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BAL-2690D3U: 50/30+j25 balun transformer for 2.45 GHz ISM band

The BAL-2690D3U is a balun designed to transform a single-ended signal to differential signals in Bluetooth applications.

With less than 1.1 dB insertion losses in the 2400 MHz to 2500 MHz bandwidth, it has been customized for the STLC2690 Bluetooth transceiver and specific requirements for the SCC22 parameter at 2f0 (4.88 GHz).

BAL-2690D3U
 
Datasheet
Format: PDF(259 kb) Last Updated: 10/02/2010 Pages: 8
Features
50 Ω nominal input, 30+j25 output differential impedance
Low insertion loss
Low amplitude imbalance
Low phase imbalance
Small footprint: BAL-2690D3U < 1.0 mm˛
 
Benefits
Very low profile (<700 µm)
High RF performances
RF component count and area reduction
 
Applications
Mobile phones
Bluetooth STLC2690
 

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