The Teledyne LeCroy AP034 is a 1 GHz active differential probe engineered for precision measurement of differential signals in high-speed applications. It delivers low noise (< 35 nV/√Hz), exceptional common-mode rejection (10,000:1 DC / 80 dB), and minimal input capacitance (< 0.85 pF differential), making it ideal for disk drive characterization, wireless communications, and data link analysis. The probe features selectable attenuation (1x, 10x, 20x), offset control via front-panel buttons, and autobalance capability. Power is supplied through the ProBus® interface on compatible Teledyne LeCroy oscilloscopes; an optional ADPPS power supply enables use with third-party instruments.
– Technical Specifications
• Bandwidth: DC to 1 GHz
• Input Impedance: 2 MΩ differential, 1 MΩ to ground per input
• Input Capacitance: < 0.85 pF differential; 10,000:1 at 60 Hz
• Noise (RTI): < 35 nV/√Hz (10–1000 MHz)
• DC Accuracy: 1% probe only; 3% warranted (system with LeCroy oscilloscope)
• Attenuation: 1x, 10x, 20x (via plug-on attenuators)
• Differential Mode Ranges: ±400 mV (1x), ±4 V (10x), ±8 V (20x)
• Common-Mode Ranges: ±16 V (1x), ±42 V (10x/20x)
• Offset Ranges: ±1.6 V (1x), ±16 V (10x), ±32 V (20x)
• Cable Length: 1.2 m (42 inches)
– Key Features
• FET-buffered inputs eliminate ground loops in single-ended measurements
• Autobalance and input protection circuitry
• Front-panel offset control
• Optional AC coupling accessory (0.1 mF plug-on module)
• ProBus® power integration—no external supply required with compatible oscilloscopes
– Typical Applications
• Disk drive read-channel analysis
• Differential LAN and video signal acquisition
• RF system measurements (balanced IF mixers, cellular transceivers)
• High-speed digital signal characterization
– Compatibility & Integration
Designed for Teledyne LeCroy LC-series and X-Stream oscilloscopes (software 8.1+). Optional ADPPS power supply extends compatibility to instruments without ProBus interfaces.
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