Picotest
Picotest J2114A High CMRR Isolation Amplifier
Picotest J2114A High CMRR Isolation Amplifier
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Key Features
- >100dB CMRR for superior noise rejection in high-interference environments
- DC–10MHz bandwidth supports high-frequency PDN and stability testing
- Eliminates DC ground loops in oscilloscopes, VNAs, and spectrum analysers
- Precision resistors included (30–125 µΩ) for calibration and setup validation
- USB-powered isolation with ±12V internal DC/DC converter
- Ultra-low-impedance validation critical for AI/ML power integrity testing
- Universal Kelvin probe pads ensure accurate 2-port shunt-through measurements
Overview
The Picotest J2114A High CMRR Isolation Amplifier is a cutting-edge ground loop breaker designed for professional design engineers requiring precise, low-impedance measurements. This solid-state device boasts an exceptional Common Mode Rejection Ratio (CMRR) exceeding 100dB, ensuring unparalleled isolation for sensitive test setups.
Operating from DC to 10MHz, the J2114A eliminates ground loops associated with Vector Network Analysers (VNAs), oscilloscopes, and spectrum analysers. It excels in ultra-low impedance Power Distribution Network (PDN) measurements, component testing, and PSRR analysis.
The J2114A maintains a flat frequency response and 50Ω impedance at both input and output, guaranteeing accurate, low-noise measurements. USB-powered with an internal ±12V isolated DC/DC converter offers a versatile input voltage range of approximately ±10V without attenuating probes or DC blocks.
Designed to withstand demanding environments, the J2114A operates reliably within a 0-50°C temperature range and at altitudes up to 1800m. Its robust construction and comprehensive feature set make it an indispensable tool for any professional electronic design laboratory.