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The '''Tektronix 1103''' is a standalone probe power supply that enables probes with [[Tekprobe BNC connector]]s to be used with older equipment. | The '''Tektronix 1103''' is a standalone probe power supply that enables probes with [[Tekprobe BNC connector]]s to be used with older equipment. | ||
The original version uses traditional | The original version uses a traditional linear power supply with a mains-frequency transformer and LM317T / LM337T regulators. | ||
Later versions changed to an external 12 V<sub>DC</sub>, 2.5 A supply, with switching regulators providing the four output voltages. | |||
{{BeginSpecs}} | {{BeginSpecs}} | ||