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High Toggle Rate High Frequency Analog Switch

2015-01-12 20:53  
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This circuit is High Toggle Rate High Frequency Analog Switch. This commutator circuit provides low impedance gate drive to the 2N3970 analog switch for both on and off drive conditions. This circuit also approaches the ideal gate drive conditions for high frequency signal handling by providing a low ac impedance for off drive and high ac impedance for on drive to the 2N3970. The LH0005 op amp does the job of amplifying megahertz signals. Here is a schematic drawing:

High Toggle Rate High Frequency Analog Switch High Toggle Rate High Frequency Analog Switch

Source circuit: National Semiconductor Application








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