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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: partial bootstrap posted by mfc on July 31, 2003 at 21:03:14:
By the way, your reference to the extended bandwidth of this circuit vis-a-vis a single emitter follower is due to the combination of the source impedance (100 ohms in your example) and the interelectrode capacitances of the input device. The bootstrapped circuit forces all of the electrodes to "follow" the input, hence no charging current is required to charge the capacitances (that still exist, by the way). If you reduce the source impedance to zero, these bandwidth differences in your simulations will disappear. What does it all mean? Build it and listen and find out...Good luck,
Charles Hansen
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Follow Ups
- Further thoughts.... - Charles Hansen 07/31/0321:29:26 07/31/03 (0)
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