J2113A Semi-Floating Differential Amplifier

Key Features

Eliminates DC ground loop down to 1Hz
Works up to 800MHz (-3dB)
Supports the 2 Port Shunt Thru impedance measurement required for Power Distribution Networks (PDNs)
Works with all types of test equipment to eliminate ground loops, such as Network Analyzers, Oscilloscopes and Spectrum Analyzers
Popular for oscilloscopes - isolate probe grounds - J2113A is optimized for pulse response
Perfect for component measurements
Excellent CMMR performance

What's included

J2113A Semi-Floating Differential Amplifier - Ground Loop Breaker
J2170B High PSRR Power Adapter
1 Year Warranty

Model: J2113A. Category: Picotest Injectors. Tags: Picotest.

Description
Additional Information

The J2113A is a solid-state Semi-Floating Amplifier (SFA), or ground loop isolator, that provides the BEST isolation for low impedance measurements. The J2113A removes the groups loops associated with VNAs and Oscilloscopes which occur in many different types of test setups. The ground loops are often subtle or hidden and can impact the measurement results dramatically if not accounted for. The J2113As frequency response, as shown below, is flat from DC to over 800MHz, all while maintaining 50Ohm impedance at both the input and the output for accurate, low-noise measurements. It allows measurement both lower and higher in frequency than achievable with a Common Mode Transformer. The J2113A supports power distribution network (PDN) measurement, component measurement, PSRR testing and many other applications.

The J2102B paired with the Picotest PDN Cable is the best general solution. The J2113A is a better choice if you need to measure below 3kHz and below a maximum frequency of 500kHz. Due to the limited CMRR, the J2113A is not recommended below 1mOhm. If other cables are used with either solution, there may be significant degradation in measurement accuracy below 1MHz due to poor cable shield resistance and isolation.