6521 Keithley Coax Switch

Features:

• Low Current, 10-channel Scanner Card (for Model 6517B)
• 10 channels of multiplex switching
• Install directly in 6517B’s option slot
• Choose from low current scanning or high impedance voltage switching with low current switching
• <200µV contact potential
• <1pA offset current
• Compatible with Keithley’s Model 6517 and 6517A Electrometers

Specifications:

• Channels per card: 10
• Functions: Amps
• Contact configuration: Single pole, “break-beforemake” for signal HI input. Signal LO is common for all 10 channels and output. When a channel is off, signal HI is connected to signal LO
• Connector type: Inputs BNC, Outputs Triaxial
• Signal level: 30V, 500mA, 10VA (resistive load)

The Model 6521 Low Current Scanner Card is a 10-channel multiplexer, designed for switching low currents in multipoint testing applications or when the test configuration must be changed. Offset current on each channel is <1pA and high isolation is maintained between each channel (>1015?). The Model 6521 maintains the current path even when the channel is deselected, making it a true current switch. BNC input connectors help provide shielding for sensitive measurements and make the card compatible with low noise co axial cables. The Model 6521 is well suited for automating reverse leakage tests on semiconductor junctions or gate leakage tests on FETs.