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The MBAL-0104SM is a GaAs passive MMIC balun in a 4mm QFN surface mount package. It features excellent amplitude and phase balance across its 1 to 4 GHz frequency range that offers a 1:2 impedance ratio. The 4mm QFN package is a lead free, RoHS compliant package compatible with standard leaded and lead-free solder reflows. SMA connectorized evaluation packages are available. The MBAL-0104SM is an excellent choice for balanced amplifiers, clock distribution, and higher order Nyquist sampling in analog to digital converters. 

Electrical Specifications - Specifications guaranteed for +25°C, measured in a 50Ω system.
Parameter Frequency Range Min Typ Max
Nominal Insertion Loss (dB) 1 GHz to 4 GHz

Nominal Phase Shift (Degrees)   180  
Amplitude Balance (dB)   ±0 ±0.5
Phase Balance (Degrees)   ±2 ±5
Common Mode Rejection (dB) 25 33  
Excess Insertion Loss (dB)1-2   2.5 4
Isolation (dB)   8  
Output VSWR   3.6  
Common Port VSWR   1.25  
1Excess Insertion Loss = (Common Port to Output Port Insertion Loss) – 3 dB. 2Includes fixture losses.




MBAL-0104SMSurface Mount (SM)
EVAL-MBAL-0104Connectorized Eval Fixture (EVAL)

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