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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 LM317T and LM337T linear regulators with a mains-frequency transformer. | |||
A later model uses switching regulators fed from an external 12 V<sub>DC</sub>, 2.5 A supply. | |||
{{BeginSpecs}} | {{BeginSpecs}} |