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An RF/microwave balun (or transformer) is a device that takes an input signal at a given input impedance and outputs the same signal, and an inverted version of that signal, at some output impedance. Our surface mount baluns are an excellent choice for analog to digital converters, digital to analog converters, samplers, balanced receivers, mixers, clock distribution, and general signal integrity applications.

Our BAL series of 1:2 transmission line transformer baluns offer superior amplitude balance, phase balance, and common mode rejection to competing commercially available surface mount transformers. The BALH series are 1:1, higher power, and lower loss. These surface-mount baluns are ROHS compliant.


Electrical Specifications - Specifications guaranteed from -55 to +100°C, measured in a 50Ω system.
Parameter Frequency Range Min Typ Max
Insertion Loss (dB) 500 kHz to 3 GHz   5 6.5
Input 1 dB Compression (dBm)   37  
Nominal Phase Shift (Degrees)   180  
Amplitude Balance (dB)   ±0.2 ±0.8
Phase Balance (Degrees)   ±2 ±8
Common Mode Rejection (dB) 20 35  
Isolation (dB)   7  
VSWR (Input) VSWR (Output)   1.6 1.1  
Risetime /Falltime (ps)1     22  
1Specified as 90%/10%. Calculated from tbalun2= (tout2 – tin2)
Download our 3D models here.
BALH-0003SMG Balun Package Diagram

Model

Stock

Price


ModelPackage
BALH-0003SMGSurface Mount (SM)
EVAL-BALH-0003Connectorized Eval Fixture (EVAL)


Did you know we offer high-performance Adapters, DC Blocks, and Power Limiters?

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