BAL-0026 Marki Microwave | APC Technology Group

BAL-0026

BAL-0026

Marki Microwave

Broadband Isolation Balun (3 MHz - 26.5 GHz)

An RF/microwave balun (or transformer) is a device that takes an input signal at a given impedance and outputs both the same signal and an inverted version of the signal at a (potentially) different output impedance. They are suitable for applications in differential signaling, integrated circuit testing, and general lab and experimental use.

The main figures of merit for a balun are the amplitude (ideally 0 dB across the band) and phase balance (ideally 0 degrees, meaning perfectly 180 degrees out of phase, across the band).

The BAL-0026 is an integrated power divider-inverter balun. This means that it has a Wilkinson power divider on the common port, an inverter before the negative port, and a matched delay line on the positive port. This provides isolation between the differential ports, making these baluns very versatile tools for laboratory use.

Each of these baluns maintains excellent amplitude balance, phase balance, and common mode rejection better than 25 dB across the band.

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More Information
Attribute Value
Key Features
  • 3 MHz to 26.5 GHz Balun (Balanced to Unbalanced Transformer)
  • 1:2 Transformer (50Ω unbalanced, 100Ω differential/50Ω balanced port)
  • Termination insensitive: Particularly suited to testing poorly matched or non 50 Ω devices or for extending 2 port VNAs for differential testing
Phase Balance Degrees 3.0000
Maximum Frequency 26.5 GHz
Isolation (dB) 24
Minimum Frequency 3 MHz
Product Type High Isolation
Insertion Loss (dB) 2.5
Amplitude Balance (dB) 0.5
Common Mode Rejection (dB) 30.0000
RoHS Y
More Information
Attribute Value
Data Sheet Click here to view

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