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517: Difference between revisions
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The external power supply and oscilloscope are connected by a removable cable | The external power supply and oscilloscope are connected by a removable cable | ||
with a Jones plug on one end and a Jones socket on the other end. | with a Jones plug on one end and a Jones socket on the other end. | ||
Units with serial numbers 101 | Units with serial numbers from 101 through 1739 use 12-pin Jones 2412 connectors; | ||
after that it is a 16-pin Jones connector. The voltages on the 12-pin connector are: | after that it is a 16-pin Jones connector. The voltages on the 12-pin connector are: | ||
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The 517 makes extensive use of the [[distributed amplifier]] concept. | The 517 makes extensive use of the [[distributed amplifier]] concept. | ||
Originally the 5XP CRT was used, | |||
which has 38V/cm vertical deflection sensitivity when operated with 24kV acceleration voltage. | which has 38V/cm vertical deflection sensitivity when operated with 24kV acceleration voltage. | ||
Since the vertical sensitivity at the input connector is 0.1V/cm, we can calculate that | |||
input connector to the vertical deflection plates is 380. | the voltage gain from the input connector to the vertical deflection plates is 380. | ||
For 4cm deflection, a 152-volt differential output swing is required. There are DC blocking | For 4cm deflection, a 152-volt differential output swing is required. There are DC blocking | ||
capacitors at various places in the signal path. The slowest sweep is 20 us/cm. The 517 is | capacitors at various places in the signal path. The slowest sweep is 20 us/cm. The 517 is | ||