129: Difference between revisions

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To use [[sampling oscilloscope|sampling]] plug-ins in the 129, active output circuit cards are required.
To use [[sampling oscilloscope|sampling]] plug-ins in the 129, active output circuit cards are required.


The power supply of the 129 is linear and consists of a power transformer followed by uses silicon rectifiers, electrolytic
The power supply of the 129 is linear and consists of a power transformer followed by silicon rectifiers, electrolytic
capacitors, and then regulators.  Not all of the supply voltages are regulated.  A [[ZZ1000]] tube is used as the voltage reference.
capacitors, and then regulators.  Not all of the supply voltages are regulated.  A [[ZZ1000]] tube is used as the voltage reference.
The regulators (feedback amplifiers and output tubes) are all tube, except for the high-current -12.2V regulated supply.  This one
The regulators (feedback amplifiers and output tubes) are all tube, except for the high-current -12.2V regulated supply.  This one
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