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The '''Tektronix 285''' is a power supply that allows S-50 series heads ([[S-50]]/[[S-52]]/[[S-54]] pulse generators | The '''Tektronix 285''' is a power supply that allows S-50 series heads ([[S-50]]/[[S-52]]/[[S-54]] pulse generators | ||
or [[S-51]]/[[S-53]] trigger units) to be used as freestanding instruments instead of in an oscilloscope. | or [[S-51]]/[[S-53]] trigger units) to be used as freestanding instruments instead of in an oscilloscope. | ||
The 285 provides regulated +15 V and -12.2 V to the pulse head. | |||
The trigger signal from the head's rear connector is brought out on a [[BSM connector]] on the 285's front. | The trigger signal from the head's rear connector is brought out on a [[BSM connector]] on the 285's front. |