The Tektronix/Picosecond Pulse Labs 5501A is a broadband coaxial DC block engineered for high-frequency signal conditioning where DC isolation is essential. It blocks DC voltage while passing AC signals with minimal distortion, functioning as a high-pass filter across an exceptionally wide bandwidth. The 50 Ω coaxial construction delivers fast transient response and excellent microwave performance, making it suitable for RF and microwave measurement circuits, pulse applications, and sensitive signal pathways.
Technical Specifications
• Frequency Range: 7 kHz to >26 GHz
• Impedance: 50 Ω
• Capacitance: 0.22 µF (tolerance: −50%, +80%)
• DC Voltage Rating: 50 V maximum
• Guaranteed Bandwidth (−3 dB): ≥20 GHz
• Low Frequency −3 dB Cutoff: 7 kHz
• Insertion Loss: <0.5 dB maximum (100 MHz to 2 GHz)
• Risetime: 10 ps
• Group Delay: 155 ps typical
• Operating Temperature Range: −55 °C to +125 °C
• Connectors: SMA jack (female) to SMA plug (male)
• Dimensions: 37.1 mm × 12.7 mm × 12.7 mm
– Key Features
• Blocks DC while preserving AC signal integrity across ultra-broadband spectrum
• Coaxial blocking capacitor architecture minimizes dispersion and phase distortion
• 10 ps risetime supports pulse and transient characterization
• Compact form factor with standard SMA connectors
• Rated to 50 V DC maximum
– Typical Applications
• AC signal extraction in mixed-signal measurement systems
• Pulse generator and oscilloscope coupling networks
• RF and microwave circuit testing
• High-speed transient and fast-edge signal conditioning
• Sensitive detector and amplifier input protection
– Compatibility & Integration
Part of the Picosecond Pulse Labs 5500 Series DC Blocks. SMA-to-SMA interface enables seamless integration into standard 50 Ω test benches and instrumentation chains.
