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

Revision as of 13:00, 4 August 2019

1103 front

The Tektronix 1103 is a standalone probe power supply that enables probes with Tekprobe BNC connectors to be used with older equipment.

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 VDC, 2.5 A supply, with switching regulators providing the four output voltages.

Key Specifications

Power input 87 to 128 VAC (low) or 174 to 250 VAC (high), 48 to 440 Hz, ≤35 W
Power output +15 V, −15 V, +5 V, −5 V ; ±2% each ; ≤300 mA each
Offset control +1 to −1 V, course and fine control, 0 V when disabled

Manual

Pictures

Internal PSU model

External PSU model

Connector