The Model 7072 Semiconductor Matrix Card is designed specifically to handle low-level and high-impedance measurements encountered in semiconductor parametric tests on wafers and devices. This unique design provides two low-current circuits with specified 1pA maximum offset current for sensitive sub-picoamp measurement resolution and two C-V paths for measurement of Capacitance Voltage characteristics from DC to 1MHz. Four additional high-quality signal paths with <20pA offset current provide for general-purpose signal switching up to 100nA or 200V. Connections are 3-lug triax with the outer shell connected to chassis for safety and noise shielding. The center conductor is fully surrounded by the inner conducting shield, so that fully guarded measurements can be made to achieve higher isolation and to improve measurement speed and accuracy. Isolation relays on the low-current and C-V paths automatically disconnect unused circuits to achieve minimum interference and peak performance. The 707A or 708A mainframe allows each row (signal path) to be programmed for Break-Before-Make or Make-Before-Break operation. For applications requiring connections to a large number of devices or test points, the 7072 matrix can be expanded with additional cards. The low-current and C-V rows can be extended to other cards with coaxial jumpers. The other four high-quality signal paths connect directly to the 707A backplane for expansion.

• Two 1300V, sub-picoamp current paths
• Six 200V, 20pA paths
• For use with Model 2410 and Model 237 SMU
• 3-lug triaxial connections
• Compatible with Models 707A, 707B, 708A, and 708B

• Model 237-TRX-T 3-Slot Male to Dual 3-Lug Female Triax Tee Adapter (for Models 7072, 7072-HV, 7172, 7078-TRX Cables)
• Model 7078-TRX-BNC 3-Slot Male Triax to BNC Adapter (for Models 486, 487, 4801, 6514, 6517B, 7072, 7072-HV)
• Model 7078-TRX-3 Low-Noise Triax Cable, 0.9m (3ft) (for Models 236, 237, 238, 6514, 6517A, 6517B, 7072)
• Model 7078-TRX-10 Low-Noise Triax Cable, 3m (10ft) (for Models 236, 237, 238, 6514, 6517A, 6517B, 7072)
• Model 7078-TRX-TBC 3-Lug Female Triax Bulkhead Connector w/Cap

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