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J2102A Common Mode Transformer

KEY FEATURES:

  • Greatly attenuates the effects of low frequency ground loops
  • Supports the 2 Port Shunt Thru impedance measurement required for Power Distribution Networks (PDN’s)
  • Maintains 50 Ohm transmission line integrity to approximately 500MHz
  • Works with all types of test equipment to eliminate ground loops, such as Network Analyzers, Oscilloscopes and Spectrum Analyzers

Download the product spec sheet here.

What's included:

J2102A Common Mode Transformer
User manual
1 Year Warranty

Model Description Price Cart
J2102A J2102A Common Mode Transformer $525.00 Add to cart

The simplest and most effective method for eliminating a ground loop is to add a wideband common mode transformer to the measurement, such as the Picotest J2102A Common Mode Transformer. The transformer for a low impedance PDN measurement must have very wide bandwidth, low loss and tight coupling, otherwise, the results will not be accurate over the measured frequency range. It is also important to maintain the 50 Ohm transmission line impedance through this transformer. The J2102A accomplishes this with ease.

New Video on Extended Range 2-Port Shunt Thru Measurement
In this video, Steve Sandler shows how to simplify one of the more complicated impedance measurements. The 2-Port shunt thru measurement is powerful and accurate down to very small impedance. Using the Bode 100 you can measure power distribution network impedance and decoupling capacitors with a very wide dynamic range.
https://www.picotest.com/blog/extended-range-shunt-thru-measurement-with-steve-sandler/

Specifications
Characteristic Rating
Recommended Bandwidth 1Hz-100MHz
Insertion Loss 1Hz-100MHz 0.2dB typical, 0.5dB max
Return Loss 1Hz-100MHz 20dB typical, 10dB min
Maximum Voltage 50V
Temperature Range 0-50C
Maximum Altitude 6000 Ft
Absolute Maximum Voltage < 50VAC and 75VDC

* Performance at -10dBm input level.


*Note: The upper end of the bandwidth is heavily dependent on the interconnect between the Injector and the DUT.

Application notes coming soon!

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