The TEKTRONIX USB-488 GPIB to USB Adapter bridges legacy GPIB instruments to modern USB-equipped computers. This IEEE 488.2-compliant interface adapter enables control and data acquisition from GPIB-equipped instruments via standard USB 2.0 connections, eliminating the need for dedicated GPIB controller cards. The adapter connects directly to instruments without hub support—one adapter controls one instrument. Power is drawn from the USB host (less than 500 mA at 5 VDC) or an optional external supply.
Technical Specifications
IEEE 488 Compliance
• IEEE 488.2 standard
• GPIB primary address assignable where supported by instrument; defaults to address 1 if protocol not supported
• EOI line termination; PMT not configurable
• Secondary addressing not supported
USB Interface
• USB 2.0 full-speed host (partial to full compliance)
• Modified USB TMC driver class
• No USB hub support
Power
• 5 VDC at less than 500 mA from USB host or optional external supply (Tektronix part 119-5883-00 or 119-8724-xx)
• Downstream consumption: less than 10 mA (typical Tektronix oscilloscope operation)
Physical
• Height: 48.25 mm (1.9 in)
• Width: 133.35 mm (5.25 in)
• Depth: 133.35 mm (5.25 in)
Environmental
• Operating: 0 °C to +50 °C, 10–90% RH (depending on temperature range)
• Non-operating: -20 °C to +60 °C, 5–90% RH (depending on temperature range)
– Key Features
• Direct USB 2.0 connection eliminates external controller hardware
• Assignable GPIB address support for multi-instrument configurations
• Low power draw compatible with standard USB ports
• External power option for instruments requiring higher current
– Typical Applications
• Automated test environments using legacy GPIB instruments
• Data logging and instrument control via computer interface
• Integration of Tektronix USBTMC-USB488 compliant instruments
– Compatibility & Integration
Designed for Tektronix instruments with USBTMC-USB488 compliant USB ports. Requires USB 2.0 host interface; USB hubs are not supported. Each adapter operates independently as a single instrument controller.
