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| 1SMA5928BT3资料 | |
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1SMA5928BT3 PDF Download |
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File Size : 116 KB
Manufacturer:ON Description:capacitor during the hold-mode is minimized. An effective solution to the read-out requirement involves the use of a 3N138 insulated-gate field-effect transistor (MOSFET) in the feedback loop. This transistor has a maximum gate-leakage current of 10pA; its loading on the charge holding capacitor is negligible. The open-loop voltage-gain of the system (Fig- ure 9) is approximately 100dB if the MOSFET is used in the source-follower mode with the CA3080A as the input ampli- fier. The open-loop output impedance (1/gM) of the 3N138 is approximately 220Ω because its transconductance is about 4,600µS at an operating current of 5mA. When the CA3080A drives the 3N138, the closed loop operational-amplifier output impedance characteristic is: |
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| 1PCS | 100PCS | 1K | 10K | ||
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型 号：1SMA5928BT3 厂 家：ON 封 装：2009 批 号：65000 数 量：SMA 说 明： |
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运 费： 所在地： 新旧程度： |
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