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The HP 4156A Precision Semiconductor Parameter Analyzer offers four built-in source/monitor units (SMUs), two voltage source units (VSUs), and two voltage monitor units (VMUs). It utilizes full kelvin remote sensing on each SMU. At any time, you can add the HP 41501A SMU and Pulse Generator Expander, which is supplied with a 0 V/1.6 A Ground Unit. The expander accepts two 100 mA / 100 V SMUs or one 1 A / 200 V SMU, and two specially synchronized 40 V / 200 mA / us pulse generators. The HP 4156A can perform staircase and pulse sweep measurement, and sampling (time domain) measurement using many measurement units, including units in the HP 41501A, without changing connections. Moreover you can easily perform stress-measure cycling test for reliability evaluation such as hot carrier injection and flash EEPROM test. Voltage Source Unit (VSU) Characteristics. Number of sources: 2. Maximum voltage: 20 V. Maximum current: 100 rnA. Voltage Monitor Unit (VMU) Characteristics. Number of monitors: 2. Voltage range: 0.2, 2, 20. Measurement resolution: Normal mode: 2 uV. Differential measurement mode: 1 uV. Synchronized stress/measure function, two high-voltage pulse generator units (± 40 V) . Time domain measurement: 60 us - variable intervals, up to 10,001 points.
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