The Tektronix TPA-BNC is an interface adapter that bridges legacy TekProbe® products with modern TekVPI™-equipped oscilloscopes. It enables connection of existing TekProbe accessories—including active, differential, high-voltage, current, and optical probes—to newer Tektronix instruments without modification. The adapter supplies power, serial communication, and offset control to the attached probe while providing overcurrent and thermal overload protection. An LED indicator confirms successful probe initialization.
Technical Specifications
• Bandwidth: DC to greater than 3 GHz
• VSWR: Less than 1.23:1 up to 3 GHz
• RF Insertion Loss: Less than 0.25 dB
• Delay Time: 245 ps
• Maximum Input Signal Voltage: 42 Vpk-pk, 30 VRMS, 60 VDC
• Power Source: Oscilloscope TekVPI™ interface
• Operating Temperature: 0°C to +50°C
• Non-Operating Temperature: -40°C to +75°C
• Operating Humidity: 5% to 95% RH up to +30°C; 5% to 85% RH above +30°C to +50°C, non-condensing
• Operating Altitude: Up to 3,000 m (10,000 feet)
• Dimensions: 9.50 in. L × 6.25 in. W × 1.00 in. H
• Weight: 0.20 lbs (shipping)
– Key Features
• Backward compatibility with TekProbe-BNC interface products
• Input/output connectors: TekProbe-BNC to TekVPI™
• Integrated protection circuitry for probe integrity
• LED probe status indicator
• Low-loss RF performance across 3 GHz bandwidth
– Typical Applications
• Field upgrades for existing TekProbe installations
• Multi-probe measurement systems on TekVPI-compatible platforms
• High-voltage and differential signal acquisition
• Current and optical probe integration with modern oscilloscopes
– Compatibility & Integration
Designed for Tektronix DPO7000 and DPO4000 Series oscilloscopes; compatible with DPO2000, MSO2000, DPO3000, MSO3000, MDO4000, and MSO4000 models. Works with all TekProbe interface products.

















