The Agilent/Keysight 10438A is a 1:1 miniature passive probe engineered for direct connection to 50-ohm oscilloscope inputs. Part of the modular Keysight 10400 Series, this 1-meter probe delivers low-impedance, high-frequency measurement capability with minimal signal loading. Its narrow, sharp probe tip is optimized for surface mount device probing, while modular construction allows field replacement of tips, cables, and chassis assemblies.
– Technical Specifications
• Attenuation: 1:1
• Cable Length: 1 meter
• Cable Type: 50-ohm transmission line
• Input Impedance: Low (50-ohm compatible)
• Input Capacitance: Approximately 1 pF (at probe tip)
• Probe Family: Keysight 10400 Series
• Construction: Modular design for individual component replacement
– Key Features
• Narrow, sharp probe tip for surface mount technology access
• Minimal input capacitance reduces circuit loading
• Low input resistance suitable for low-impedance, high-frequency circuits
• Modular construction enables tip, cable, and chassis replacement
• 50-ohm transmission line architecture minimizes cable capacitance effects
– Typical Applications
• Surface mount device (SMD) probing
• High-frequency circuit characterization
• Low-impedance circuit measurements
• Direct 50-ohm oscilloscope input connection
– Compatibility & Integration
The 10438A connects directly to oscilloscopes with 50-ohm inputs. For use with high-impedance inputs, integrate a 50-ohm feed-thru termination. Standard accessory kit includes general-purpose grabber, integrated circuit grabber for 0.1-inch pitch IC pins, ground lead with ferrite bead for noise suppression, and barrel insulator.
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