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HA17301P датащи(PDF) 5 Page - Hitachi Semiconductor |
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HA17301P датащи(HTML) 5 Page - Hitachi Semiconductor |
5 / 14 page HA17301P 5 Inverting Amplifier There are three bias techniques for biasing the inverting amplifier, the single power supply bias technique, the NV BE bias technique, and the load voltage bias technique. 1. Single Power Supply Bias Technique Figure 2 shows a common AC amplifier that is biased by the same power supply as the supply that operates the amplifier. Vout R2 500 k Cin R1 50 k Ω 0.1 µF VD − VD + Vin R3 = 2R2 1 M Ω V + I + − + Figure 2 Single Power Supply Bias Technique = − R2 R1 Vout Vin (1) 2. NV BE Bias Technique − + Cin 0.1 µF R1 100 k Ω R3 Vin 82 k Ω VRE R2 1 M Ω Vout I − I Figure 3 NV BE Bias Technique This is the most useful application of an inverting AC amplifier. In this circuit, the input bias voltage V BE for the inverting input is determined by the current that flows to ground through the resistor R3. = − R2 R1 Vout Vin (2) |
Аналогичный номер детали - HA17301P |
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Аналогичное описание - HA17301P |
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