/4/OEM G100a/4bf/20 MGA-G100A Chip 4MB Sgram AGP Graphic Card 790-01