N9938BU/309 DC Bias Variable Voltage Source option provides power to amplifiers under test and bias tower mounted amplifiers. This option recommends using the N9910X/713 Cable.

• Connector: SMB (m)
• Voltage: +1 to +32 V
• Resolution: 0.1 V
• Maximum current ²: 0.65 A
• DC current readout resolution: 0.01 A
• Maximum power²: 7 Watts
• Display read out: Voltage, Current
• Overload trip protection: Automatically engages when voltage source is on. The trip circuit can be reset from front panel without presetting or power cycling the analyzer.