The 6243/44 is a DC Voltage Current Source/Monitor featuring a wide source and measurement range as indicated below. 6243: Voltage 0 to ±110 V; Current 0 to ±2 A 6244: Voltage 0 to ±20 V; Current 0 to ±10 A The 6243/44 features high accuracy with a source resolution of 4-1/2 digits and a measurement resolution of 5-1/2 digits. As well as various types of sweeping functions and a capacity for measuring pulses with a minimum width of 1 ms. These features make the product a highly suitable power source, for characteristic testing systems testing characteristics and for evaluation in the research and development fields for semiconductors and other electronic components. The features of this product are indicated below. • Source, measurement range 6243: ±2 A up to ±32 V ±1 A up to ±64 V ±0.5 A up to ±110 V 6244: ±10 A up to ±7 V ±4 A up to ±20 V See Figure 1-1. • Voltage source/measurement range 6243: 320 mV-110 V 6244: 320 mV-20 V • Current source/measurement range 6243: 32 μA-2 A 6244: 320 μA-10 A • Voltage digits/measurement digits 6243: Source 4-1/2 digits/Measurement 5-1/2 digits 6244: Source 4-1/2 digits/Measurement 5-1/2 digits • Voltage source/measurement resolution 6243: Source 10 μV/Measurement 1 μV 6244: Source 10 μV/Measurement 1 μV • Current source/measurement resolution 6243: Source 1 nA/Measurement 100 pA 6244: Source 10 nA/Measurement 1 nA • Voltage source current measurement (VSIM)/Current source voltage measurement (ISVM) • Voltage source voltage measurement (VSVM)/Current source current measurement (ISIM) • Sink-enabled bipolar output • Minimum pulse width: 1 ms • Linear, log, random sweep functions for characteristic tests • Limiter (compliance), oscillation, overload, overheat detections • Synchronized operation by integrating 2 or more units of the 6243/44 • GPIB for integrating an automated measurement system as standard