7403N: Difference between revisions

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4 bytes added ,  20 July 2020
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[[Phil Crosby]] led the design.
[[Phil Crosby]] led the design.
The design team decided to use a discrete transistor vertical output amplifier rather than a hybrid on beryllium oxide.  
The design team decided to use a discrete transistor vertical output amplifier rather than a hybrid on beryllium oxide.  
The output stage approximated a 3 pole MFED response with an additional real pole closer to the origin.  
The output stage approximated a 3 pole [[MFED response]] with an additional real pole closer to the origin.  
Since the DC requirement was 3 screen diameters, the gain at the -3db point could be substantially less,  
Since the DC requirement was 3 screen diameters, the gain at the -3db point could be substantially less,  
meaning that the load resistor (and output stage dissipation) could be reduced,
meaning that the load resistor (and output stage dissipation) could be reduced,

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