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Connection to the Tektronix mainframe is done via thee backplane. | Connection to the Tektronix mainframe is done via thee backplane. | ||
The four boards are: | The four boards are: | ||
* ADC and Register | * ADC and Register: The SIGNAL wire from pin 23A on the plug-in interface goes to the inverting input of an LM301 opamp via a resistance of around 165 kΩ. The noninverting input of this opamp is grounded. | ||
* Address | * Address | ||
* Control | * Control |