2-50 GHz Passive MMIC Chip Scale Package 1:2 Balun: MBAL-0250CSP2

The MBAL-0250CSP2 is a passive monolithic microwave integrated circuit (MMIC) 1:2 balun developed by Marki Microwave, designed to operate across an exceptionally wide frequency range of 2 to 50 GHz.
Utilizing gallium arsenide (GaAs) technology, this device achieves outstanding performance metrics, including a 35 dB common mode rejection and optimal amplitude and phase balance—0.3 dB and 2°, respectively—making it highly suitable for demanding applications such as digital beamforming, higher-order Nyquist sampling, clock distribution, and balanced amplifier interfaces.
Packaged in a compact, lead-free, RoHS-compliant 2.5 x 2.5 mm chip scale package (CSP2), the MBAL-0250CSP2 is compatible with standard pick-and-place assembly processes, facilitating integration into modern electronic systems. The device features a 50Ω common port (unbalanced) and a 100Ω differential balanced output, with both balanced ports DC shorted to ground for robust signal integrity1.
Key electrical specifications include an insertion loss of 5.3 dB (as a mode converter), a minimum common port return loss of 16 dB, output return loss of 9 dB, and port isolation of 7 dB. The device is rated for operation from -55°C to 100°C and is classified as ESD HBM Class 1A, ensuring reliability in a variety of environments. The MBAL-0250CSP2 also comes with an evaluation board option for simplified testing and integration, making it a versatile solution for high-frequency balanced signal applications
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